Harry Grieve
Country
ENG
Birth Year
2001
Gender
M
Title
International Master
FIDE ID
426520
FIDE Rating
2484
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-01-11 | 4NCL 2025-26 | England ENG | 4.4 | Justin Tan | Harry Grieve | 1/2-1/2 | 50 | Open |
| 2 | 2026-01-10 | 4NCL 2025-26 | England ENG | 3.42 | Harry Grieve | Eldar Gasanov | 1/2-1/2 | 85 | Open |
| 3 | 2025-12-03 | 15th London Classic Open | London ENG | 9.18 | Harry Grieve | Sergey And. Korshunov | 1/2-1/2 | 20 | Open |
| 4 | 2025-12-02 | 15th London Classic Open | London ENG | 8.14 | Tarun Kanyamarala | Harry Grieve | 1-0 | 31 | Open |
| 5 | 2025-12-01 | 15th London Classic Open | London ENG | 7.14 | Harry Grieve | Feliks Tulchynskyi | 1/2-1/2 | 53 | Open |
| 6 | 2025-11-30 | 15th London Classic Open | London ENG | 6.14 | Niels Willems | Harry Grieve | 1/2-1/2 | 25 | Open |
| 7 | 2025-11-30 | 15th London Classic Open | London ENG | 5.16 | Harry Grieve | Bhagat Kush | 1-0 | 34 | Open |
| 8 | 2025-11-29 | 15th London Classic Open | London ENG | 4.3 | Daniil Yuffa | Harry Grieve | 1-0 | 54 | Open |
| 9 | 2025-11-28 | 15th London Classic Open | London ENG | 3.18 | Harry Grieve | Rishi Vijayakumar | 1-0 | 23 | Open |
| 10 | 2025-11-28 | 15th London Classic Open | London ENG | 2.2 | Matei-Andrei Coicev | Harry Grieve | 1/2-1/2 | 27 | Open |
| 11 | 2025-11-27 | 15th London Classic Open | London ENG | 1.22 | Harry Grieve | Harry Li | 1-0 | 43 | Open |
| 12 | 2025-11-16 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 5.18 | Harry Grieve | Hilmir Freyr Heimisson | 1-0 | 49 | Open |
| 13 | 2025-11-15 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 4.1 | Aleksandr Domalchuk-Jonasson | Harry Grieve | 1/2-1/2 | 46 | Open |
| 14 | 2025-11-15 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 3.1 | Harry Grieve | Artur Jakubiec | 0-1 | 45 | Open |
| 15 | 2025-11-14 | TCh-ISL Kvika 2025-26 | Reykjavik ISL | 2.18 | Jesper Sondergaard Thybo | Harry Grieve | 1-0 | 37 | Open |
| 16 | 2025-09-18 | XL Open Basque Country | Sestao ESP | 9.4 | Carlos Daniel Albornoz Cabrera | Harry Grieve | 1/2-1/2 | 35 | Open |
| 17 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 9 | Tikhon Popov | Harry Grieve | 1-0 | 20 | Open |
| 18 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 8 | Anuar Tureshbayev | Harry Grieve | 0-1 | 29 | Open |
| 19 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 7 | Harry Grieve | Mykola Korchynskyi | 0-1 | 55 | Open |
| 20 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 6 | Harry Grieve | Adar Tarhan | 0-1 | 18 | Open |
| 21 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 5 | David Kaufman | Harry Grieve | 0-1 | 38 | Open |
| 22 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 4 | Harry Grieve | Alvar Alonso Rosell | 1/2-1/2 | 89 | Open |
| 23 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 3 | Oluka Robert Mcligeyo | Harry Grieve | 0-1 | 34 | Open |
| 24 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 2 | Harry Grieve | Stamatis Kourkoulos-Arditis | 0-1 | 79 | Open |
| 25 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 1 | Adianet Perez Cruz | Harry Grieve | 0-1 | 31 | Open |
| 26 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 11 | Harry Grieve | Koorosh Bahmani | 1-0 | 39 | Open |
| 27 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 10 | Harry Grieve | Sergei Ljukin | 1-0 | 41 | Open |
| 28 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 9 | Dusan Colovic | Harry Grieve | 0-1 | 49 | Open |
| 29 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 8 | Harry Grieve | Garg Aradhya | 0-1 | 46 | Open |
| 30 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 7 | Victor Bologan | Harry Grieve | 1-0 | 46 | Open |
| 31 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 6 | Harry Grieve | Ethan Vaz | 1-0 | 52 | Open |
| 32 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 5 | Rupesh Jaiswal | Harry Grieve | 0-1 | 56 | Open |
| 33 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 4 | Harry Grieve | Erik Golubovic | 1-0 | 37 | Open |
| 34 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 3 | Harry Grieve | Deniz Anakok | 0-1 | 31 | Open |
| 35 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 2 | Cem Kaan Gokerkan | Harry Grieve | 1-0 | 21 | Open |
| 36 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 1 | Laura Vinolas Anglada | Harry Grieve | 0-1 | 29 | Open |
| 37 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 11 | Efren Andres Ramos Espinoza | Harry Grieve | 1-0 | 25 | Open |
| 38 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 10 | Harry Grieve | Frank Buchenau | 0-1 | 36 | Open |
| 39 | 2025-07-20 | Portuguese Top League | Soure POR | 9.15 | Harry Grieve | Jose Miguel Teixeira Margarido | 1/2-1/2 | 86 | Open |
| 40 | 2025-07-19 | Portuguese Top League | Soure POR | 8.7 | Nikita Petrov | Harry Grieve | 1-0 | 34 | Open |
| 41 | 2025-07-18 | Portuguese Top League | Soure POR | 7.7 | Harry Grieve | Eduardo Iturrizaga Bonelli | 1-0 | 34 | Open |
| 42 | 2025-07-18 | Portuguese Top League | Soure POR | 6.3 | Ricardo Pedro Cruz Dias | Harry Grieve | 0-1 | 42 | Open |
| 43 | 2025-07-17 | Portuguese Top League | Soure POR | 5.15 | Harry Grieve | Lelys Stanley Martinez Duany | 1-0 | 54 | Open |
| 44 | 2025-07-16 | Portuguese Top League | Soure POR | 4.11 | Luis Galego | Harry Grieve | 1/2-1/2 | 27 | Open |
| 45 | 2025-07-15 | Portuguese Top League | Soure POR | 3.15 | Harry Grieve | Jose Barria | 1/2-1/2 | 56 | Open |
| 46 | 2025-07-15 | Portuguese Top League | Soure POR | 2.7 | Carlos Daniel Albornoz Cabrera | Harry Grieve | 1/2-1/2 | 54 | Open |
| 47 | 2025-07-14 | Portuguese Top League | Soure POR | 1.19 | Harry Grieve | Jesus Martin Duque | 1/2-1/2 | 50 | Open |
| 48 | 2025-07-06 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 9.3 | Harry Grieve | Marcelo Panelo | 1-0 | 29 | Open |
| 49 | 2025-07-05 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 8.1 | Pedro Ramon Martinez Reyes | Harry Grieve | 1/2-1/2 | 37 | Open |
| 50 | 2025-07-04 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 7.1 | Harry Grieve | Javier B. Campos Moreno | 1-0 | 48 | Open |
| 51 | 2025-07-03 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 6.1 | Viktor Moskalenko | Harry Grieve | 1/2-1/2 | 30 | Open |
| 52 | 2025-07-03 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 5.1 | Harry Grieve | Diego Del Rey | 1/2-1/2 | 32 | Open |
| 53 | 2025-07-02 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 4.1 | Juan Mellado Trivino | Harry Grieve | 0-1 | 50 | Open |
| 54 | 2025-07-01 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 3.1 | Harry Grieve | Ibon Dominguez Exposito | 1-0 | 27 | Open |
| 55 | 2025-07-01 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 2.1 | Ekai Goitia Tejado | Harry Grieve | 0-1 | 21 | Open |
| 56 | 2025-06-30 | Vitoria-Gasteiz Int Open | Vitoria-Gasteiz ESP | 1.1 | Harry Grieve | Aitor Bravo Freire | 1-0 | 45 | Open |
| 57 | 2025-06-01 | Kronborg Chess GM 1 2025 | Helsingor DEN | 9.2 | Dagur Ragnarsson | Harry Grieve | 1/2-1/2 | 46 | Open |
| 58 | 2025-05-31 | Kronborg Chess GM 1 2025 | Helsingor DEN | 8.2 | Harry Grieve | Nikolaos Galopoulos | 1/2-1/2 | 14 | Open |
| 59 | 2025-05-31 | Kronborg Chess GM 1 2025 | Helsingor DEN | 7.2 | Nikolaj Borge | Harry Grieve | 1-0 | 28 | Open |
| 60 | 2025-05-30 | Kronborg Chess GM 1 2025 | Helsingor DEN | 6.2 | Harry Grieve | Tor Fredrik Kaasen | 1/2-1/2 | 29 | Open |
| 61 | 2025-05-30 | Kronborg Chess GM 1 2025 | Helsingor DEN | 5.2 | Ralf Akesson | Harry Grieve | 0-1 | 55 | Open |
| 62 | 2025-05-29 | Kronborg Chess GM 1 2025 | Helsingor DEN | 4.2 | Harry Grieve | Jakob Leon Pajeken | 0-1 | 62 | Open |
| 63 | 2025-05-29 | Kronborg Chess GM 1 2025 | Helsingor DEN | 3.2 | Harry Grieve | Nicolai Kistrup | 1-0 | 44 | Open |
| 64 | 2025-05-28 | Kronborg Chess GM 1 2025 | Helsingor DEN | 2.1 | Vignir Vatnar Stefansson | Harry Grieve | 1-0 | 41 | Open |
| 65 | 2025-05-28 | Kronborg Chess GM 1 2025 | Helsingor DEN | 1.2 | Harry Grieve | Sune Berg Hansen | 1/2-1/2 | 63 | Open |
| 66 | 2025-05-05 | 4NCL 2024-25 | England ENG | 11.17 | Harry Grieve | Matthew J Turner | 1/2-1/2 | 25 | Open |
| 67 | 2025-05-04 | 4NCL 2024-25 | England ENG | 10.25 | Neil Berry | Harry Grieve | 0-1 | 31 | Open |
| 68 | 2025-05-03 | 4NCL 2024-25 | England ENG | 9.27 | Kamila Hryshchenko | Harry Grieve | 0-1 | 37 | Open |
| 69 | 2025-04-24 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 9.1 | Marco Materia | Harry Grieve | 1/2-1/2 | 20 | Open |
| 70 | 2025-04-23 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 8.5 | Harry Grieve | Gildas Goldsztejn | 1/2-1/2 | 59 | Open |
| 71 | 2025-04-22 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 7.2 | Timothe Razafindratsima | Harry Grieve | 0-1 | 52 | Open |
| 72 | 2025-04-22 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 6.5 | Harry Grieve | Jules Moussard | 1/2-1/2 | 65 | Open |
| 73 | 2025-04-21 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 5.1 | Nino Batsiashvili | Harry Grieve | 1-0 | 64 | Open |
| 74 | 2025-04-20 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 4.5 | Harry Grieve | Marius Fromm | 1-0 | 48 | Open |
| 75 | 2025-04-20 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 3.3 | Augustin Droin | Harry Grieve | 1/2-1/2 | 122 | Open |
| 76 | 2025-04-19 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 2.5 | Harry Grieve | Pauline Guichard | 1-0 | 26 | Open |
| 77 | 2025-04-18 | Trophee Dalkia 2025 | Asnieres-sur-Seine FRA | 1.1 | Alexander Motylev | Harry Grieve | 1-0 | 37 | Open |
| 78 | 2025-04-06 | 4NCL 2024-25 | England ENG | 8.23 | Harry Grieve | Frankie Badacsonyi | 1-0 | 83 | Open |
| 79 | 2025-04-05 | 4NCL 2024-25 | England ENG | 7.25 | Peter J Sowray | Harry Grieve | 1/2-1/2 | 49 | Open |
| 80 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 5 | Harry Grieve | Han Schut | 0-1 | 24 | Open |
| 81 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 4 | Vince Gergo Turcsanyi | Harry Grieve | 0-1 | 40 | Open |
| 82 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 3 | Igor L. Vakhlamov | Harry Grieve | 1-0 | 63 | Open |
| 83 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 2 | Harry Grieve | Fernando Diaz | 1-0 | 23 | Open |
| 84 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 1 | Ivan Tisma | Harry Grieve | 1/2-1/2 | 50 | Open |
| 85 | 2025-02-16 | 4NCL 2024-25 | England ENG | 6.15 | Harry Grieve | Jose Camacho Collados | 1-0 | 50 | Open |
| 86 | 2025-02-15 | 4NCL 2024-25 | England ENG | 5.15 | Ioanis Lentzos | Harry Grieve | 0-1 | 21 | Open |
| 87 | 2025-01-26 | 4NCL 2024-25 | England ENG | 4.25 | Harry Grieve | Conor O`Donnell | 1-0 | 25 | Open |
| 88 | 2025-01-25 | 4NCL 2024-25 | England ENG | 3.25 | Chris R Duncan | Harry Grieve | 0-1 | 60 | Open |
| 89 | 2025-01-06 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 8.13 | Harry Grieve | Rebeca Jimenez Fernandez | 1/2-1/2 | 30 | Open |
| 90 | 2025-01-06 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 7.11 | Jaime Rey Martinez | Harry Grieve | 1/2-1/2 | 56 | Open |
| 91 | 2025-01-05 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 6.12 | Harry Grieve | Lucas Fonseca Piccoli | 1/2-1/2 | 41 | Open |
| 92 | 2025-01-04 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 5.1 | Serafin Moral Garcia | Harry Grieve | 1/2-1/2 | 33 | Open |
| 93 | 2025-01-04 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 4.8 | Harry Grieve | Michal Luch | 1/2-1/2 | 45 | Open |
| 94 | 2025-01-03 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 3.18 | Damian Balinski | Harry Grieve | 0-1 | 55 | Open |
| 95 | 2025-01-03 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 2.9 | Harry Grieve | Pedro Gil Ferreira Da Silva | 1/2-1/2 | 62 | Open |
| 96 | 2025-01-02 | 36th Roquetas de Mar Open | Roquetas de Mar ESP | 1.11 | Vlad Ionut Bercaru | Harry Grieve | 0-1 | 52 | Open |
| 97 | 2024-12-13 | Brena Baja Magica GM 2024 | Brena Baja ESP | 9.4 | Benjamin Defromont | Harry Grieve | 1-0 | 52 | Open |
| 98 | 2024-12-12 | Brena Baja Magica GM 2024 | Brena Baja ESP | 8.3 | Harry Grieve | Deniman Mamani Beltran | 1/2-1/2 | 53 | Open |
| 99 | 2024-12-11 | Brena Baja Magica GM 2024 | Brena Baja ESP | 7.3 | Pedro Ramon Martinez Reyes | Harry Grieve | 1/2-1/2 | 35 | Open |
| 100 | 2024-12-10 | Brena Baja Magica GM 2024 | Brena Baja ESP | 6.4 | Harry Grieve | Artem Omelja | 1-0 | 41 | Open |
| 101 | 2024-12-10 | Brena Baja Magica GM 2024 | Brena Baja ESP | 5.2 | Michael Oratovsky | Harry Grieve | 1/2-1/2 | 15 | Open |
| 102 | 2024-12-09 | Brena Baja Magica GM 2024 | Brena Baja ESP | 4.5 | Harry Grieve | Francisco Fiorito | 1-0 | 139 | Open |
| 103 | 2024-12-08 | Brena Baja Magica GM 2024 | Brena Baja ESP | 3.1 | Harry Grieve | Petro Golubka | 1-0 | 23 | Open |
| 104 | 2024-12-08 | Brena Baja Magica GM 2024 | Brena Baja ESP | 2.5 | Jose Antonio Herrera Reyes | Harry Grieve | 1-0 | 0 | Open |
| 105 | 2024-12-07 | Brena Baja Magica GM 2024 | Brena Baja ESP | 1.2 | Harry Grieve | Joaquin Fiorito | 1/2-1/2 | 54 | Open |
| 106 | 2024-11-24 | 4NCL 2024-25 | England ENG | 2.25 | Nicholas Pert | Harry Grieve | 1/2-1/2 | 52 | Open |
| 107 | 2024-11-23 | 4NCL 2024-25 | England ENG | 1.25 | Harry Grieve | Liwia Jarocka | 1-0 | 39 | Open |
| 108 | 2024-11-10 | 35th Leuven Open 2024 | Leuven BEL | 4.2 | Dries Van Malder | Harry Grieve | 1/2-1/2 | 44 | Open |
| 109 | 2024-11-09 | 35th Leuven Open 2024 | Leuven BEL | 3.1 | Harry Grieve | Fabrice Wantiez | 1/2-1/2 | 33 | Open |
| 110 | 2024-11-09 | 35th Leuven Open 2024 | Leuven BEL | 2.1 | Hanne Goossens | Harry Grieve | 0-1 | 46 | Open |
| 111 | 2024-11-08 | 35th Leuven Open 2024 | Leuven BEL | 1.1 | Harry Grieve | Marijn Wester | 1-0 | 33 | Open |
| 112 | 2024-10-26 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 9.5 | Harry Grieve | Bennet Hagner | 1-0 | 37 | Open |
| 113 | 2024-10-25 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 8.1 | Javier B. Campos Moreno | Harry Grieve | 0-1 | 31 | Open |
| 114 | 2024-10-24 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 7.5 | David Larino Nieto | Harry Grieve | 0-1 | 69 | Open |
| 115 | 2024-10-23 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 6.2 | Harry Grieve | Diego Vergara Anton | 0-1 | 69 | Open |
| 116 | 2024-10-22 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 5.4 | Thibault Dudognon | Harry Grieve | 1/2-1/2 | 26 | Open |
| 117 | 2024-10-21 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 4.3 | Harry Grieve | Aleksandr Ostrovskiy | 1/2-1/2 | 39 | Open |
| 118 | 2024-10-20 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 3.3 | Helgi Ass Gretarsson | Harry Grieve | 1/2-1/2 | 14 | Open |
| 119 | 2024-10-19 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 2.4 | Harry Grieve | Jacek Szwed | 1-0 | 64 | Open |
| 120 | 2024-10-18 | III Colonia GM 2024 | Colonia de Sant Jordi ESP | 1.2 | Georg Halvax | Harry Grieve | 1/2-1/2 | 18 | Open |
| 121 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 9 | Maria Teresa Jimenez Salas | Harry Grieve | 0-1 | 42 | Open |
| 122 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 8 | Harry Grieve | Leonardo Tristan | 0-1 | 20 | Open |
| 123 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 7 | Harry Grieve | Yasin Sari | 1-0 | 24 | Open |
| 124 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 6 | Frank Buchenau | Harry Grieve | 0-1 | 43 | Open |
| 125 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 5 | Harry Grieve | Arman Mikaelyan | 0-1 | 71 | Open |
| 126 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 4 | Jose Javier Gonzalez Castillo | Harry Grieve | 0-1 | 26 | Open |
| 127 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 3 | Matvey Galchenko | Harry Grieve | 1-0 | 37 | Open |
| 128 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 2 | Harry Grieve | John Curtis | 1-0 | 41 | Open |
| 129 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 1 | Marko Perestjuk | Harry Grieve | 0-1 | 27 | Open |
| 130 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 11 | Harry Grieve | Arnold Mayeregger | 1-0 | 62 | Open |
| 131 | 2024-10-15 | Titled Tue 15th Oct Late | chess.com INT | 10 | Tanitoluwa Adewumi | Harry Grieve | 1-0 | 49 | Open |
| 132 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 9 | Antonio Lopez Del Alamo | Harry Grieve | 0-1 | 42 | Open |
| 133 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 8 | Dzmitry Kalinin | Harry Grieve | 0-1 | 56 | Open |
| 134 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 7 | Harry Grieve | Tsvetan Stoyanov | 0-1 | 45 | Open |
| 135 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 6 | Alexander Herbrig | Harry Grieve | 0-1 | 63 | Open |
| 136 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 5 | Harry Grieve | Matvey Galchenko | 0-1 | 82 | Open |
| 137 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 4 | Vikram Rajmohan | Harry Grieve | 0-1 | 26 | Open |
| 138 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 3 | Harry Grieve | Juan Camilo Arango Arenas | 1-0 | 42 | Open |
| 139 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 2 | Alireza Firouzja | Harry Grieve | 1-0 | 39 | Open |
| 140 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 1 | Harry Grieve | Michel Samuel Lopez Abreu | 1-0 | 27 | Open |
| 141 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 10 | Harry Grieve | Nikita Shandrygin | 0-1 | 15 | Open |
| 142 | 2024-08-31 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 9.3 | Tom-Frederic Woelk | Harry Grieve | 1/2-1/2 | 30 | Open |
| 143 | 2024-08-30 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 8.6 | Harry Grieve | Willyam Espinoza Palomino | 1-0 | 31 | Open |
| 144 | 2024-08-29 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 7.5 | Aaravamudhan Balaji | Harry Grieve | 1/2-1/2 | 19 | Open |
| 145 | 2024-08-28 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 6.1 | Harry Grieve | Alejandro Uzcategui Rodriguez | 1-0 | 59 | Open |
| 146 | 2024-08-27 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 5.8 | Harry Z Zheng | Harry Grieve | 1/2-1/2 | 58 | Open |
| 147 | 2024-08-26 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 4.4 | Harry Grieve | Mike Ivanov | 0-1 | 43 | Open |
| 148 | 2024-08-25 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 3.2 | Alejandro Hoffman | Harry Grieve | 1/2-1/2 | 34 | Open |
| 149 | 2024-08-25 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 2.5 | Harry Grieve | Kevin Moises Meneses Gonzalez | 1-0 | 41 | Open |
| 150 | 2024-08-24 | 6th San Cristobal Open | San Cristobal de La Laguna ESP | 1.6 | Daniel Chitsazian | Harry Grieve | 0-1 | 39 | Open |
| 151 | 2024-08-16 | TCh-ESP 2nd Div 2024 | Linares ESP | 7.17 | Martin Horcajuelo Rocamora | Harry Grieve | 1-0 | 76 | Open |
| 152 | 2024-08-15 | TCh-ESP 2nd Div 2024 | Linares ESP | 6.2 | Harry Grieve | Miguel Santos Ruiz | 1/2-1/2 | 30 | Open |
| 153 | 2024-08-14 | TCh-ESP 2nd Div 2024 | Linares ESP | 5.12 | Ibragim S. Khamrakulov | Harry Grieve | 0-1 | 47 | Open |
| 154 | 2024-08-13 | TCh-ESP 2nd Div 2024 | Linares ESP | 4.2 | Harry Grieve | Inigo Lopez Mulet | 1-0 | 86 | Open |
| 155 | 2024-08-13 | TCh-ESP 2nd Div 2024 | Linares ESP | 3.22 | Francisco Miguel Callejas Rojas | Harry Grieve | 0-1 | 50 | Open |
| 156 | 2024-08-12 | TCh-ESP 2nd Div 2024 | Linares ESP | 2.22 | Harry Grieve | Nicolas Alba Fernandez | 1-0 | 36 | Open |
| 157 | 2024-08-11 | TCh-ESP 2nd Div 2024 | Linares ESP | 1.22 | Juan Jose Jarque Megias | Harry Grieve | 1-0 | 59 | Open |
| 158 | 2024-08-04 | 110th ch-GBR 2024 | Hull ENG | 9.7 | Maciej Czopor | Harry Grieve | 1-0 | 36 | Open |
| 159 | 2024-08-03 | 110th ch-GBR 2024 | Hull ENG | 8.6 | Harry Grieve | Tarun Kanyamarala | 1/2-1/2 | 101 | Open |
| 160 | 2024-08-02 | 110th ch-GBR 2024 | Hull ENG | 7.7 | Artem Lutsko | Harry Grieve | 1/2-1/2 | 73 | Open |
| 161 | 2024-08-01 | 110th ch-GBR 2024 | Hull ENG | 6.11 | Harry Grieve | John Merriman | 1-0 | 23 | Open |
| 162 | 2024-07-31 | 110th ch-GBR 2024 | Hull ENG | 5.9 | Andrew J Ledger | Harry Grieve | 1/2-1/2 | 36 | Open |
| 163 | 2024-07-30 | 110th ch-GBR 2024 | Hull ENG | 4.8 | David J Eggleston | Harry Grieve | 1/2-1/2 | 35 | Open |
| 164 | 2024-07-29 | 110th ch-GBR 2024 | Hull ENG | 3.16 | Harry Grieve | Jude Shearsby | 1-0 | 63 | Open |
| 165 | 2024-07-28 | 110th ch-GBR 2024 | Hull ENG | 2.8 | Harry Grieve | Alex Golding | 0-1 | 48 | Open |
| 166 | 2024-07-27 | 110th ch-GBR 2024 | Hull ENG | 1.9 | Callum D Brewer | Harry Grieve | 0-1 | 41 | Open |
| 167 | 2024-07-10 | 19th South Wales Int 2024 | Bridgend WLS | 9.2 | Harry Grieve | Aaravamudhan Balaji | 1-0 | 79 | Open |
| 168 | 2024-07-09 | 19th South Wales Int 2024 | Bridgend WLS | 8.4 | Jose Camacho Collados | Harry Grieve | 0-1 | 70 | Open |
| 169 | 2024-07-09 | 19th South Wales Int 2024 | Bridgend WLS | 7.3 | Harry Grieve | Grzegorz Toczek | 1/2-1/2 | 29 | Open |
| 170 | 2024-07-08 | 19th South Wales Int 2024 | Bridgend WLS | 6.1 | Alex Golding | Harry Grieve | 1-0 | 37 | Open |
| 171 | 2024-07-07 | 19th South Wales Int 2024 | Bridgend WLS | 5.1 | Harry Grieve | Boris Chatalbashev | 1/2-1/2 | 17 | Open |
| 172 | 2024-07-07 | 19th South Wales Int 2024 | Bridgend WLS | 4.2 | Maria Florencia Fernandez | Harry Grieve | 0-1 | 61 | Open |
| 173 | 2024-07-06 | 19th South Wales Int 2024 | Bridgend WLS | 3.3 | Harry Grieve | Jacob Connor Boswell | 1-0 | 40 | Open |
| 174 | 2024-07-05 | 19th South Wales Int 2024 | Bridgend WLS | 2.3 | Thomas Brown | Harry Grieve | 0-1 | 21 | Open |
| 175 | 2024-07-05 | 19th South Wales Int 2024 | Bridgend WLS | 1.3 | Harry Grieve | Leo A Keely | 1-0 | 26 | Open |
| 176 | 2024-05-05 | 4NCL 2023-24 | England ENG | 10.5 | Harry Grieve | Mark Josse | 1-0 | 61 | Open |
| 177 | 2024-05-04 | 4NCL 2023-24 | England ENG | 9.3 | Jonah B Willow | Harry Grieve | 1-0 | 34 | Open |
| 178 | 2024-04-21 | Isle of Wight Open 2024 | Ryde ENG | 5.1 | Keith C Arkell | Harry Grieve | 1/2-1/2 | 22 | Open |
| 179 | 2024-04-21 | Isle of Wight Open 2024 | Ryde ENG | 4.1 | Chee Sian Sebastien Chua | Harry Grieve | 0-1 | 41 | Open |
| 180 | 2024-04-20 | Isle of Wight Open 2024 | Ryde ENG | 3.1 | Harry Grieve | Roland Bezuidenhout | 1-0 | 34 | Open |
| 181 | 2024-04-20 | Isle of Wight Open 2024 | Ryde ENG | 2.1 | Jan Murawski | Harry Grieve | 0-1 | 70 | Open |
| 182 | 2024-04-19 | Isle of Wight Open 2024 | Ryde ENG | 1.1 | Harry Grieve | Shambavi Hariharan | 1-0 | 27 | Open |
| 183 | 2024-03-30 | 44th San Sebastian Open | Donostia ESP | 9.5 | Alain Prieto Aranguren | Harry Grieve | 0-1 | 57 | Open |
| 184 | 2024-03-29 | 44th San Sebastian Open | Donostia ESP | 8.9 | Harry Grieve | Alexander Larranaga Juaristi | 1-0 | 22 | Open |
| 185 | 2024-03-28 | 44th San Sebastian Open | Donostia ESP | 7.4 | Alexander Domene Mulyukov | Harry Grieve | 1-0 | 61 | Open |
| 186 | 2024-03-27 | 44th San Sebastian Open | Donostia ESP | 6.2 | Harry Grieve | Oleksii Bilych | 0-1 | 48 | Open |
| 187 | 2024-03-26 | 44th San Sebastian Open | Donostia ESP | 5.3 | Juan David Becerra | Harry Grieve | 0-1 | 23 | Open |
| 188 | 2024-03-25 | 44th San Sebastian Open | Donostia ESP | 4.5 | Harry Grieve | Ibai Sanz Gorospe | 1-0 | 46 | Open |
| 189 | 2024-03-24 | 44th San Sebastian Open | Donostia ESP | 3.1 | Daniel Vara del Bosque | Harry Grieve | 0-1 | 22 | Open |
| 190 | 2024-03-23 | 44th San Sebastian Open | Donostia ESP | 1.4 | Carles Mercadal Franco | Harry Grieve | 1/2-1/2 | 16 | Open |
| 191 | 2024-03-12 | Titled Tue 12th Mar Early | chess.com INT | 3 | Amir Ali Ghafourian | Harry Grieve | 1-0 | 24 | Open |
| 192 | 2024-03-12 | Titled Tue 12th Mar Early | chess.com INT | 2 | Harry Grieve | Lucius Melillo | 1-0 | 40 | Open |
| 193 | 2024-02-11 | 4NCL 2023-24 | England ENG | 6.2 | Harry Grieve | Jose Camacho Collados | 1-0 | 32 | Open |
| 194 | 2024-02-10 | 4NCL 2023-24 | England ENG | 5.5 | Marco Gallana | Harry Grieve | 0-1 | 38 | Open |
| 195 | 2024-02-04 | Basel Carnival Open 2024 | Basel SUI | 5.2 | Deyan Samuil Kostov | Harry Grieve | 1/2-1/2 | 32 | Open |
| 196 | 2024-02-04 | Basel Carnival Open 2024 | Basel SUI | 4.2 | Harry Grieve | Alexandre Dgebuadze | 1/2-1/2 | 9 | Open |
| 197 | 2024-02-03 | Basel Carnival Open 2024 | Basel SUI | 3.3 | Simon Schweizer | Harry Grieve | 0-1 | 43 | Open |
| 198 | 2024-02-03 | Basel Carnival Open 2024 | Basel SUI | 2.3 | Harry Grieve | Stefan Olarte | 1-0 | 29 | Open |
| 199 | 2024-02-02 | Basel Carnival Open 2024 | Basel SUI | 1.3 | Bruno Lachausse | Harry Grieve | 0-1 | 56 | Open |
| 200 | 2024-01-23 | Titled Tue 23rd Jan Early | chess.com INT | 2 | Harry Grieve | Christopher Castellano | 0-1 | 61 | Open |
| 201 | 2024-01-23 | Titled Tue 23rd Jan Early | chess.com INT | 1 | Nikolai Kabanov | Harry Grieve | 0-1 | 29 | Open |
| 202 | 2024-01-14 | 4NCL 2023-24 | England ENG | 4.3 | Harry Grieve | Marcus R Harvey | 1/2-1/2 | 41 | Open |
| 203 | 2024-01-13 | 4NCL 2023-24 | England ENG | 3.5 | Harry Grieve | Samuel Chow | 1/2-1/2 | 47 | Open |
| 204 | 2024-01-02 | Titled Tue 2nd Jan Early | chess.com INT | 2 | Michael Buscar | Harry Grieve | 1-0 | 1 | Open |
| 205 | 2024-01-02 | Titled Tue 2nd Jan Early | chess.com INT | 1 | Harry Grieve | Dimitry Korol | 1/2-1/2 | 45 | Open |
| 206 | 2023-12-09 | Chessengland.com GM A | London ENG | 9.4 | Harry Grieve | Szymon Gumularz | 1/2-1/2 | 27 | Open |
| 207 | 2023-12-08 | Chessengland.com GM A | London ENG | 8.2 | Christopher Noe | Harry Grieve | 1/2-1/2 | 9 | Open |
| 208 | 2023-12-08 | Chessengland.com GM A | London ENG | 7.5 | Harry Grieve | Pawel Teclaf | 1/2-1/2 | 30 | Open |
| 209 | 2023-12-07 | Chessengland.com GM A | London ENG | 6.1 | Joseph Girel | Harry Grieve | 1/2-1/2 | 35 | Open |
| 210 | 2023-12-07 | Chessengland.com GM A | London ENG | 5.5 | Artur Davtyan | Harry Grieve | 1-0 | 38 | Open |
| 211 | 2023-12-06 | Chessengland.com GM A | London ENG | 4.2 | Harry Grieve | Titas Stremavicius | 1/2-1/2 | 12 | Open |
| 212 | 2023-12-06 | Chessengland.com GM A | London ENG | 3.4 | Jonah B Willow | Harry Grieve | 1/2-1/2 | 32 | Open |
| 213 | 2023-12-05 | Chessengland.com GM A | London ENG | 2.3 | Harry Grieve | Matthew J Wadsworth | 1/2-1/2 | 19 | Open |
| 214 | 2023-12-05 | Chessengland.com GM A | London ENG | 1.3 | Rajat Makkar | Harry Grieve | 1/2-1/2 | 34 | Open |
| 215 | 2023-11-12 | 4NCL 2023-24 | England ENG | 2.1 | Harry Grieve | Piotr Bobras | 1-0 | 64 | Open |
| 216 | 2023-11-11 | 4NCL 2023-24 | England ENG | 1.5 | Harry Grieve | William Claridge-Hansen | 1/2-1/2 | 36 | Open |
| 217 | 2023-11-04 | Dutch League 2023-24 | Netherlands NED | 3.6 | Maarten Praet | Harry Grieve | 0-1 | 51 | Open |
| 218 | 2023-10-21 | 47th Guernsey Open 2023 | St James GCI | 7.1 | Harry Grieve | Oliver Stockham | 1-0 | 33 | Open |
| 219 | 2023-10-20 | 47th Guernsey Open 2023 | St James GCI | 6.1 | Keith C Arkell | Harry Grieve | 1/2-1/2 | 10 | Open |
| 220 | 2023-10-19 | 47th Guernsey Open 2023 | St James GCI | 5.1 | Harry Grieve | Daniel W Gormally | 1/2-1/2 | 14 | Open |
| 221 | 2023-10-18 | 47th Guernsey Open 2023 | St James GCI | 4.2 | Guillaume Levesque | Harry Grieve | 0-1 | 23 | Open |
| 222 | 2023-10-17 | 47th Guernsey Open 2023 | St James GCI | 3.1 | Harry Grieve | Kevin J Thurlow | 1-0 | 22 | Open |
| 223 | 2023-10-16 | 47th Guernsey Open 2023 | St James GCI | 2.1 | Fred Hamperl | Harry Grieve | 0-1 | 45 | Open |
| 224 | 2023-10-15 | 47th Guernsey Open 2023 | St James GCI | 1.1 | Harry Grieve | Arita Strade | 1-0 | 41 | Open |
| 225 | 2023-10-01 | 38th ECC Open 2023 | Durres ALB | 1.4 | Haik M. Martirosyan | Harry Grieve | 1-0 | 31 | Open |
| 226 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 4 | Harry Grieve | Jan Marn | 0-1 | 31 | Open |
| 227 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 3 | Sanan Sjugirov | Harry Grieve | 1-0 | 53 | Open |
| 228 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 2 | Harry Grieve | Joa Max Bornholdt | 1-0 | 45 | Open |
| 229 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 1 | Marek Karas | Harry Grieve | 0-1 | 60 | Open |
| 230 | 2023-09-09 | I Open Esphouses 2023 | Guardamar del Segura ESP | 9.2 | Alejandro Arias Igual | Harry Grieve | 1/2-1/2 | 48 | Open |
| 231 | 2023-09-09 | I Open Esphouses 2023 | Guardamar del Segura ESP | 8.1 | Harry Grieve | Vladyslav Larkin | 1/2-1/2 | 38 | Open |
| 232 | 2023-09-08 | I Open Esphouses 2023 | Guardamar del Segura ESP | 7.3 | Harry Grieve | Alfredo Giaccio | 1-0 | 57 | Open |
| 233 | 2023-09-07 | I Open Esphouses 2023 | Guardamar del Segura ESP | 6.6 | Daniel Ibanez Koblash | Harry Grieve | 0-1 | 38 | Open |
| 234 | 2023-09-06 | I Open Esphouses 2023 | Guardamar del Segura ESP | 4.7 | Harry Grieve | Marc Orts Tomas | 1-0 | 32 | Open |
| 235 | 2023-09-05 | I Open Esphouses 2023 | Guardamar del Segura ESP | 2.2 | Harry Grieve | Jaime Lopez Martinez | 0-1 | 24 | Open |
| 236 | 2023-09-04 | I Open Esphouses 2023 | Guardamar del Segura ESP | 1.2 | Jose Antonio Loureda Garcia | Harry Grieve | 0-1 | 32 | Open |
| 237 | 2023-09-02 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 9.1 | Merab Gagunashvili | Harry Grieve | 1/2-1/2 | 14 | Open |
| 238 | 2023-09-01 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 8.2 | Harry Grieve | Alexander Kovchan | 1/2-1/2 | 29 | Open |
| 239 | 2023-08-31 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 7.5 | Kevin Moises Meneses Gonzalez | Harry Grieve | 0-1 | 65 | Open |
| 240 | 2023-08-30 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 6.3 | Harry Grieve | Oleg Korneev | 1/2-1/2 | 51 | Open |
| 241 | 2023-08-29 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 5.2 | Tomas Sosa | Harry Grieve | 1/2-1/2 | 45 | Open |
| 242 | 2023-08-28 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 4.6 | Harry Grieve | Raul Perez Guerra | 1-0 | 28 | Open |
| 243 | 2023-08-27 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 3.6 | Elisabeth Hapala | Harry Grieve | 0-1 | 51 | Open |
| 244 | 2023-08-27 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 2.7 | Harry Grieve | Jorge Fernandez Vazquez | 1-0 | 31 | Open |
| 245 | 2023-08-26 | 5th San Cristobal Open | San Cristobal de La Laguna ESP | 1.7 | Abel Lorenzo Ventura | Harry Grieve | 0-1 | 23 | Open |
| 246 | 2023-08-19 | Ustron Open Masters 2023 | Ustron POL | 9.6 | Witold Klepek | Harry Grieve | 1/2-1/2 | 20 | Open |
| 247 | 2023-08-18 | Ustron Open Masters 2023 | Ustron POL | 8.3 | Harry Grieve | Jan Malek | 0-1 | 53 | Open |
| 248 | 2023-08-17 | Ustron Open Masters 2023 | Ustron POL | 7.1 | Nikola Radovanovic | Harry Grieve | 1-0 | 34 | Open |
| 249 | 2023-08-16 | Ustron Open Masters 2023 | Ustron POL | 6.1 | Harry Grieve | Jonasz Baum | 1/2-1/2 | 28 | Open |
| 250 | 2023-08-15 | Titled Tue 15th Aug Early | chess.com INT | 2 | Harry Grieve | Sultai Chyngyz | 0-1 | 59 | Open |
| 251 | 2023-08-15 | Titled Tue 15th Aug Early | chess.com INT | 1 | Aleksandar Topalov | Harry Grieve | 0-1 | 0 | Open |
| 252 | 2023-08-14 | Ustron Open Masters 2023 | Ustron POL | 5.1 | Bartlomiej Heberla | Harry Grieve | 0-1 | 85 | Open |
| 253 | 2023-08-14 | Ustron Open Masters 2023 | Ustron POL | 4.3 | Harry Grieve | Dawid Niekras | 1-0 | 41 | Open |
| 254 | 2023-08-13 | Ustron Open Masters 2023 | Ustron POL | 3.2 | Harry Grieve | Aleksandr Domalchuk-Jonasson | 1-0 | 65 | Open |
| 255 | 2023-08-12 | Ustron Open Masters 2023 | Ustron POL | 2.9 | Evgeniya Doluhanova | Harry Grieve | 0-1 | 54 | Open |
| 256 | 2023-08-11 | Ustron Open Masters 2023 | Ustron POL | 1.6 | Harry Grieve | Jakub Janeczko | 1/2-1/2 | 56 | Open |
| 257 | 2023-08-08 | Titled Tue 8th Aug Early | chess.com INT | 2 | Harry Grieve | Elena Pershina | 1/2-1/2 | 55 | Open |
| 258 | 2023-08-08 | Titled Tue 8th Aug Early | chess.com INT | 1 | Anatoly Donskov | Harry Grieve | 1-0 | 63 | Open |
| 259 | 2023-07-30 | 109th ch-GBR 2023 | Leicester ENG | 9.3 | Yichen Han | Harry Grieve | 1/2-1/2 | 10 | Open |
| 260 | 2023-07-29 | 109th ch-GBR 2023 | Leicester ENG | 8.2 | Harry Grieve | Daniel Howard Fernandez | 1-0 | 36 | Open |
| 261 | 2023-07-28 | 109th ch-GBR 2023 | Leicester ENG | 7.3 | Harry Grieve | Bao Nghia Dong | 1/2-1/2 | 60 | Open |
| 262 | 2023-07-27 | 109th ch-GBR 2023 | Leicester ENG | 6.4 | William Claridge-Hansen | Harry Grieve | 1/2-1/2 | 60 | Open |
| 263 | 2023-07-26 | 109th ch-GBR 2023 | Leicester ENG | 5.1 | Harry Grieve | Michael Adams | 0-1 | 71 | Open |
| 264 | 2023-07-25 | 109th ch-GBR 2023 | Leicester ENG | 4.3 | Tarun Kanyamarala | Harry Grieve | 0-1 | 65 | Open |
| 265 | 2023-07-24 | 109th ch-GBR 2023 | Leicester ENG | 3.4 | Harry Grieve | Richard A Bates | 1-0 | 67 | Open |
| 266 | 2023-07-23 | 109th ch-GBR 2023 | Leicester ENG | 2.5 | Jack Rudd | Harry Grieve | 1/2-1/2 | 45 | Open |
| 267 | 2023-07-22 | 109th ch-GBR 2023 | Leicester ENG | 1.5 | Harry Grieve | Jacob Connor Boswell | 1-0 | 42 | Open |
| 268 | 2023-07-16 | 4th Valencia Cuna Open | Valencia ESP | 9.6 | Harry Grieve | Viktor Moskalenko | 1/2-1/2 | 46 | Open |
| 269 | 2023-07-15 | 4th Valencia Cuna Open | Valencia ESP | 8.5 | Pablo Lopez Varela | Harry Grieve | 1/2-1/2 | 32 | Open |
| 270 | 2023-07-14 | 4th Valencia Cuna Open | Valencia ESP | 7.2 | Harry Grieve | Hannes Stefansson | 1/2-1/2 | 51 | Open |
| 271 | 2023-07-13 | 4th Valencia Cuna Open | Valencia ESP | 6.6 | Harry Grieve | Antonio Granero Roca | 1-0 | 35 | Open |
| 272 | 2023-07-12 | 4th Valencia Cuna Open | Valencia ESP | 5.1 | Radoslaw Barski | Harry Grieve | 1-0 | 80 | Open |
| 273 | 2023-07-11 | 4th Valencia Cuna Open | Valencia ESP | 4.1 | Harry Grieve | Daniel Sanz Wawer | 1-0 | 76 | Open |
| 274 | 2023-07-10 | 4th Valencia Cuna Open | Valencia ESP | 3.3 | Nahun Gavarrete | Harry Grieve | 0-1 | 36 | Open |
| 275 | 2023-07-09 | 4th Valencia Cuna Open | Valencia ESP | 2.6 | Harry Grieve | Antoni Montalban Galvez | 1-0 | 32 | Open |
| 276 | 2023-07-08 | 4th Valencia Cuna Open | Valencia ESP | 1.7 | Albert Garriga Grau | Harry Grieve | 0-1 | 48 | Open |
| 277 | 2023-05-01 | 4NCL 2022-23 | Daventry ENG | 11.2 | Harry Grieve | Lukasz Cyborowski | 1/2-1/2 | 10 | Open |
| 278 | 2023-04-30 | 4NCL 2022-23 | Daventry ENG | 10.3 | Harry Grieve | Jonathan Pein | 1-0 | 66 | Open |
| 279 | 2023-04-29 | 4NCL 2022-23 | Daventry ENG | 9.3 | Harry Grieve | Keith C Arkell | 1-0 | 46 | Open |
| 280 | 2023-04-08 | 43rd San Sebastian Open | Donostia ESP | 9.8 | Jose Luis Guijarro Galan | Harry Grieve | 0-1 | 30 | Open |
| 281 | 2023-04-07 | 43rd San Sebastian Open | Donostia ESP | 8.6 | Yaniela Forgas Moreno | Harry Grieve | 1/2-1/2 | 76 | Open |
| 282 | 2023-04-06 | 43rd San Sebastian Open | Donostia ESP | 7.3 | Harry Grieve | Oleksii Bilych | 0-1 | 31 | Open |
| 283 | 2023-04-05 | 43rd San Sebastian Open | Donostia ESP | 6.2 | Mishra Swayams | Harry Grieve | 1/2-1/2 | 10 | Open |
| 284 | 2023-04-04 | 43rd San Sebastian Open | Donostia ESP | 5.5 | Harry Grieve | Miguel De La Cruz Revilla | 1-0 | 27 | Open |
| 285 | 2023-04-03 | 43rd San Sebastian Open | Donostia ESP | 4.1 | Titas Stremavicius | Harry Grieve | 1/2-1/2 | 18 | Open |
| 286 | 2023-04-02 | 43rd San Sebastian Open | Donostia ESP | 3.5 | Harry Grieve | Malko Martel Bruniaux | 1-0 | 61 | Open |
| 287 | 2023-04-02 | 43rd San Sebastian Open | Donostia ESP | 2.6 | Tomas Serra Olives | Harry Grieve | 0-1 | 25 | Open |
| 288 | 2023-04-01 | 43rd San Sebastian Open | Donostia ESP | 1.6 | Harry Grieve | Jokin Mendia Rezola | 1-0 | 31 | Open |
| 289 | 2023-03-19 | 4NCL 2022-23 | Daventry ENG | 8.2 | Harry Grieve | Aleksandar Colovic | 1/2-1/2 | 39 | Open |
| 290 | 2023-03-18 | 4NCL 2022-23 | Daventry ENG | 7.1 | Harry Grieve | Neil McDonald | 1/2-1/2 | 32 | Open |
| 291 | 2023-03-10 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 8.116 | Ferenc Jr. Gombocz | Harry Grieve | 1-0 | 23 | Open |
| 292 | 2023-03-09 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 7.115 | Harry Grieve | Andrei Skvortsov | 1/2-1/2 | 43 | Open |
| 293 | 2023-03-08 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 6.122 | Cosmin Parligras | Harry Grieve | 1/2-1/2 | 38 | Open |
| 294 | 2023-03-07 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 5.48 | Harry Grieve | Radoslaw Wojtaszek | 0-1 | 54 | Open |
| 295 | 2023-03-06 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 4.127 | Tal Levitan | Harry Grieve | 0-1 | 63 | Open |
| 296 | 2023-03-05 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 3.117 | Harry Grieve | Vladyslav Garsky | 1/2-1/2 | 59 | Open |
| 297 | 2023-03-04 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 2.21 | Benjamin Gledura | Harry Grieve | 1-0 | 41 | Open |
| 298 | 2023-03-03 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 1.16 | Harry Grieve | Ivica Pantic | 1-0 | 28 | Open |
| 299 | 2023-02-28 | Titled Tue 28th Feb Early | chess.com INT | 3 | Harry Grieve | Stanoje Jovic | 0-1 | 46 | Open |
| 300 | 2023-02-28 | Titled Tue 28th Feb Early | chess.com INT | 2 | Leonid Guerb | Harry Grieve | 0-1 | 31 | Open |
| 301 | 2023-02-28 | Titled Tue 28th Feb Early | chess.com INT | 1 | Harry Grieve | Daria Zaichenko | 0-1 | 51 | Open |
| 302 | 2023-02-19 | Cambridge Int Open 2023 | Cambridge ENG | 9.5 | Harry Grieve | Matthew J Payne | 1-0 | 37 | Open |
| 303 | 2023-02-18 | Cambridge Int Open 2023 | Cambridge ENG | 8.2 | Oleg Korneev | Harry Grieve | 1/2-1/2 | 15 | Open |
| 304 | 2023-02-18 | Cambridge Int Open 2023 | Cambridge ENG | 7.3 | Harry Grieve | Marin Bosiocic | 1-0 | 35 | Open |
| 305 | 2023-02-17 | Cambridge Int Open 2023 | Cambridge ENG | 6.5 | Boris Golubovic | Harry Grieve | 1/2-1/2 | 42 | Open |
| 306 | 2023-02-17 | Cambridge Int Open 2023 | Cambridge ENG | 5.7 | Harry Grieve | Lorenzo Fava | 1-0 | 68 | Open |
| 307 | 2023-02-16 | Cambridge Int Open 2023 | Cambridge ENG | 4.7 | Svyatoslav Bazakutsa | Harry Grieve | 1/2-1/2 | 85 | Open |
| 308 | 2023-02-16 | Cambridge Int Open 2023 | Cambridge ENG | 3.12 | Harry Grieve | Adam Nawalaniec | 1-0 | 33 | Open |
| 309 | 2023-02-15 | Cambridge Int Open 2023 | Cambridge ENG | 2.7 | Victor Daniel Pousada Garcia | Harry Grieve | 1/2-1/2 | 35 | Open |
| 310 | 2023-02-15 | Cambridge Int Open 2023 | Cambridge ENG | 1.8 | Harry Grieve | Erik Golubovic | 1-0 | 49 | Open |
| 311 | 2023-02-12 | 4NCL 2022-23 | Daventry ENG | 6.3 | Daniela Movileanu | Harry Grieve | 0-1 | 33 | Open |
| 312 | 2023-02-11 | 4NCL 2022-23 | Daventry ENG | 5.3 | Harry Grieve | Jack Rudd | 1-0 | 38 | Open |
| 313 | 2023-02-02 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 9.4 | Mikhail Bryakin | Harry Grieve | 1/2-1/2 | 8 | Open |
| 314 | 2023-02-01 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 8.3 | Harry Grieve | Leya Garifullina | 1-0 | 75 | Open |
| 315 | 2023-01-31 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 7.3 | Milos Milosevic | Harry Grieve | 1/2-1/2 | 34 | Open |
| 316 | 2023-01-30 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 6.4 | Harry Grieve | Miaoyi Lu | 1-0 | 50 | Open |
| 317 | 2023-01-29 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 5.2 | Goran M Todorovic | Harry Grieve | 1-0 | 78 | Open |
| 318 | 2023-01-28 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 4.5 | Harry Grieve | Branko Damljanovic | 1-0 | 19 | Open |
| 319 | 2023-01-27 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 3.1 | Harry Grieve | Tor Fredrik Kaasen | 1-0 | 17 | Open |
| 320 | 2023-01-26 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 2.5 | Fy Antenaina Rakotomaharo | Harry Grieve | 1-0 | 18 | Open |
| 321 | 2023-01-25 | RADNICKICHESS GM Jan 2023 | Belgrade SRB | 1.2 | Harry Grieve | Jens Hirneise | 1/2-1/2 | 85 | Open |
| 322 | 2023-01-15 | 4NCL 2022-23 | Daventry ENG | 4.3 | Shreyas Royal | Harry Grieve | 0-1 | 43 | Open |
| 323 | 2023-01-14 | 4NCL 2022-23 | Daventry ENG | 3.3 | Harry Grieve | Daniel GH Gallagher | 1/2-1/2 | 51 | Open |
| 324 | 2023-01-06 | Hastings Masters 2022-23 | Hastings ENG | 10.5 | Mark L Hebden | Harry Grieve | 1-0 | 27 | Open |
| 325 | 2023-01-05 | Hastings Masters 2022-23 | Hastings ENG | 9.6 | Harry Grieve | James Golding | 1-0 | 42 | Open |
| 326 | 2023-01-04 | Hastings Masters 2022-23 | Hastings ENG | 8.8 | Timo Kueppers | Harry Grieve | 0-1 | 37 | Open |
| 327 | 2023-01-03 | Hastings Masters 2022-23 | Hastings ENG | 7.8 | Harry Grieve | Conor E Murphy | 0-1 | 90 | Open |
| 328 | 2023-01-02 | Hastings Masters 2022-23 | Hastings ENG | 6.2 | Harry Grieve | Martin Petrov | 1/2-1/2 | 54 | Open |
| 329 | 2023-01-01 | Hastings Masters 2022-23 | Hastings ENG | 5.3 | Daniel W Gormally | Harry Grieve | 1/2-1/2 | 6 | Open |
| 330 | 2022-12-31 | Hastings Masters 2022-23 | Hastings ENG | 4.4 | Romain Edouard | Harry Grieve | 0-1 | 53 | Open |
| 331 | 2022-12-30 | Hastings Masters 2022-23 | Hastings ENG | 3.6 | Harry Grieve | Andrew J Muir | 1/2-1/2 | 33 | Open |
| 332 | 2022-12-29 | Hastings Masters 2022-23 | Hastings ENG | 2.7 | Paul A Hutchinson | Harry Grieve | 0-1 | 75 | Open |
| 333 | 2022-12-28 | Hastings Masters 2022-23 | Hastings ENG | 1.1 | Harry Grieve | Zaki Harari | 1-0 | 33 | Open |
| 334 | 2022-12-01 | 3rd elllobregat Open 2022 | Sant Boi ESP | 2.12 | Daniil Yuffa | Harry Grieve | 1-0 | 50 | Open |
| 335 | 2022-10-23 | 4NCL 2022-23 | Daventry ENG | 2.3 | Gordon Freeman | Harry Grieve | 0-1 | 35 | Open |
| 336 | 2022-10-22 | 4NCL 2022-23 | Daventry ENG | 1.3 | Harry Grieve | Daniel W Gormally | 1-0 | 34 | Open |
| 337 | 2022-10-16 | 3rd La Nucia Open 2022 | La Nucia ESP | 9.7 | Andres Jesus Guerrero Vargas | Harry Grieve | 0-1 | 38 | Open |
| 338 | 2022-10-15 | 3rd La Nucia Open 2022 | La Nucia ESP | 8.7 | Harry Grieve | Marc Carbonell Sancho | 1-0 | 70 | Open |
| 339 | 2022-10-14 | 3rd La Nucia Open 2022 | La Nucia ESP | 7.1 | Claudio Javier Minzer | Harry Grieve | 1/2-1/2 | 42 | Open |
| 340 | 2022-10-13 | 3rd La Nucia Open 2022 | La Nucia ESP | 6.8 | Harry Grieve | Daniel Garcia Ramos | 1/2-1/2 | 29 | Open |
| 341 | 2022-10-12 | 3rd La Nucia Open 2022 | La Nucia ESP | 5.4 | Aramis Alvarez Pedraza | Harry Grieve | 1-0 | 33 | Open |
| 342 | 2022-10-12 | 3rd La Nucia Open 2022 | La Nucia ESP | 4.6 | Harry Grieve | Roberto Carlos Gomez Ledo | 0-1 | 55 | Open |
| 343 | 2022-10-11 | 3rd La Nucia Open 2022 | La Nucia ESP | 3.3 | Rodrigo Vasquez Schroeder | Harry Grieve | 1/2-1/2 | 42 | Open |
| 344 | 2022-09-14 | Mindsports Masters GM | London ENG | 9.5 | Peter T Roberson | Harry Grieve | 1/2-1/2 | 48 | Open |
| 345 | 2022-09-13 | Mindsports Masters GM | London ENG | 8.2 | Harry Grieve | David Fitzsimons | 1/2-1/2 | 22 | Open |
| 346 | 2022-09-13 | Mindsports Masters GM | London ENG | 7.4 | Alexander Cherniaev | Harry Grieve | 1/2-1/2 | 20 | Open |
| 347 | 2022-09-12 | Mindsports Masters GM | London ENG | 6.3 | Harry Grieve | Shreyas Royal | 1-0 | 40 | Open |
| 348 | 2022-09-12 | Mindsports Masters GM | London ENG | 5.3 | Jonah B Willow | Harry Grieve | 1/2-1/2 | 48 | Open |
| 349 | 2022-09-10 | Mindsports Masters GM | London ENG | 4.4 | Harry Grieve | Jonathan Rowson | 1-0 | 25 | Open |
| 350 | 2022-09-10 | Mindsports Masters GM | London ENG | 3.2 | James Moreby | Harry Grieve | 1/2-1/2 | 25 | Open |
| 351 | 2022-09-09 | Mindsports Masters GM | London ENG | 2.5 | Harry Grieve | Bogdan Lalic | 1/2-1/2 | 16 | Open |
| 352 | 2022-09-09 | Mindsports Masters GM | London ENG | 1.1 | Harry Grieve | Maciej Czopor | 1-0 | 57 | Open |
| 353 | 2022-08-30 | Northumbria GM 2022 | Newcastle ENG | 9.1 | Harry Grieve | Yichen Han | 1/2-1/2 | 71 | Open |
| 354 | 2022-08-30 | Northumbria GM 2022 | Newcastle ENG | 8.5 | Bogdan Lalic | Harry Grieve | 1/2-1/2 | 6 | Open |
| 355 | 2022-08-29 | Northumbria GM 2022 | Newcastle ENG | 7.2 | Harry Grieve | Rajat Makkar | 0-1 | 57 | Open |
| 356 | 2022-08-29 | Northumbria GM 2022 | Newcastle ENG | 6.4 | Andrei Maksimenko | Harry Grieve | 1/2-1/2 | 18 | Open |
| 357 | 2022-08-28 | Northumbria GM 2022 | Newcastle ENG | 5.3 | Harry Grieve | James Moreby | 1/2-1/2 | 14 | Open |
| 358 | 2022-08-28 | Northumbria GM 2022 | Newcastle ENG | 4.3 | Matthew J Wadsworth | Harry Grieve | 1-0 | 68 | Open |
| 359 | 2022-08-27 | Northumbria GM 2022 | Newcastle ENG | 3.4 | Harry Grieve | Mark L Hebden | 0-1 | 43 | Open |
| 360 | 2022-08-27 | Northumbria GM 2022 | Newcastle ENG | 2.2 | Jonah B Willow | Harry Grieve | 0-1 | 54 | Open |
| 361 | 2022-08-26 | Northumbria GM 2022 | Newcastle ENG | 1.5 | Harry Grieve | Tom O`Gorman | 1/2-1/2 | 42 | Open |
| 362 | 2022-08-21 | 108th ch-GBR 2022 | Torquay ENG | 9.1 | Matthew J Wadsworth | Harry Grieve | 0-1 | 75 | Open |
| 363 | 2022-08-20 | 108th ch-GBR 2022 | Torquay ENG | 8.2 | Harry Grieve | David J Eggleston | 1-0 | 77 | Open |
| 364 | 2022-08-19 | 108th ch-GBR 2022 | Torquay ENG | 7.1 | Keith C Arkell | Harry Grieve | 1/2-1/2 | 27 | Open |
| 365 | 2022-08-18 | 108th ch-GBR 2022 | Torquay ENG | 6.3 | Harry Grieve | Daniel W Gormally | 1-0 | 23 | Open |
| 366 | 2022-08-17 | 108th ch-GBR 2022 | Torquay ENG | 5.3 | Nicholas Pert | Harry Grieve | 1/2-1/2 | 41 | Open |
| 367 | 2022-08-16 | 108th ch-GBR 2022 | Torquay ENG | 4.4 | Harry Grieve | Nigel R Davies | 1-0 | 43 | Open |
| 368 | 2022-08-15 | 108th ch-GBR 2022 | Torquay ENG | 3.1 | John M Emms | Harry Grieve | 1/2-1/2 | 43 | Open |
| 369 | 2022-08-14 | 108th ch-GBR 2022 | Torquay ENG | 2.9 | Harry Grieve | Max N Turner | 1-0 | 57 | Open |
| 370 | 2022-08-13 | 108th ch-GBR 2022 | Torquay ENG | 1.16 | Alfie Onslow | Harry Grieve | 0-1 | 73 | Open |
| 371 | 2022-08-02 | Leca Chess Open 2022 | Leca da Palmeira POR | 5.9 | Pandey Srishti | Harry Grieve | 1-0 | 43 | Open |
| 372 | 2022-08-01 | Leca Chess Open 2022 | Leca da Palmeira POR | 4.8 | Harry Grieve | Aditya Verma | 1/2-1/2 | 41 | Open |
| 373 | 2022-07-31 | Leca Chess Open 2022 | Leca da Palmeira POR | 1.13 | Francisco Nunes Vieira Almeida | Harry Grieve | 1/2-1/2 | 50 | Open |
| 374 | 2022-07-30 | 10th Pontevedra Open 2022 | Pontevedra ESP | 9.1 | Harry Grieve | Rodrigo Andias Sarabando | 1-0 | 45 | Open |
| 375 | 2022-07-29 | 10th Pontevedra Open 2022 | Pontevedra ESP | 8.9 | Jose Luis Roque Sola | Harry Grieve | 1/2-1/2 | 30 | Open |
| 376 | 2022-07-28 | 10th Pontevedra Open 2022 | Pontevedra ESP | 7.9 | Harry Grieve | Daniel Contin | 1-0 | 72 | Open |
| 377 | 2022-07-27 | 10th Pontevedra Open 2022 | Pontevedra ESP | 6.7 | Alex Garrido Outon | Harry Grieve | 1-0 | 51 | Open |
| 378 | 2022-07-27 | 10th Pontevedra Open 2022 | Pontevedra ESP | 5.2 | Harry Grieve | Platon Galperin | 0-1 | 72 | Open |
| 379 | 2022-07-26 | 10th Pontevedra Open 2022 | Pontevedra ESP | 4.2 | Shyaam Nikhil P | Harry Grieve | 1/2-1/2 | 56 | Open |
| 380 | 2022-07-25 | 10th Pontevedra Open 2022 | Pontevedra ESP | 3.3 | Harry Grieve | Marius Manolache | 1-0 | 27 | Open |
| 381 | 2022-05-17 | 4NCL Online S5 Div1 Final | lichess.org INT | 2.14 | Dominic Mackle | Harry Grieve | 0-1 | 30 | Open |
| 382 | 2022-05-17 | Titled Tue 17th May Early | chess.com INT | 1 | Harry Grieve | Anton Demchenko | 0-1 | 24 | Open |
| 383 | 2022-05-03 | 4NCL Online S5 Div1 Final | lichess.org INT | 1.12 | Ernest Karumazondo | Harry Grieve | 1/2-1/2 | 59 | Open |
| 384 | 2022-05-02 | 4NCL 2021-22 | England ENG | 9.44 | Harry Grieve | Jovanka Houska | 1-0 | 37 | Open |
| 385 | 2022-05-01 | 4NCL 2021-22 | England ENG | 8.33 | Harry Grieve | Richard G Pert | 1/2-1/2 | 15 | Open |
| 386 | 2022-04-30 | 4NCL 2021-22 | England ENG | 7.34 | Graham Morrison | Harry Grieve | 0-1 | 54 | Open |
| 387 | 2022-04-19 | 4NCL Online S5 Div1 2022 | lichess.org INT | 7.23 | 17801515928150006749 | Harry Grieve | 0-1 | 16 | Open |
| 388 | 2022-04-18 | 64th Southend Easter 2022 | Southend ENG | 7.5 | Harry Grieve | Ashley Stewart | 1-0 | 36 | Open |
| 389 | 2022-04-17 | 64th Southend Easter 2022 | Southend ENG | 6.4 | Michael Dougherty | Harry Grieve | 1/2-1/2 | 26 | Open |
| 390 | 2022-04-17 | 64th Southend Easter 2022 | Southend ENG | 5.3 | Harry Grieve | Andrew Burnett | 1/2-1/2 | 53 | Open |
| 391 | 2022-04-16 | 64th Southend Easter 2022 | Southend ENG | 4.2 | Joakim Nilsson | Harry Grieve | 1/2-1/2 | 29 | Open |
| 392 | 2022-04-16 | 64th Southend Easter 2022 | Southend ENG | 3.6 | Harry Grieve | Alexandros N Ethelontis | 1-0 | 28 | Open |
| 393 | 2022-04-15 | 64th Southend Easter 2022 | Southend ENG | 2.1 | Craig A Young | Harry Grieve | 1/2-1/2 | 39 | Open |
| 394 | 2022-04-15 | 64th Southend Easter 2022 | Southend ENG | 1.1 | Harry Grieve | Nishchal Thatte | 1-0 | 60 | Open |
| 395 | 2022-04-12 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 9.9 | Harry Grieve | Christopher Woojin Yoo | 0-1 | 51 | Open |
| 396 | 2022-04-11 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 8.13 | Li Min Peng | Harry Grieve | 1/2-1/2 | 16 | Open |
| 397 | 2022-04-10 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 7.22 | Harry Grieve | Nicolas Coursaget | 1-0 | 36 | Open |
| 398 | 2022-04-10 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 6.7 | B. Adhiban | Harry Grieve | 1/2-1/2 | 65 | Open |
| 399 | 2022-04-09 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 5.24 | Harry Grieve | Johann Ingvason | 1-0 | 35 | Open |
| 400 | 2022-04-08 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 4.31 | Harry Grieve | Ogmundur Kristinsson | 1-0 | 29 | Open |
| 401 | 2022-04-07 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 3.8 | Raunak Sadhwani | Harry Grieve | 1-0 | 51 | Open |
| 402 | 2022-04-07 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 2.28 | Lucas Foerster-Yialamas | Harry Grieve | 0-1 | 60 | Open |
| 403 | 2022-04-06 | Kvika Reykjavik Open 2022 | Reykjavik ISL | 1.33 | Harry Grieve | Ardin Bosboom | 1/2-1/2 | 56 | Open |
| 404 | 2022-03-27 | 4NCL 2021-22 | England ENG | 6.16 | Harry Grieve | Ravi Haria | 1/2-1/2 | 52 | Open |
| 405 | 2022-03-26 | 4NCL 2021-22 | England ENG | 5.16 | Harry Grieve | Lukasz Cyborowski | 1/2-1/2 | 33 | Open |
| 406 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 9 | Harry Grieve | Tarun Kanyamarala | 1/2-1/2 | 116 | Open |
| 407 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 8 | Harry Grieve | Oleksandr Prokhorov | 1-0 | 16 | Open |
| 408 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 7 | Pawel Kowalczyk | Harry Grieve | 1-0 | 36 | Open |
| 409 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 6 | Jouri Goriatchkin | Harry Grieve | 0-1 | 32 | Open |
| 410 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 5 | Harry Grieve | Leandro Krysa | 0-1 | 48 | Open |
| 411 | 2022-03-22 | 4NCL Online S5 Div1 2022 | lichess.org INT | 5.13 | Harry Grieve | Sam Coates | 1/2-1/2 | 61 | Open |
| 412 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 4 | Harry Grieve | Sultai Chyngyz | 1-0 | 49 | Open |
| 413 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 3 | Aleksandra Maltsevskaya | Harry Grieve | 1-0 | 29 | Open |
| 414 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 2 | Harry Grieve | Jeffrey Quirke | 1-0 | 23 | Open |
| 415 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 1 | Dmytro Danylenko | Harry Grieve | 1-0 | 33 | Open |
| 416 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 11 | Harry Grieve | Alessia-Mihaela Ciolacu | 1-0 | 27 | Open |
| 417 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 10 | Sergey Jary | Harry Grieve | 1/2-1/2 | 62 | Open |
| 418 | 2022-03-12 | 140th Varsity Match 2022 | London ENG | 1.2 | Harry Grieve | Filip Mihov | 1-0 | 34 | Open |
| 419 | 2022-03-08 | 4NCL Online S5 Div1 2022 | lichess.org INT | 4.43 | Mark I Hassall | Harry Grieve | 0-1 | 39 | Open |
| 420 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 8 | Anna Cramling Bellon | Harry Grieve | 1-0 | 36 | Open |
| 421 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 7 | Harry Grieve | Marko Nenezic | 0-1 | 36 | Open |
| 422 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 6 | Harry Grieve | Samant Aditya S | 1-0 | 32 | Open |
| 423 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 5 | Novendra Priasmoro | Harry Grieve | 1-0 | 41 | Open |
| 424 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 4 | Valentina Gunina | Harry Grieve | 0-1 | 84 | Open |
| 425 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 3 | Harry Grieve | Harika Dronavalli | 1-0 | 37 | Open |
| 426 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 2 | Harry Grieve | Darius Viskelis | 1-0 | 43 | Open |
| 427 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 1 | Maksim Chigaev | Harry Grieve | 1-0 | 26 | Open |
| 428 | 2022-02-13 | 4NCL 2021-22 | England ENG | 4.26 | Max French | Harry Grieve | 1/2-1/2 | 60 | Open |
| 429 | 2022-02-12 | 4NCL 2021-22 | England ENG | 3.36 | Harry Grieve | James Cole | 1-0 | 33 | Open |
| 430 | 2022-02-08 | 4NCL Online S5 Div1 2022 | lichess.org INT | 2.34 | Harry Grieve | A Philip Neatherway | 1-0 | 24 | Open |
| 431 | 2022-02-06 | KCF University Cup 2022 | lichess.org INT | 9.137 | Bozidar Kisic | Harry Grieve | 0-1 | 28 | Open |
| 432 | 2022-02-06 | KCF University Cup 2022 | lichess.org INT | 8.121 | Harry Grieve | David Gavrilescu | 1-0 | 26 | Open |
| 433 | 2022-02-06 | KCF University Cup 2022 | lichess.org INT | 7.165 | Felipe Cordeiro da Silva | Harry Grieve | 1/2-1/2 | 32 | Open |
| 434 | 2022-02-06 | KCF University Cup 2022 | lichess.org INT | 6.169 | Harry Grieve | Dylan Sunjic | 1-0 | 35 | Open |
| 435 | 2022-02-05 | KCF University Cup 2022 | lichess.org INT | 5.153 | Siva Mahadevan | Harry Grieve | 1/2-1/2 | 41 | Open |
| 436 | 2022-02-05 | KCF University Cup 2022 | lichess.org INT | 4.153 | Harry Grieve | Sven Winkler | 1-0 | 47 | Open |
| 437 | 2022-02-05 | KCF University Cup 2022 | lichess.org INT | 3.113 | Bartlomiej Macieja | Harry Grieve | 1-0 | 51 | Open |
| 438 | 2022-02-05 | KCF University Cup 2022 | lichess.org INT | 2.185 | Harry Grieve | 6183845550540237061 | 1-0 | 53 | Open |
| 439 | 2022-02-05 | KCF University Cup 2022 | lichess.org INT | 1.185 | 30979269 | Harry Grieve | 0-1 | 49 | Open |
| 440 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 3 | Harry Grieve | Alexandra Makarenko | 0-1 | 38 | Open |
| 441 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 2 | Cherry Ann Mejia | Harry Grieve | 1-0 | 37 | Open |
| 442 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 1 | Harry Grieve | M. Amin Tabatabaei | 0-1 | 31 | Open |
| 443 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 2 | Alexander Rustemov | Harry Grieve | 1-0 | 55 | Open |
| 444 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 1 | Barthelemy Bongo Akanga Ndjila | Harry Grieve | 0-1 | 37 | Open |
| 445 | 2022-01-25 | 4NCL Online S5 Div1 2022 | lichess.org INT | 1.32 | Madara Orlovska | Harry Grieve | 0-1 | 36 | Open |
| 446 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 4 | Khvicha Supatashvili | Harry Grieve | 1-0 | 24 | Open |
| 447 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 3 | Harry Grieve | Oleg Krivonosov | 1/2-1/2 | 46 | Open |
| 448 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 2 | Harry Grieve | Bojan Maksimovic | 1/2-1/2 | 122 | Open |
| 449 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 1 | Marya Kiseljova | Harry Grieve | 0-1 | 41 | Open |
| 450 | 2022-01-09 | 33rd Roquetas de Mar Open | Roquetas de Mar ESP | 9.3 | Anthony Petkidis | Harry Grieve | 0-1 | 36 | Open |
| 451 | 2022-01-08 | 33rd Roquetas de Mar Open | Roquetas de Mar ESP | 8.3 | Harry Grieve | Daniel Dardha | 1/2-1/2 | 66 | Open |
| 452 | 2022-01-08 | 33rd Roquetas de Mar Open | Roquetas de Mar ESP | 7.1 | Daniel Garcia Ramos | Harry Grieve | 0-1 | 54 | Open |
| 453 | 2022-01-07 | 33rd Roquetas de Mar Open | Roquetas de Mar ESP | 6.11 | Harry Grieve | Karthik Venkataraman | 1-0 | 53 | Open |
| 454 | 2022-01-06 | 33rd Roquetas de Mar Open | Roquetas de Mar ESP | 5.1 | Diego Rafael Di Berardino | Harry Grieve | 1/2-1/2 | 49 | Open |
| 455 | 2022-01-05 | 33rd Roquetas de Mar Open | Roquetas de Mar ESP | 2.3 | Harry Grieve | Alexandr Fier | 0-1 | 65 | Open |
| 456 | 2021-12-14 | 4NCL Online S4 Div1 Final | lichess.org INT | 2.14 | Oskar Anton Hackner | Harry Grieve | 1-0 | 41 | Open |
| 457 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 1 | Harry Grieve | Renate Vidruska | 1/2-1/2 | 47 | Open |
| 458 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 1 | Khishigbaatar Bayasgalan | Harry Grieve | 1-0 | 49 | Open |
| 459 | 2021-11-30 | 4NCL Online S4 Div1 Final | lichess.org INT | 1.13 | Harry Grieve | Tim P Wall | 0-1 | 34 | Open |
| 460 | 2021-11-28 | 4NCL 2021-22 | England ENG | 2.36 | Andrew McClement | Harry Grieve | 0-1 | 35 | Open |
| 461 | 2021-11-27 | 4NCL 2021-22 | England ENG | 1.36 | Harry Grieve | Graham E Borrowdale | 1-0 | 28 | Open |
| 462 | 2021-11-16 | 4NCL Online S4 Div1 2021 | lichess.org INT | 7.82 | Harry Grieve | Alan Agnew | 1-0 | 24 | Open |
| 463 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 3 | Egor Bogdanov | Harry Grieve | 1-0 | 54 | Open |
| 464 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 2 | Marcus R Harvey | Harry Grieve | 0-1 | 46 | Open |
| 465 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 1 | Harry Grieve | Franck Steenbekkers | 1-0 | 26 | Open |
| 466 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 3 | Hrvoje Fajdetic | Harry Grieve | 1-0 | 43 | Open |
| 467 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 2 | Harry Grieve | Dennis Wagner | 0-1 | 29 | Open |
| 468 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 1 | Mariam Avetisyan | Harry Grieve | 0-1 | 17 | Open |
| 469 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 8 | Josefine Safarli | Harry Grieve | 1-0 | 39 | Open |
| 470 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 7 | Harry Grieve | Michele Sagripanti | 0-1 | 39 | Open |
| 471 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 6 | Galina Novikova | Harry Grieve | 0-1 | 29 | Open |
| 472 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 5 | Harry Grieve | P.D.S. Girinath | 0-1 | 27 | Open |
| 473 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 4 | Eric Hansen | Harry Grieve | 1-0 | 38 | Open |
| 474 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 3 | Harry Grieve | Sargis Sargissyan | 1-0 | 38 | Open |
| 475 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 2 | Aleksey Sorokin | Harry Grieve | 1-0 | 33 | Open |
| 476 | 2021-11-02 | Titled Tuesday 2nd Nov | chess.com INT | 1 | Harry Grieve | Jeffrey Quirke | 1-0 | 38 | Open |
| 477 | 2021-10-23 | 139th Varsity Match 2021 | London ENG | 1.1 | Tom O`Gorman | Harry Grieve | 1-0 | 33 | Open |
| 478 | 2021-10-19 | 4NCL Online S4 Div1 2021 | lichess.org INT | 5.73 | Mark Cleary | Harry Grieve | 0-1 | 23 | Open |
| 479 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 8 | Tanitoluwa Adewumi | Harry Grieve | 1-0 | 82 | Open |
| 480 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 7 | Harry Grieve | L M S T De Silva | 0-1 | 43 | Open |
| 481 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 6 | Harry Grieve | Vasily Volovich | 0-1 | 41 | Open |
| 482 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 5 | Aslan Aitbayev | Harry Grieve | 0-1 | 69 | Open |
| 483 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 4 | Harry Grieve | Pranav Senthilkumar | 1-0 | 47 | Open |
| 484 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 3 | Roman Kezin | Harry Grieve | 1-0 | 31 | Open |
| 485 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 2 | Harry Grieve | Eric Hansen | 0-1 | 56 | Open |
| 486 | 2021-10-16 | Speed Chess Super Swiss | chess.com INT | 1 | Erigaisi Arjun | Harry Grieve | 0-1 | 75 | Open |
| 487 | 2021-10-12 | Titled Tuesday 12th Oct | chess.com INT | 4 | Harry Grieve | Sergei Zhigalko | 0-1 | 31 | Open |
| 488 | 2021-10-12 | Titled Tuesday 12th Oct | chess.com INT | 3 | Matei-Valeriu Mogirzan | Harry Grieve | 0-1 | 48 | Open |
| 489 | 2021-10-12 | Titled Tuesday 12th Oct | chess.com INT | 2 | Harry Grieve | Anton Demchenko | 0-1 | 42 | Open |
| 490 | 2021-10-12 | Titled Tuesday 12th Oct | chess.com INT | 1 | Harry Grieve | Paulina Cagara | 1-0 | 50 | Open |
| 491 | 2021-10-05 | 4NCL Online S4 Div1 2021 | lichess.org INT | 4.73 | Harry Grieve | Andrew M Stone | 1-0 | 35 | Open |
| 492 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 3 | Harry Grieve | Alejandro Garcia Garcia | 0-1 | 62 | Open |
| 493 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 2 | Grigoriy Oparin | Harry Grieve | 1-0 | 40 | Open |
| 494 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 1 | Harry Grieve | Zoey Tang | 1-0 | 32 | Open |
| 495 | 2021-09-23 | Vezerkepzo IM Sept 2021 | Budapest HUN | 9.3 | Zoltan Nemeth | Harry Grieve | 1/2-1/2 | 15 | Open |
| 496 | 2021-09-22 | Vezerkepzo IM Sept 2021 | Budapest HUN | 8.4 | Harry Grieve | Attila Czebe | 1/2-1/2 | 35 | Open |
| 497 | 2021-09-21 | Vezerkepzo IM Sept 2021 | Budapest HUN | 7.2 | Gabor Farkas | Harry Grieve | 0-1 | 35 | Open |
| 498 | 2021-09-20 | Vezerkepzo IM Sept 2021 | Budapest HUN | 6.5 | Harry Grieve | Aayush Bhattacherjee | 1-0 | 28 | Open |
| 499 | 2021-09-19 | Vezerkepzo IM Sept 2021 | Budapest HUN | 5.1 | Harry Grieve | Tibor Bodi | 1-0 | 33 | Open |
| 500 | 2021-09-17 | Vezerkepzo IM Sept 2021 | Budapest HUN | 4.5 | Miklos Nemeth | Harry Grieve | 1/2-1/2 | 22 | Open |
| 501 | 2021-09-17 | Vezerkepzo IM Sept 2021 | Budapest HUN | 3.2 | Harry Grieve | Mayank Chakraborty | 0-1 | 25 | Open |
| 502 | 2021-09-16 | Vezerkepzo IM Sept 2021 | Budapest HUN | 2.4 | Bommini Mounika Akshaya | Harry Grieve | 1/2-1/2 | 73 | Open |
| 503 | 2021-09-15 | Vezerkepzo IM Sept 2021 | Budapest HUN | 1.3 | Harry Grieve | Inani Darpan | 1-0 | 17 | Open |
| 504 | 2021-09-07 | Titled Tuesday 7th Sept | chess.com INT | 3 | Barnabas Kovacsy | Harry Grieve | 0-1 | 20 | Open |
| 505 | 2021-09-07 | Titled Tuesday 7th Sept | chess.com INT | 2 | Harry Grieve | Sanan Sjugirov | 0-1 | 41 | Open |
| 506 | 2021-09-07 | 4NCL Online S4 Div1 2021 | lichess.org INT | 2.83 | Harry Grieve | Aron Saunders | 1/2-1/2 | 47 | Open |
| 507 | 2021-09-07 | Titled Tuesday 7th Sept | chess.com INT | 1 | Harry Grieve | Marianna Grineva | 1-0 | 51 | Open |
| 508 | 2021-08-30 | Northumbria Masters IM | Newcastle ENG | 9.5 | Iain Gourlay | Harry Grieve | 1/2-1/2 | 43 | Open |
| 509 | 2021-08-30 | Northumbria Masters IM | Newcastle ENG | 8.2 | Harry Grieve | Peter G Large | 1-0 | 69 | Open |
| 510 | 2021-08-29 | Northumbria Masters IM | Newcastle ENG | 7.4 | Roderick M McKay | Harry Grieve | 1-0 | 37 | Open |
| 511 | 2021-08-29 | Northumbria Masters IM | Newcastle ENG | 6.3 | Harry Grieve | William Claridge-Hansen | 1/2-1/2 | 51 | Open |
| 512 | 2021-08-28 | Northumbria Masters IM | Newcastle ENG | 5.3 | Zala Urh | Harry Grieve | 1-0 | 54 | Open |
| 513 | 2021-08-28 | Northumbria Masters IM | Newcastle ENG | 4.4 | Harry Grieve | Andrew J Muir | 1-0 | 47 | Open |
| 514 | 2021-08-27 | Northumbria Masters IM | Newcastle ENG | 3.2 | Yichen Han | Harry Grieve | 0-1 | 35 | Open |
| 515 | 2021-08-27 | Northumbria Masters IM | Newcastle ENG | 2.5 | Harry Grieve | Jonah B Willow | 0-1 | 57 | Open |
| 516 | 2021-08-26 | Northumbria Masters IM | Newcastle ENG | 1.1 | Harry Grieve | James Moreby | 0-1 | 39 | Open |
| 517 | 2021-08-24 | 4NCL Online S4 Div1 2021 | lichess.org INT | 1.53 | Harry Grieve | James P Rothwell | 1-0 | 70 | Open |
| 518 | 2021-08-13 | Muswell Hill IM 2021 | London ENG | 9.2 | Harry Grieve | Matthew J Wadsworth | 1-0 | 46 | Open |
| 519 | 2021-08-13 | Muswell Hill IM 2021 | London ENG | 8.4 | Thomas Villiers | Harry Grieve | 0-1 | 26 | Open |
| 520 | 2021-08-12 | Muswell Hill IM 2021 | London ENG | 7.3 | Harry Grieve | Jonathan L B Blackburn | 1-0 | 58 | Open |
| 521 | 2021-08-12 | Muswell Hill IM 2021 | London ENG | 6.3 | Laurence E Webb | Harry Grieve | 1-0 | 52 | Open |
| 522 | 2021-08-11 | Muswell Hill IM 2021 | London ENG | 5.4 | Harry Grieve | Alexander Cherniaev | 1/2-1/2 | 42 | Open |
| 523 | 2021-08-10 | Muswell Hill IM 2021 | London ENG | 4.2 | Aaravamudhan Balaji | Harry Grieve | 1/2-1/2 | 60 | Open |
| 524 | 2021-08-10 | Muswell Hill IM 2021 | London ENG | 3.5 | Harry Grieve | Gavin Wall | 1-0 | 42 | Open |
| 525 | 2021-08-09 | Muswell Hill IM 2021 | London ENG | 2.1 | Conor E Murphy | Harry Grieve | 1/2-1/2 | 47 | Open |
| 526 | 2021-08-09 | Muswell Hill IM 2021 | London ENG | 1.5 | Maciej Czopor | Harry Grieve | 1-0 | 60 | Open |
| 527 | 2021-08-01 | ch-GBR Online 2021 | chess.com INT | 3 | Harry Grieve | Theo Khoury | 1-0 | 49 | Open |
| 528 | 2021-07-31 | ch-GBR Online 2021 | chess.com INT | 2 | Michael Adams | Harry Grieve | 1-0 | 34 | Open |
| 529 | 2021-07-30 | ch-GBR Online 2021 | chess.com INT | 1 | Harry Grieve | Shlok Verma | 1-0 | 43 | Open |
| 530 | 2021-07-14 | 14th Paracin Summer Open | Paracin SRB | 7.2 | Mohammad Nubairshah Shaikh | Harry Grieve | 1-0 | 27 | Open |
| 531 | 2021-07-13 | 14th Paracin Summer Open | Paracin SRB | 6.16 | Harry Grieve | Gleb Dudin | 1/2-1/2 | 51 | Open |
| 532 | 2021-07-12 | 14th Paracin Summer Open | Paracin SRB | 4.1 | Raven Sturt | Harry Grieve | 1-0 | 46 | Open |
| 533 | 2021-07-06 | Serbia Chess Open 2021 | Belgrade SRB | 6.79 | Harry Grieve | Valentin Mitev | 0-1 | 46 | Open |
| 534 | 2021-07-05 | Serbia Chess Open 2021 | Belgrade SRB | 5.79 | Anton Zhukov | Harry Grieve | 1/2-1/2 | 36 | Open |
| 535 | 2021-07-04 | Serbia Chess Open 2021 | Belgrade SRB | 4.95 | Harry Grieve | Deyan Samuil Kostov | 1-0 | 61 | Open |
| 536 | 2021-07-03 | Serbia Chess Open 2021 | Belgrade SRB | 3.89 | Alua Nurman | Harry Grieve | 1-0 | 47 | Open |
| 537 | 2021-07-03 | Serbia Chess Open 2021 | Belgrade SRB | 2.29 | Harry Grieve | Boban Bogosavljevic | 0-1 | 37 | Open |
| 538 | 2021-07-02 | Serbia Chess Open 2021 | Belgrade SRB | 1.122 | Artem Tyurin | Harry Grieve | 0-1 | 49 | Open |
| 539 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 9 | Harry Grieve | Zachary Tanenbaum | 1-0 | 72 | Open |
| 540 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 8 | Alexey Jarovinsky | Harry Grieve | 0-1 | 34 | Open |
| 541 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 7 | Andrew Hong | Harry Grieve | 1-0 | 40 | Open |
| 542 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 6 | Harry Grieve | Konstantin Borsuk | 1-0 | 65 | Open |
| 543 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 5 | Harry Grieve | Iljya Grigorjev | 1-0 | 88 | Open |
| 544 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 4 | Khanya Mazibuko | Harry Grieve | 0-1 | 31 | Open |
| 545 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 3 | Justin Sarkar | Harry Grieve | 0-1 | 28 | Open |
| 546 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 2 | Harry Grieve | Steven Zierk | 0-1 | 39 | Open |
| 547 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 1 | Harry Grieve | Olexandr Bortnyk | 1/2-1/2 | 92 | Open |
| 548 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 11 | Novendra Priasmoro | Harry Grieve | 1/2-1/2 | 58 | Open |
| 549 | 2021-06-08 | Titled Tuesday 8th June | chess.com INT | 10 | Arsen Kukhmazov | Harry Grieve | 0-1 | 30 | Open |
| 550 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 9 | Harry Grieve | Alexander Gelman | 1-0 | 71 | Open |
| 551 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 8 | Artem Sadovsky | Harry Grieve | 1-0 | 20 | Open |
| 552 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 6 | Miroslav Simonovic | Harry Grieve | 0-1 | 73 | Open |
| 553 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 4 | Felix Blohberger | Harry Grieve | 1-0 | 27 | Open |
| 554 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 2 | Aziz Mert Erdogdu | Harry Grieve | 1-0 | 35 | Open |
| 555 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 1 | Harry Grieve | Alexandru-Mircea Butolo | 1-0 | 29 | Open |
| 556 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 11 | Anton Isajevsky | Harry Grieve | 0-1 | 29 | Open |
| 557 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 10 | Harry Grieve | Enrique Tejedor Fuente | 0-1 | 92 | Open |
| 558 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 4 | George Stoleriu | Harry Grieve | 1-0 | 68 | Open |
| 559 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 3 | Yulia Pischal | Harry Grieve | 0-1 | 41 | Open |
| 560 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 2 | Harry Grieve | Raphael Mayaud | 1-0 | 39 | Open |
| 561 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 1 | Medet Dzhaparov | Harry Grieve | 1-0 | 24 | Open |
| 562 | 2021-05-18 | 4NCL Online S3 Div1 Final | lichess.org INT | 2.14 | Harry Grieve | Thomas E Rendle | 1/2-1/2 | 60 | Open |
| 563 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 1 | Gisela Roque Sola | Harry Grieve | 0-1 | 36 | Open |
| 564 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 8 | Harry Grieve | Jason P Morefield | 0-1 | 64 | Open |
| 565 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 7 | Luis Enrique Valle Maytin | Harry Grieve | 0-1 | 23 | Open |
| 566 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 6 | Harry Grieve | Jan Vykouk | 0-1 | 39 | Open |
| 567 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 5 | Altay Eynullayev | Harry Grieve | 0-1 | 39 | Open |
| 568 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 4 | Harry Grieve | Zachary Tanenbaum | 0-1 | 34 | Open |
| 569 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 2 | Pouya Idani | Harry Grieve | 1-0 | 54 | Open |
| 570 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 1 | Harry Grieve | Jose Augusto Correa | 1-0 | 37 | Open |
| 571 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 10 | Konstantin Loy | Harry Grieve | 0-1 | 41 | Open |
| 572 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ward Al-Tarboush | Harry Grieve | 0-1 | 29 | Open |
| 573 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Emese Medvegyne Balogh | Harry Grieve | 0-1 | 55 | Open |
| 574 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Cem Kaan Gokerkan | Harry Grieve | 0-1 | 43 | Open |
| 575 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Necmettin Korkmaz | Harry Grieve | 0-1 | 29 | Open |
| 576 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Christian, Dr. Seel | Harry Grieve | 1-0 | 23 | Open |
| 577 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Ranindu Dilshan Liyanage | 1-0 | 26 | Open |
| 578 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Prince Daniel Mulenga | 0-1 | 41 | Open |
| 579 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Aziz Mert Erdogdu | 1/2-1/2 | 49 | Open |
| 580 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Kivanc Haznedaroglu | 0-1 | 36 | Open |
| 581 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Harikrishnan.A.Ra | 1-0 | 14 | Open |
| 582 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Alexander Rustemov | 1-0 | 39 | Open |
| 583 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Alejandro A. Riline Orso | 0-1 | 62 | Open |
| 584 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Vantika Agrawal | 1-0 | 33 | Open |
| 585 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Oleksandr Shymanskyi | 0-1 | 45 | Open |
| 586 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Vitaliy Bernadskiy | 1-0 | 50 | Open |
| 587 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Samvel Ter-Sahakyan | 1-0 | 59 | Open |
| 588 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Harry Grieve | Dawid Janaszak | 1-0 | 39 | Open |
| 589 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Konstantin Bazarov | Harry Grieve | 1-0 | 25 | Open |
| 590 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Fabian Ernesto Vivas Zamora | Harry Grieve | 0-1 | 44 | Open |
| 591 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Gianmarco Leiva | Harry Grieve | 0-1 | 95 | Open |
| 592 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Praggnanandhaa R | Harry Grieve | 1-0 | 40 | Open |
| 593 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Valery Skatchkov | Harry Grieve | 0-1 | 31 | Open |
| 594 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Kamran Shirazi | Harry Grieve | 1-0 | 61 | Open |
| 595 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Oleksandr Shymanskyi | Harry Grieve | 1-0 | 49 | Open |
| 596 | 2021-05-04 | Titled Tuesday 4th May | chess.com INT | 2 | Tim Kett | Harry Grieve | 1-0 | 23 | Open |
| 597 | 2021-05-04 | 4NCL Online S3 Div1 Final | lichess.org INT | 1.14 | Harry Grieve | Kamil Plichta | 1/2-1/2 | 84 | Open |
| 598 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 9 | Piotr Mickiewicz | Harry Grieve | 0-1 | 36 | Open |
| 599 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 8 | Aziz Mert Erdogdu | Harry Grieve | 1-0 | 39 | Open |
| 600 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 7 | Harry Grieve | David Paravyan | 0-1 | 25 | Open |
| 601 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 6 | Luca Jr Moroni | Harry Grieve | 0-1 | 20 | Open |
| 602 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 5 | Cem Kaan Gokerkan | Harry Grieve | 1/2-1/2 | 67 | Open |
| 603 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 4 | Harry Grieve | Omer Faruk Ozer | 1-0 | 51 | Open |
| 604 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 3 | Bagyashree Sathe Thipsay | Harry Grieve | 0-1 | 55 | Open |
| 605 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 2 | Harry Grieve | Marco Riehle | 0-1 | 34 | Open |
| 606 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 1 | Harry Grieve | Alvaro Donatti | 1-0 | 24 | Open |
| 607 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 11 | Stamatis Kourkoulos-Arditis | Harry Grieve | 1-0 | 36 | Open |
| 608 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 10 | Harry Grieve | Srihari L R | 1-0 | 50 | Open |
| 609 | 2021-04-20 | 4NCL Online S3 Div1 2021 | lichess.org INT | 7.34 | Colm OShea | Harry Grieve | 0-1 | 39 | Open |
| 610 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 5 | Harry Grieve | Leandro Krysa | 0-1 | 33 | Open |
| 611 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 3 | Harry Grieve | Mihnea Costachi | 0-1 | 56 | Open |
| 612 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 2 | Leonid Starozhilov | Harry Grieve | 1/2-1/2 | 70 | Open |
| 613 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 1 | Ronaldo Alonso Moreira | Harry Grieve | 0-1 | 36 | Open |
| 614 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 8 | Harry Grieve | Arman Siffert | 0-1 | 62 | Open |
| 615 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 7 | Elise Tomasi | Harry Grieve | 1-0 | 27 | Open |
| 616 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 6 | Harry Grieve | Baadur Jobava | 0-1 | 55 | Open |
| 617 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 5 | Christian Hamon | Harry Grieve | 0-1 | 23 | Open |
| 618 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 4 | Harry Grieve | Julien Bertrand | 1-0 | 46 | Open |
| 619 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 3 | Rauf Mamedov | Harry Grieve | 1-0 | 37 | Open |
| 620 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 2 | Harry Grieve | Arcadio Guzman Mellado | 1-0 | 21 | Open |
| 621 | 2021-04-10 | C'Chartres Apr Blitz Open | Europe-Echecs INT | 1 | Johan Fondrat | Harry Grieve | 0-1 | 48 | Open |
| 622 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 9 | Harry Grieve | Magomed Zulfugarli | 0-1 | 21 | Open |
| 623 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 8 | Konstantin Borsuk | Harry Grieve | 1-0 | 48 | Open |
| 624 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 7 | Harry Grieve | Nathan Solon | 1-0 | 47 | Open |
| 625 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 6 | Levente Vajda | Harry Grieve | 0-1 | 32 | Open |
| 626 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 5 | Harry Grieve | Poompong Wiwatanadate | 1-0 | 54 | Open |
| 627 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 4 | Pawel Kowalczyk | Harry Grieve | 1-0 | 32 | Open |
| 628 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 3 | Harry Grieve | Gevorg Harutjunyan | 0-1 | 30 | Open |
| 629 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 2 | Leandro Krysa | Harry Grieve | 0-1 | 68 | Open |
| 630 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 10 | Harry Grieve | Piotr Piesik | 1-0 | 53 | Open |
| 631 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 9 | Wellington S. Albuquerque Junior | Harry Grieve | 0-1 | 39 | Open |
| 632 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 8 | Harry Grieve | Malak Ismayil | 1-0 | 32 | Open |
| 633 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 7 | Tea Gueci | Harry Grieve | 0-1 | 51 | Open |
| 634 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 6 | Harry Grieve | Sharvesh Deviprasath | 0-1 | 32 | Open |
| 635 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 5 | Marko Nenezic | Harry Grieve | 1-0 | 36 | Open |
| 636 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 4 | Henrique Nemeth Junior | Harry Grieve | 0-1 | 71 | Open |
| 637 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 3 | Harry Grieve | Nderim Saraci | 0-1 | 59 | Open |
| 638 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 2 | Harry Grieve | Antonio Lopez Del Alamo | 1-0 | 60 | Open |
| 639 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 1 | Alexander Zubov | Harry Grieve | 1-0 | 59 | Open |
| 640 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 11 | Harry Grieve | Mariya Nosacheva | 1-0 | 21 | Open |
| 641 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 10 | Ramil Sadykov | Harry Grieve | 1-0 | 41 | Open |
| 642 | 2021-03-23 | 4NCL Online S3 Div1 2021 | lichess.org INT | 5.43 | Harry Grieve | Stephen J Meek | 0-1 | 24 | Open |
| 643 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 3 | Harry Grieve | Mario Andres Fernandez Sanchez | 1/2-1/2 | 54 | Open |
| 644 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 2 | Roman Lovkov | Harry Grieve | 1-0 | 41 | Open |
| 645 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 1 | Harry Grieve | Monika Marcinczyk | 1-0 | 43 | Open |
| 646 | 2021-03-21 | 1st FIDE World Uni RapidC | Tornelo INT | 9.4 | Christopher Repka | Harry Grieve | 1/2-1/2 | 67 | Open |
| 647 | 2021-03-21 | 1st FIDE World Uni RapidC | Tornelo INT | 8.1 | Harry Grieve | Radoslav Panko | 1-0 | 33 | Open |
| 648 | 2021-03-21 | 1st FIDE World Uni RapidC | Tornelo INT | 7.12 | Mario Felipe Constanzo Vivanco | Harry Grieve | 0-1 | 45 | Open |
| 649 | 2021-03-21 | 1st FIDE World Uni RapidC | Tornelo INT | 12.4 | Harry Grieve | Olga Badelka | 1-0 | 31 | Open |
| 650 | 2021-03-21 | 1st FIDE World Uni RapidC | Tornelo INT | 11.8 | Bakhytzhan Kembayev | Harry Grieve | 0-1 | 51 | Open |
| 651 | 2021-03-21 | 1st FIDE World Uni RapidC | Tornelo INT | 10.3 | Harry Grieve | Tomas Laurusas | 0-1 | 44 | Open |
| 652 | 2021-03-20 | 1st FIDE World Uni RapidC | Tornelo INT | 6.9 | Harry Grieve | Francesco Ferraguti | 0-1 | 62 | Open |
| 653 | 2021-03-20 | 1st FIDE World Uni RapidC | Tornelo INT | 5.1 | Harry Grieve | Aay Aisyah Anisa | 1-0 | 31 | Open |
| 654 | 2021-03-20 | 1st FIDE World Uni RapidC | Tornelo INT | 4.9 | 6184044355765910418 | Harry Grieve | 0-1 | 24 | Open |
| 655 | 2021-03-20 | 1st FIDE World Uni RapidC | Tornelo INT | 3.9 | Jorge Frank Herrera Aruca | Harry Grieve | 1/2-1/2 | 27 | Open |
| 656 | 2021-03-20 | 1st FIDE World Uni RapidC | Tornelo INT | 2.1 | Harry Grieve | Amir Mokhtar | 1-0 | 47 | Open |
| 657 | 2021-03-20 | 1st FIDE World Uni RapidC | Tornelo INT | 1.11 | 11807760594223600138 | Harry Grieve | 0-1 | 0 | Open |
| 658 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 9 | Harry Grieve | Viktoriya Tarasova | 0-1 | 35 | Open |
| 659 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 8 | Artak Manukian | Harry Grieve | 0-1 | 49 | Open |
| 660 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 6 | Harry Grieve | Mikhail Kobalia | 0-1 | 39 | Open |
| 661 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 5 | Bahadir Ozen | Harry Grieve | 1-0 | 11 | Open |
| 662 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 4 | Harry Grieve | Mihnea Costachi | 1-0 | 30 | Open |
| 663 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 2 | Harry Grieve | Kirill Kozionov | 0-1 | 28 | Open |
| 664 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 1 | Ramyres Santana Coelho | Harry Grieve | 0-1 | 26 | Open |
| 665 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 11 | Arthur Muromtsev | Harry Grieve | 0-1 | 57 | Open |
| 666 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 9.8 | Brian Escalante Ramirez | Harry Grieve | 1-0 | 79 | Open |
| 667 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 8.15 | Harry Grieve | Darry Bernardo | 1-0 | 28 | Open |
| 668 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 7.7 | Eyal Grinberg | Harry Grieve | 1-0 | 25 | Open |
| 669 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 6.15 | Harry Grieve | Rao Sharan | 1-0 | 13 | Open |
| 670 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 5.3 | Tomas Laurusas | Harry Grieve | 1-0 | 54 | Open |
| 671 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 4.13 | Harry Grieve | Marcos Antonio Morales Marmol | 1-0 | 14 | Open |
| 672 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 3.17 | Jonathan Anthony | Harry Grieve | 0-1 | 55 | Open |
| 673 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 2.21 | Harry Grieve | Axel Brunel | 1-0 | 43 | Open |
| 674 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 10.17 | Harry Grieve | Aram Vardanyan | 0-1 | 45 | Open |
| 675 | 2021-03-13 | 1st FIDE World Uni BlitzB | Tornelo INT | 1.22 | Quetzija Escamilla Romero | Harry Grieve | 0-1 | 45 | Open |
| 676 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 8 | Harry Grieve | Nikolay Ogloblin | 0-1 | 55 | Open |
| 677 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 7 | Jakob Leon Pajeken | Harry Grieve | 1-0 | 26 | Open |
| 678 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 5 | Harry Grieve | Onno Elgersma | 1-0 | 15 | Open |
| 679 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 4 | Artur Gabrielian | Harry Grieve | 1-0 | 29 | Open |
| 680 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 3 | Arthur Muromtsev | Harry Grieve | 0-1 | 27 | Open |
| 681 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 2 | Harry Grieve | Fabian Ernesto Vivas Zamora | 1-0 | 27 | Open |
| 682 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 1 | Halldor Gretar Einarsson | Harry Grieve | 1-0 | 27 | Open |
| 683 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 9 | Arman Siffert | Harry Grieve | 1/2-1/2 | 61 | Open |
| 684 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 8 | Harry Grieve | Francois-Eric Mallassagne | 0-1 | 61 | Open |
| 685 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 7 | Harry Grieve | Herve Daurelle | 1/2-1/2 | 67 | Open |
| 686 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 6 | Artur Gabrielian | Harry Grieve | 1-0 | 13 | Open |
| 687 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 5 | Harry Grieve | Annmarie Muetsch | 1-0 | 67 | Open |
| 688 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 4 | Mourad De Villers | Harry Grieve | 0-1 | 46 | Open |
| 689 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 3 | Harry Grieve | Fabrice Joly | 1-0 | 37 | Open |
| 690 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 2 | Mathilde Kuhn | Harry Grieve | 1/2-1/2 | 55 | Open |
| 691 | 2021-03-06 | Cappelle Online Rapid | Europe-Echecs INT | 1 | Harry Grieve | Timothe Mareau | 1-0 | 28 | Open |
| 692 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 9 | Assel Serikbay | Harry Grieve | 0-1 | 88 | Open |
| 693 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 8 | Harry Grieve | Alexey Kornyukov | 0-1 | 28 | Open |
| 694 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 7 | Jakob Leon Pajeken | Harry Grieve | 0-1 | 54 | Open |
| 695 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 6 | Harry Grieve | Alexandra Kosteniuk | 0-1 | 47 | Open |
| 696 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 5 | Roman Lovkov | Harry Grieve | 1-0 | 27 | Open |
| 697 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 4 | Harry Grieve | Ismayil Shahaliyev | 1-0 | 31 | Open |
| 698 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 3 | Chamal Gedgafov | Harry Grieve | 0-1 | 29 | Open |
| 699 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 2 | Harry Grieve | Vugar Rasulov | 0-1 | 35 | Open |
| 700 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 1 | Harry Grieve | Evan S Rosenberg | 1-0 | 56 | Open |
| 701 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 11 | Christopher Noe | Harry Grieve | 0-1 | 44 | Open |
| 702 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 10 | Harry Grieve | Necmettin Korkmaz | 1-0 | 31 | Open |
| 703 | 2021-02-23 | 4NCL Online S3 Div1 2020 | lichess.org INT | 3.44 | Harry Grieve | Michael Harris | 1-0 | 30 | Open |
| 704 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 2 | Harry Grieve | Pablo Salinas Herrera | 0-1 | 43 | Open |
| 705 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 1 | Harry Grieve | Wiktoria Smietanska | 1-0 | 27 | Open |
| 706 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 9 | Fabian Fiorito | Harry Grieve | 0-1 | 63 | Open |
| 707 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 8 | Harry Grieve | Robert Baskin | 0-1 | 48 | Open |
| 708 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 7 | Stepan Osinovsky | Harry Grieve | 0-1 | 58 | Open |
| 709 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 6 | Harry Grieve | Noel Studer | 0-1 | 28 | Open |
| 710 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 5 | Luis Manuel Esquivias Quintero | Harry Grieve | 0-1 | 21 | Open |
| 711 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 4 | Gahan M G | Harry Grieve | 1-0 | 42 | Open |
| 712 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 3 | Harry Grieve | Boris Bruned | 1-0 | 40 | Open |
| 713 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 2 | Viktoriya Tarasova | Harry Grieve | 0-1 | 43 | Open |
| 714 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 1 | Harry Grieve | Jose Eduardo Martinez Alcantara | 0-1 | 36 | Open |
| 715 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 11 | Harry Grieve | Armen Proudian | 1-0 | 75 | Open |
| 716 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 10 | Mikita Mayorau | Harry Grieve | 0-1 | 48 | Open |
| 717 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 2 | Darius Viskelis | Harry Grieve | 0-1 | 45 | Open |
| 718 | 2021-02-09 | 4NCL Online S3 Div1 2020 | lichess.org INT | 2.23 | Harry Grieve | Nigel John Moyse | 1-0 | 56 | Open |
| 719 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 1 | Harry Grieve | Alireza Firouzja | 0-1 | 36 | Open |
| 720 | 2021-02-07 | KCF University Cup 2021 | lichess.org INT | 9.119 | Harry Grieve | Benjamin Frenkel | 1-0 | 20 | Open |
| 721 | 2021-02-07 | KCF University Cup 2021 | lichess.org INT | 8.131 | Ani Ivanyan | Harry Grieve | 0-1 | 59 | Open |
| 722 | 2021-02-07 | KCF University Cup 2021 | lichess.org INT | 7.127 | Harry Grieve | Shanti Nur Abidah | 1-0 | 34 | Open |
| 723 | 2021-02-07 | KCF University Cup 2021 | lichess.org INT | 6.135 | Ende Matthew Lau | Harry Grieve | 0-1 | 34 | Open |
| 724 | 2021-02-06 | KCF University Cup 2021 | lichess.org INT | 5.123 | Harry Grieve | Zachary Haskin | 1-0 | 45 | Open |
| 725 | 2021-02-06 | KCF University Cup 2021 | lichess.org INT | 4.103 | Mateusz Bartel | Harry Grieve | 1-0 | 23 | Open |
| 726 | 2021-02-06 | KCF University Cup 2021 | lichess.org INT | 3.135 | Harry Grieve | Bruno Leonardo Do N. Dias | 1-0 | 37 | Open |
| 727 | 2021-02-06 | KCF University Cup 2021 | lichess.org INT | 2.139 | Segev Eliezer | Harry Grieve | 0-1 | 28 | Open |
| 728 | 2021-02-06 | KCF University Cup 2021 | lichess.org INT | 1.139 | Harry Grieve | Myrzagul Sydykova | 1-0 | 42 | Open |
| 729 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 9 | Harry Grieve | Raymond Kaufman | 0-1 | 34 | Open |
| 730 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 6 | Rumen Tashkov | Harry Grieve | 0-1 | 35 | Open |
| 731 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 5 | Harry Grieve | Anastasiya Geller | 0-1 | 28 | Open |
| 732 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 4 | Kevin Bordi | Harry Grieve | 1-0 | 59 | Open |
| 733 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 2 | Ori Kobo | Harry Grieve | 1-0 | 57 | Open |
| 734 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 11 | Harry Grieve | Arthur Muromtsev | 0-1 | 37 | Open |
| 735 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 10 | Eugene Yanayt | Harry Grieve | 1-0 | 43 | Open |
| 736 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 2 | Vahap Sanal | Harry Grieve | 1-0 | 77 | Open |
| 737 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 1 | Harry Grieve | Radomir Garic | 1-0 | 50 | Open |
| 738 | 2021-01-26 | 4NCL Online S3 Div1 2020 | lichess.org INT | 1.33 | David J Grant | Harry Grieve | 0-1 | 23 | Open |
| 739 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 9 | Sebastien Maze | Harry Grieve | 1-0 | 42 | Open |
| 740 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 8 | Harry Grieve | Milton Pantzar | 1-0 | 34 | Open |
| 741 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 7 | Fy Antenaina Rakotomaharo | Harry Grieve | 1/2-1/2 | 64 | Open |
| 742 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 6 | Harry Grieve | Matthias Bluebaum | 0-1 | 49 | Open |
| 743 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 5 | Harry Grieve | Noel Studer | 1-0 | 53 | Open |
| 744 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 4 | Ivan Ivanisevic | Harry Grieve | 0-1 | 47 | Open |
| 745 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 3 | Raphael Mayaud | Harry Grieve | 0-1 | 32 | Open |
| 746 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 2 | Harry Grieve | Rudik Makarian | 0-1 | 55 | Open |
| 747 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 1 | Harry Grieve | Halldor Gretar Einarsson | 1-0 | 25 | Open |
| 748 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 11 | Assel Serikbay | Harry Grieve | 0-1 | 38 | Open |
| 749 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 10 | Harry Grieve | Vitaly Gurvich | 0-1 | 45 | Open |
| 750 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 9 | Harry Grieve | Jakub Fus | 1-0 | 18 | Open |
| 751 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 8 | Renato R. Quintiliano | Harry Grieve | 1-0 | 48 | Open |
| 752 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 7 | Nikita Matinian | Harry Grieve | 0-1 | 52 | Open |
| 753 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 6 | Harry Grieve | Ranindu Dilshan Liyanage | 1-0 | 79 | Open |
| 754 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 5 | Christopher Chabris | Harry Grieve | 0-1 | 28 | Open |
| 755 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 4 | Harry Grieve | Vugar Manafov | 0-1 | 63 | Open |
| 756 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 3 | William Schill | Harry Grieve | 0-1 | 24 | Open |
| 757 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 2 | Bommini Mounika Akshaya | Harry Grieve | 0-1 | 22 | Open |
| 758 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 1 | Harry Grieve | Grigoriy Oparin | 0-1 | 62 | Open |
| 759 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 11 | Harry Grieve | Volodar Murzin | 1/2-1/2 | 62 | Open |
| 760 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 10 | Matthieu Cornette | Harry Grieve | 1-0 | 52 | Open |
| 761 | 2021-01-03 | Caplin British Online | chess.com INT | 9.4 | Bogdan Lalic | Harry Grieve | 1/2-1/2 | 21 | Open |
| 762 | 2021-01-02 | Caplin British Online | chess.com INT | 8.2 | Harry Grieve | Matthew J Turner | 1/2-1/2 | 11 | Open |
| 763 | 2020-12-30 | Caplin British Online | chess.com INT | 7.7 | Harry Grieve | Julia Volovich | 1-0 | 34 | Open |
| 764 | 2020-12-29 | Caplin British Online | chess.com INT | 6.5 | Tom O`Gorman | Harry Grieve | 1/2-1/2 | 26 | Open |
| 765 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 1 | Harry Grieve | Igor Kovalenko | 0-1 | 47 | Open |
| 766 | 2020-12-28 | Caplin British Online | chess.com INT | 5.8 | Harry Grieve | Thomas Villiers | 1-0 | 37 | Open |
| 767 | 2020-12-27 | Caplin British Online | chess.com INT | 4.7 | Mohammed Aayan Ismail | Harry Grieve | 1-0 | 46 | Open |
| 768 | 2020-12-23 | Caplin British Online | chess.com INT | 3.7 | Harry Grieve | Katarzyna Toma | 1/2-1/2 | 55 | Open |
| 769 | 2020-12-22 | Caplin British Online | chess.com INT | 2.9 | Declan Shafi | Harry Grieve | 0-1 | 38 | Open |
| 770 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 1 | Samuel Sevian | Harry Grieve | 1-0 | 29 | Open |
| 771 | 2020-12-21 | Caplin British Online | chess.com INT | 1.1 | Harry Grieve | Alex Goss | 1/2-1/2 | 53 | Open |
| 772 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 9 | Maksim Omariev | Harry Grieve | 0-1 | 48 | Open |
| 773 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 8 | Harry Grieve | Rajat Makkar | 1-0 | 26 | Open |
| 774 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 7 | Harry Grieve | Santiago Avila Pavas | 0-1 | 31 | Open |
| 775 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 6 | Jonathan Carlstedt | Harry Grieve | 0-1 | 70 | Open |
| 776 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 5 | Yoseph Theolifus Taher | Harry Grieve | 1-0 | 65 | Open |
| 777 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 4 | Harry Grieve | Ian Harris | 1-0 | 23 | Open |
| 778 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 3 | Harry Grieve | Erigaisi Arjun | 0-1 | 34 | Open |
| 779 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 2 | Monserrat Morales Flores | Harry Grieve | 0-1 | 39 | Open |
| 780 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 1 | Harry Grieve | Nihal Sarin | 0-1 | 58 | Open |
| 781 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 18 | Harry Grieve | Sehyun Kwon | 0-1 | 59 | Open |
| 782 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 16 | Harry Grieve | Daniel Rozovsky | 1-0 | 39 | Open |
| 783 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 15 | Rameshbabu Vaishali | Harry Grieve | 0-1 | 35 | Open |
| 784 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 13 | Harry Grieve | Barbara Skuhala | 0-1 | 41 | Open |
| 785 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 12 | Artyom Zubritskiy | Harry Grieve | 1-0 | 31 | Open |
| 786 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 11 | Harry Grieve | Isik Can | 0-1 | 44 | Open |
| 787 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 10 | Lorenzo Lodici | Harry Grieve | 0-1 | 49 | Open |
| 788 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 9 | Harry Grieve | Ranindu Dilshan Liyanage | 0-1 | 15 | Open |
| 789 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 8 | Christian Stevens | Harry Grieve | 1/2-1/2 | 85 | Open |
| 790 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 7 | Harry Grieve | Levente Vajda | 1-0 | 46 | Open |
| 791 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 6 | Harry Grieve | Konstantin Borsuk | 1/2-1/2 | 111 | Open |
| 792 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 4 | Evgeniy Najer | Harry Grieve | 1-0 | 34 | Open |
| 793 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 3 | Harry Grieve | Ana Berke | 1-0 | 40 | Open |
| 794 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 2 | Vesal Hamedi Nia | Harry Grieve | 0-1 | 35 | Open |
| 795 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 1 | Harry Grieve | Quang Liem Le | 0-1 | 27 | Open |
| 796 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 11 | Harry Grieve | Alexey Lizlov | 0-1 | 28 | Open |
| 797 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 10 | Daniel Eduardo Lopez Idarraga | Harry Grieve | 1-0 | 45 | Open |
| 798 | 2020-12-01 | Titled Tuesday 1st Dec | chess.com INT | 1 | Harry Grieve | Bogdan-Daniel Deac | 0-1 | 53 | Open |
| 799 | 2020-12-01 | 4NCL Online S2 Div1 Final | lichess.org INT | 1.14 | Oleksandr Vakulenko | Harry Grieve | 1-0 | 33 | Open |
| 800 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 9 | Evgeny Egorov | Harry Grieve | 0-1 | 52 | Open |
| 801 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 8 | Harry Grieve | Sergey Kim | 1-0 | 30 | Open |
| 802 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 7 | Harry Grieve | Thomas Carroll | 1-0 | 25 | Open |
| 803 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 6 | Ricardo Kropff | Harry Grieve | 0-1 | 41 | Open |
| 804 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 5 | Harry Grieve | Iulian-Ioan Taras | 0-1 | 68 | Open |
| 805 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 4 | Rasmus Svane | Harry Grieve | 1-0 | 33 | Open |
| 806 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 3 | Harry Grieve | Sergei Iskusnyh | 1/2-1/2 | 27 | Open |
| 807 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 2 | Harry Grieve | Arina Kiseleva | 1-0 | 56 | Open |
| 808 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 1 | Sergei Lobanov | Harry Grieve | 1-0 | 61 | Open |
| 809 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 11 | Harry Grieve | Andrew Tang | 0-1 | 20 | Open |
| 810 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 10 | Harry Grieve | Oskar Wieczorek | 1-0 | 55 | Open |
| 811 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 9 | Svetlana Vifleemskaia | Harry Grieve | 1-0 | 41 | Open |
| 812 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 8 | Harry Grieve | Amir Bagheri | 0-1 | 33 | Open |
| 813 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 7 | Dmitry Gurevich | Harry Grieve | 1-0 | 48 | Open |
| 814 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 6 | Harry Grieve | Isak Storme | 1-0 | 88 | Open |
| 815 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 5 | Antonios Pavlidis | Harry Grieve | 1-0 | 25 | Open |
| 816 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 4 | Jakub Fus | Harry Grieve | 0-1 | 20 | Open |
| 817 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 3 | Harry Grieve | Milton Pantzar | 1/2-1/2 | 112 | Open |
| 818 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 2 | Harry Grieve | Iulian Necula | 1-0 | 52 | Open |
| 819 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 1 | Kevin Bordi | Harry Grieve | 1-0 | 34 | Open |
| 820 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 11 | Maryana Huda | Harry Grieve | 0-1 | 34 | Open |
| 821 | 2020-11-17 | Titled Tuesday 17th Nov | chess.com INT | 10 | Harry Grieve | Radomir Garic | 1-0 | 57 | Open |
| 822 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 8 | Ekaterina Miroshnik | Harry Grieve | 1/2-1/2 | 76 | Open |
| 823 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 7 | Harry Grieve | Stefan Mazur | 1-0 | 47 | Open |
| 824 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 6 | Harry Grieve | Slaven Pastar | 1-0 | 37 | Open |
| 825 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 5 | Yuliia Osmak | Harry Grieve | 1/2-1/2 | 50 | Open |
| 826 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 4 | Harry Grieve | David Peng | 0-1 | 44 | Open |
| 827 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 1 | Harry Grieve | Corey Acor | 0-1 | 31 | Open |
| 828 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 11 | Srihari L R | Harry Grieve | 1-0 | 40 | Open |
| 829 | 2020-11-10 | Titled Tuesday 10th Nov | chess.com INT | 10 | Mihailo Djokic | Harry Grieve | 0-1 | 39 | Open |
| 830 | 2020-11-03 | 4NCL Online S2 Div1 2020 | lichess.org INT | 6.44 | Harry Grieve | Yuri Dr Agafonov | 1/2-1/2 | 83 | Open |
| 831 | 2020-11-03 | Titled Tuesday 3rd Nov | chess.com INT | 1 | Harry Grieve | Aleksandr Ostrovskiy | 0-1 | 48 | Open |
| 832 | 2020-10-27 | Titled Tuesday 27th Oct | chess.com INT | 1 | Manu David Suthandram R | Harry Grieve | 1-0 | 33 | Open |
| 833 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 9 | Harry Grieve | Olga Matveeva | 1-0 | 29 | Open |
| 834 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 8 | Madara Golsta | Harry Grieve | 1-0 | 40 | Open |
| 835 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 7 | Harry Grieve | Sergey Shtyka | 1/2-1/2 | 104 | Open |
| 836 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 6 | Olga Zhuravleva | Harry Grieve | 0-1 | 28 | Open |
| 837 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 5 | Darya Trapeznikova | Harry Grieve | 1-0 | 33 | Open |
| 838 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 4 | Harry Grieve | Valentina Gunina | 0-1 | 15 | Open |
| 839 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 2 | Alexander Andres Hernandez Jimenez | Harry Grieve | 0-1 | 30 | Open |
| 840 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 1 | Harry Grieve | Sergei Zhigalko | 0-1 | 34 | Open |
| 841 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 11 | Evgeny Romanov | Harry Grieve | 0-1 | 38 | Open |
| 842 | 2020-10-20 | Titled Tuesday 20th Oct | chess.com INT | 10 | Harry Grieve | Dawid Janaszak | 1-0 | 34 | Open |
| 843 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 8 | Ieuan C Ward | Harry Grieve | 1/2-1/2 | 55 | Open |
| 844 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 7 | Harry Grieve | Maksim Omariev | 0-1 | 65 | Open |
| 845 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 6 | Mukhammadali Abdurakhmonov | Harry Grieve | 1-0 | 42 | Open |
| 846 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 5 | Harry Grieve | Iulian Necula | 1-0 | 27 | Open |
| 847 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 3 | Evelina Zavivaeva | Harry Grieve | 0-1 | 39 | Open |
| 848 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 2 | Harry Grieve | Alexander Andres Hernandez Jimenez | 1-0 | 40 | Open |
| 849 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 1 | Tuan Minh Le | Harry Grieve | 1-0 | 34 | Open |
| 850 | 2020-10-06 | 4NCL Online S2 Div1 2020 | lichess.org INT | 4.33 | Neil Berry | Harry Grieve | 1/2-1/2 | 66 | Open |
| 851 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 1 | Harry Grieve | Vladislav Artemiev | 0-1 | 25 | Open |
| 852 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 9 | Harry Grieve | Aziz Degenbaev | 0-1 | 62 | Open |
| 853 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 7 | Harry Grieve | Marco Riehle | 0-1 | 59 | Open |
| 854 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 6 | Vasil Trickov | Harry Grieve | 0-1 | 49 | Open |
| 855 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 5 | Harry Grieve | Alan Pichot | 0-1 | 36 | Open |
| 856 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 4 | Harry Grieve | Barbara Skuhala | 1-0 | 53 | Open |
| 857 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 3 | Arturs Neiksans | Harry Grieve | 1-0 | 35 | Open |
| 858 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 2 | Ras Malaku Lorne | Harry Grieve | 0-1 | 51 | Open |
| 859 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 1 | Harry Grieve | Renato Terry | 0-1 | 27 | Open |
| 860 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 15 | Harry Grieve | Antonios Hadzimanolis | 1-0 | 64 | Open |
| 861 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 13 | Han Schut | Harry Grieve | 1-0 | 22 | Open |
| 862 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 12 | Harry Grieve | Cristian-Clement Daianu | 0-1 | 49 | Open |
| 863 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 11 | Sopio Tereladze | Harry Grieve | 0-1 | 28 | Open |
| 864 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 10 | Sona Asatryan | Harry Grieve | 1/2-1/2 | 64 | Open |
| 865 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 9 | Harry Grieve | Davit Maghalashvili | 0-1 | 52 | Open |
| 866 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 8 | Leonardo Tristan | Harry Grieve | 0-1 | 39 | Open |
| 867 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 7 | Harshavardhan G B | Harry Grieve | 1-0 | 47 | Open |
| 868 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 6 | Harry Grieve | Elmar Atakishiyev | 1/2-1/2 | 86 | Open |
| 869 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 5 | Harry Grieve | Shota Azaladze | 1-0 | 35 | Open |
| 870 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 4 | Madara Golsta | Harry Grieve | 0-1 | 43 | Open |
| 871 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 2 | Harry Grieve | Paulo Cesar Costa | 1/2-1/2 | 64 | Open |
| 872 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 1 | Vladimir Fedoseev | Harry Grieve | 1-0 | 44 | Open |
| 873 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 10 | Harry Grieve | Nafisa Muminova | 1-0 | 64 | Open |
| 874 | 2020-09-22 | 4NCL Online S2 Div1 2020 | lichess.org INT | 3.33 | Harry Grieve | Angel David Silva Pena | 1-0 | 22 | Open |
| 875 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 2 | Gukesh D | Harry Grieve | 1-0 | 25 | Open |
| 876 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 1 | Harry Grieve | Erigaisi Arjun | 1/2-1/2 | 46 | Open |
| 877 | 2020-09-08 | 4NCL Online S2 Div1 2020 | lichess.org INT | 2.23 | Kevin McHugh | Harry Grieve | 0-1 | 38 | Open |
| 878 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 1 | Harry Grieve | Jules Moussard | 0-1 | 41 | Open |
| 879 | 2020-08-29 | Skalica Open 2020 | Skalica SVK | 8.1 | Leon Luke Mendonca | Harry Grieve | 1-0 | 41 | Open |
| 880 | 2020-08-28 | Skalica Open 2020 | Skalica SVK | 7.8 | Harry Grieve | Martin Istona | 1-0 | 41 | Open |
| 881 | 2020-08-27 | Skalica Open 2020 | Skalica SVK | 6.1 | Harry Grieve | M Paul Townsend | 1-0 | 26 | Open |
| 882 | 2020-08-26 | Skalica Open 2020 | Skalica SVK | 5.15 | Marian Kantorik | Harry Grieve | 0-1 | 21 | Open |
| 883 | 2020-08-25 | Skalica Open 2020 | Skalica SVK | 4.14 | Harry Grieve | Tamas Tancsa | 1/2-1/2 | 63 | Open |
| 884 | 2020-08-24 | Skalica Open 2020 | Skalica SVK | 3.8 | Erno Molnar | Harry Grieve | 1-0 | 32 | Open |
| 885 | 2020-08-24 | Skalica Open 2020 | Skalica SVK | 2.16 | Harry Grieve | Adam Cedzo | 1-0 | 23 | Open |
| 886 | 2020-08-23 | Skalica Open 2020 | Skalica SVK | 1.11 | Manuel Llopis de Aysa | Harry Grieve | 1/2-1/2 | 65 | Open |
| 887 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 9 | Ignacio Gago Padreny | Harry Grieve | 1-0 | 62 | Open |
| 888 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 8 | Harry Grieve | Piotr Mickiewicz | 0-1 | 55 | Open |
| 889 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 7 | Alexander Moskalenko | Harry Grieve | 1-0 | 60 | Open |
| 890 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 6 | Harry Grieve | Harshavardhan G B | 0-1 | 40 | Open |
| 891 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 4 | Harry Grieve | Sai Nirupama Kotepalli | 1-0 | 89 | Open |
| 892 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 3 | Anton Demchenko | Harry Grieve | 1-0 | 42 | Open |
| 893 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 2 | Darvi Abraham Crispin Ferreras | Harry Grieve | 0-1 | 28 | Open |
| 894 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 1 | Harry Grieve | A.R. Saleh Salem | 0-1 | 60 | Open |
| 895 | 2020-08-18 | Titled Tue 18th Aug | chess.com INT | 10 | Harry Grieve | Elliott Winslow | 1-0 | 43 | Open |
| 896 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 9 | Harry Grieve | Wagh Suyog | 1-0 | 17 | Open |
| 897 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 7 | Harry Grieve | Alexander Belezky | 1-0 | 52 | Open |
| 898 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 5 | Silvio Eduardo Oliveira | Harry Grieve | 1-0 | 30 | Open |
| 899 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 4 | Samiha Shimmi Sharmin | Harry Grieve | 0-1 | 10 | Open |
| 900 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 3 | Harry Grieve | Bao Nghia Dong | 0-1 | 54 | Open |
| 901 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 2 | Harry Grieve | Equitable Brown | 1-0 | 47 | Open |
| 902 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 1 | Roberto Junio Brito Molina | Harry Grieve | 1-0 | 73 | Open |
| 903 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 10 | Pavel Shkapenko | Harry Grieve | 0-1 | 51 | Open |
| 904 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 9 | Harry Grieve | Vitaly Rodchenkov | 0-1 | 73 | Open |
| 905 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 8 | Jose Antonio Herrera Reyes | Harry Grieve | 0-1 | 47 | Open |
| 906 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 7 | Harry Grieve | Daniel Yoshito Ikejiri | 1-0 | 37 | Open |
| 907 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 6 | Georg Seul | Harry Grieve | 1-0 | 57 | Open |
| 908 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 4 | Muhittin Buker | Harry Grieve | 1-0 | 42 | Open |
| 909 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 3 | Harry Grieve | Ritvars Reimanis | 0-1 | 20 | Open |
| 910 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 2 | Grigory Gusarov | Harry Grieve | 1-0 | 42 | Open |
| 911 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 1 | Leonid Starozhilov | Harry Grieve | 0-1 | 42 | Open |
| 912 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 10 | Petr Hollan | Harry Grieve | 1-0 | 41 | Open |
| 913 | 2020-07-17 | Orbis July IM 2020 | Paracin SRB | 9.5 | Ivan Martic | Harry Grieve | 1-0 | 55 | Open |
| 914 | 2020-07-16 | Orbis July IM 2020 | Paracin SRB | 8.2 | Harry Grieve | Ivan Sredojevic | 1-0 | 31 | Open |
| 915 | 2020-07-15 | Orbis July IM 2020 | Paracin SRB | 7.4 | Gergana Peycheva | Harry Grieve | 1/2-1/2 | 35 | Open |
| 916 | 2020-07-15 | Orbis July IM 2020 | Paracin SRB | 6.3 | Harry Grieve | Joachim Mouhamad | 1/2-1/2 | 77 | Open |
| 917 | 2020-07-14 | Orbis July IM 2020 | Paracin SRB | 5.3 | Jovana Srdanovic | Harry Grieve | 0-1 | 27 | Open |
| 918 | 2020-07-13 | Orbis July IM 2020 | Paracin SRB | 4.4 | Harry Grieve | Endre Csiki | 1-0 | 38 | Open |
| 919 | 2020-07-12 | Orbis July IM 2020 | Paracin SRB | 3.2 | Aleksander Delchev | Harry Grieve | 1-0 | 40 | Open |
| 920 | 2020-07-12 | Orbis July IM 2020 | Paracin SRB | 2.5 | Harry Grieve | Almos Konyves | 1-0 | 36 | Open |
| 921 | 2020-07-11 | Orbis July IM 2020 | Paracin SRB | 1.1 | Harry Grieve | Dejan Brankovic | 1/2-1/2 | 47 | Open |
| 922 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 9 | Sandi Stojanovski | Harry Grieve | 0-1 | 37 | Open |
| 923 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 7 | Harry Grieve | Sergey Kim | 0-1 | 38 | Open |
| 924 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 6 | Volodymyr Yaniuk | Harry Grieve | 1-0 | 29 | Open |
| 925 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 5 | Harry Grieve | Dragan Popadic | 1-0 | 27 | Open |
| 926 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 4 | Harry Grieve | Alberto Barp | 0-1 | 40 | Open |
| 927 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 3 | Arkadiusz Skawinski | Harry Grieve | 0-1 | 34 | Open |
| 928 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 2 | Matt Pon | Harry Grieve | 1-0 | 65 | Open |
| 929 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 1 | Harry Grieve | Viani Antonio Dcunha | 1/2-1/2 | 87 | Open |
| 930 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 10 | Harry Grieve | Elvira Berend | 1-0 | 49 | Open |
| 931 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 9 | Gianmarco Leiva | Harry Grieve | 1-0 | 20 | Open |
| 932 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 8 | Junior Tay | Harry Grieve | 1-0 | 51 | Open |
| 933 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 7 | Harry Grieve | Ludvig Carlsson | 1-0 | 40 | Open |
| 934 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 5 | Harry Grieve | Przemyslaw Koc | 1-0 | 47 | Open |
| 935 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 1 | Harry Grieve | Matt Pon | 0-1 | 22 | Open |
| 936 | 2020-06-16 | 4NCL Online Div1 Playoffs | lichess.org INT | 1.34 | Guy Moss | Harry Grieve | 1/2-1/2 | 66 | Open |
| 937 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 8 | Harry Grieve | Elza Khazieva | 1-0 | 34 | Open |
| 938 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 7 | Anastasiya Rakhmangulova | Harry Grieve | 1-0 | 55 | Open |
| 939 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 6 | Harry Grieve | Julian Estrada Nieto | 0-1 | 41 | Open |
| 940 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 5 | Alekhine Nouri | Harry Grieve | 1-0 | 34 | Open |
| 941 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 4 | Harry Grieve | Isabelle Tamarozi | 1-0 | 18 | Open |
| 942 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 1 | Harry Grieve | Praveen Balakrishnan | 0-1 | 43 | Open |
| 943 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 10 | Harry Grieve | Kirill Kuderinov | 1-0 | 21 | Open |
| 944 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 9 | Harry Grieve | Armen Proudian | 1/2-1/2 | 97 | Open |
| 945 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 8 | Glen De Schampheleire | Harry Grieve | 0-1 | 61 | Open |
| 946 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 7 | Harry Grieve | Dewi Ardhiani Anastasia Citra | 1-0 | 37 | Open |
| 947 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 6 | Alexandra Shvedova | Harry Grieve | 0-1 | 36 | Open |
| 948 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 5 | Harry Grieve | Anastazia Karlovich | 0-1 | 31 | Open |
| 949 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 4 | Gregory Shahade | Harry Grieve | 1-0 | 59 | Open |
| 950 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 3 | Harry Grieve | Ciprian-Mihai Comsa | 1-0 | 19 | Open |
| 951 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 2 | Victor Bologan | Harry Grieve | 1-0 | 70 | Open |
| 952 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 10 | Harry Grieve | Liam Putnam | 1/2-1/2 | 113 | Open |
| 953 | 2020-05-26 | 4NCL Online Div1 2020 | lichess.org INT | 8.114 | Chris W Baker | Harry Grieve | 1-0 | 38 | Open |
| 954 | 2020-05-12 | 4NCL Online Div1 2020 | lichess.org INT | 6.83 | Harry Grieve | Stefan Loeffler | 0-1 | 34 | Open |
| 955 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 8 | Holden Davis | Harry Grieve | 1-0 | 42 | Open |
| 956 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 7 | Harry Grieve | Peter E Chaplin | 0-1 | 53 | Open |
| 957 | 2020-05-09 | English Online Blitz Gp1 | chess.com INT | 6 | Harry Grieve | Andrew P Horton | 0-1 | 47 | Open |
| 958 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 6 | Richard G Pert | Harry Grieve | 1-0 | 37 | Open |
| 959 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 5 | Harry Grieve | Mark L Hebden | 0-1 | 42 | Open |
| 960 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 4 | Harry Grieve | Ritvars Reimanis | 1-0 | 47 | Open |
| 961 | 2020-05-09 | English Online Blitz Gp1 | chess.com INT | 4 | Martin P Burrows | Harry Grieve | 0-1 | 30 | Open |
| 962 | 2020-05-09 | English Online Blitz Gp1 | chess.com INT | 3 | Harry Grieve | Jonah B Willow | 0-1 | 58 | Open |
| 963 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 3 | Koby Kalavannan | Harry Grieve | 0-1 | 66 | Open |
| 964 | 2020-05-09 | English Online Blitz Gp1 | chess.com INT | 1 | Daniel Hardman | Harry Grieve | 0-1 | 23 | Open |
| 965 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 1 | Harry Grieve | Leon P Burnett | 1-0 | 34 | Open |
| 966 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 11 | Harry Grieve | Philip Zabrocki | 1-0 | 57 | Open |
| 967 | 2020-05-09 | English Online Blitz Gp1 | chess.com INT | 11 | Svetlana Sucikova | Harry Grieve | 1/2-1/2 | 71 | Open |
| 968 | 2020-05-09 | English Online Blitz Gp2 | chess.com INT | 10 | John Boyd | Harry Grieve | 0-1 | 29 | Open |
| 969 | 2020-05-05 | 4NCL Online Div1 2020 | lichess.org INT | 5.122 | Harry Grieve | Roy Ellames | 1/2-1/2 | 19 | Open |
| 970 | 2020-04-28 | 4NCL Online Div1 2020 | lichess.org INT | 4.103 | Max N Turner | Harry Grieve | 0-1 | 45 | Open |
| 971 | 2020-04-14 | 4NCL Online Div1 2020 | lichess.org INT | 2.112 | Harry Grieve | Callum D Brewer | 0-1 | 25 | Open |
| 972 | 2020-04-07 | 4NCL Online Div1 2020 | lichess.org INT | 1.92 | David J Grant | Harry Grieve | 0-1 | 42 | Open |
| 973 | 2020-03-07 | 138th Varsity Match 2020 | London ENG | 1.5 | Harry Grieve | Akshaya Kalaiyalahan | 1-0 | 51 | Open |
| 974 | 2020-03-01 | 4NCL Div 1b 2019-20 | Daventry ENG | 2.76 | Harry Grieve | Killian Delaney | 1/2-1/2 | 29 | Open |
| 975 | 2020-02-29 | 4NCL Div 1b 2019-20 | Daventry ENG | 1.64 | Laurence E Webb | Harry Grieve | 1/2-1/2 | 31 | Open |
| 976 | 2020-02-23 | BUCA 2020 | Birmingham ENG | 5.3 | Harry Li | Harry Grieve | 1-0 | 60 | Open |
| 977 | 2020-02-23 | BUCA 2020 | Birmingham ENG | 4.3 | Harry Grieve | Partha Mulay | 1-0 | 30 | Open |
| 978 | 2020-02-22 | BUCA 2020 | Birmingham ENG | 3.3 | Dimitrios Pappelis | Harry Grieve | 0-1 | 48 | Open |
| 979 | 2020-02-22 | BUCA 2020 | Birmingham ENG | 2.3 | Victor Vasiesiu | Harry Grieve | 1/2-1/2 | 20 | Open |
| 980 | 2020-02-22 | BUCA 2020 | Birmingham ENG | 1.3 | Harry Grieve | Ian G Gallagher | 1-0 | 31 | Open |
| 981 | 2020-02-09 | 4NCL Div 1b 2019-20 | Daventry ENG | 6.68 | Harry Grieve | Oisin Bridgeman | 1-0 | 37 | Open |
| 982 | 2020-02-08 | 4NCL Div 1b 2019-20 | Daventry ENG | 5.58 | Dietmar Kolbus | Harry Grieve | 1-0 | 85 | Open |
| 983 | 2020-01-12 | 4NCL Div 1b 2019-20 | Daventry ENG | 4.77 | Tomasz Sygnowski | Harry Grieve | 0-1 | 28 | Open |
| 984 | 2020-01-11 | 4NCL Div 1b 2019-20 | Daventry ENG | 3.67 | Harry Grieve | Blair N Connell | 1-0 | 39 | Open |
| 985 | 2020-01-05 | Hastings Masters 2019-20 | Hastings ENG | 9.2 | Harry Grieve | Robert S Eames | 1-0 | 41 | Open |
| 986 | 2020-01-04 | Hastings Masters 2019-20 | Hastings ENG | 8.18 | Vjacheslav Ryzhkov | Harry Grieve | 1/2-1/2 | 62 | Open |
| 987 | 2020-01-03 | Hastings Masters 2019-20 | Hastings ENG | 7.7 | Harry Grieve | G.A. Stany | 0-1 | 31 | Open |
| 988 | 2020-01-02 | Hastings Masters 2019-20 | Hastings ENG | 6.1 | Glenn C Flear | Harry Grieve | 1/2-1/2 | 58 | Open |
| 989 | 2020-01-01 | Hastings Masters 2019-20 | Hastings ENG | 5.1 | Daniel W Gormally | Harry Grieve | 0-1 | 43 | Open |
| 990 | 2019-12-31 | Hastings Masters 2019-20 | Hastings ENG | 4.7 | Harry Grieve | Gergely Kantor | 1/2-1/2 | 61 | Open |
| 991 | 2019-12-30 | Hastings Masters 2019-20 | Hastings ENG | 3.2 | Harry Grieve | Bas De Boer | 1-0 | 38 | Open |
| 992 | 2019-12-29 | Hastings Masters 2019-20 | Hastings ENG | 2.9 | Mishra Swayams | Harry Grieve | 1-0 | 44 | Open |
| 993 | 2019-12-28 | Hastings Masters 2019-20 | Hastings ENG | 1.29 | Harry Grieve | Paul A Hutchinson | 1-0 | 83 | Open |
| 994 | 2019-09-19 | 2nd Tal Mem IM 2019 | Anogia GRE | 9.2 | Harry Grieve | Egor Bogdanov | 1/2-1/2 | 5 | Open |
| 995 | 2019-09-18 | 2nd Tal Mem IM 2019 | Anogia GRE | 8.4 | Dusan Lekic | Harry Grieve | 1/2-1/2 | 18 | Open |
| 996 | 2019-09-17 | 2nd Tal Mem IM 2019 | Anogia GRE | 7.3 | Harry Grieve | Dimitrios Katopodis | 1/2-1/2 | 49 | Open |
| 997 | 2019-09-16 | 2nd Tal Mem IM 2019 | Anogia GRE | 6.3 | Sotiris Logothetis | Harry Grieve | 0-1 | 38 | Open |
| 998 | 2019-09-15 | 2nd Tal Mem IM 2019 | Anogia GRE | 5.4 | Harry Grieve | Li Min Peng | 0-1 | 37 | Open |
| 999 | 2019-09-14 | 2nd Tal Mem IM 2019 | Anogia GRE | 4.2 | Nikolaos K. Sidiropoulos | Harry Grieve | 1-0 | 67 | Open |
| 1000 | 2019-09-13 | 2nd Tal Mem IM 2019 | Anogia GRE | 3.5 | Harry Grieve | Daniel Vanheirzeele | 1-0 | 19 | Open |
| 1001 | 2019-09-12 | 2nd Tal Mem IM 2019 | Anogia GRE | 2.1 | Georgios Gkoumas | Harry Grieve | 1/2-1/2 | 19 | Open |
| 1002 | 2019-09-11 | 2nd Tal Mem IM 2019 | Anogia GRE | 1.5 | Yahli Sokolovsky | Harry Grieve | 0-1 | 42 | Open |
| 1003 | 2019-07-27 | 30th Czech Open A 2019 | Pardubice CZE | 9.77 | Jan Turner | Harry Grieve | 1/2-1/2 | 3 | Open |
| 1004 | 2019-07-26 | 30th Czech Open A 2019 | Pardubice CZE | 8.11 | Harry Grieve | Simon Burian | 1-0 | 27 | Open |
| 1005 | 2019-07-25 | 30th Czech Open A 2019 | Pardubice CZE | 7.111 | Yunseo Kim | Harry Grieve | 1/2-1/2 | 15 | Open |
| 1006 | 2019-07-24 | 30th Czech Open A 2019 | Pardubice CZE | 6.71 | Harry Grieve | Or Bronstein | 0-1 | 52 | Open |
| 1007 | 2019-07-23 | 30th Czech Open A 2019 | Pardubice CZE | 5.65 | Jakub Pulpan | Harry Grieve | 1/2-1/2 | 17 | Open |
| 1008 | 2019-07-19 | 30th Czech Open A 2019 | Pardubice CZE | 1.12 | Mikhail Demidov | Harry Grieve | 1-0 | 53 | Open |
| 1009 | 2019-07-17 | European Youth U18 Teams | Pardubice CZE | 7.3 | Harry Grieve | Lukas Leisch | 1/2-1/2 | 54 | Open |
| 1010 | 2019-07-16 | European Youth U18 Teams | Pardubice CZE | 6.3 | Harry Grieve | Eytan Rozen | 1-0 | 55 | Open |
| 1011 | 2019-07-14 | European Youth U18 Teams | Pardubice CZE | 4.3 | Emil Schmidek | Harry Grieve | 1-0 | 73 | Open |
| 1012 | 2019-07-13 | European Youth U18 Teams | Pardubice CZE | 3.3 | Peter Viczencz | Harry Grieve | 0-1 | 35 | Open |
| 1013 | 2019-07-12 | European Youth U18 Teams | Pardubice CZE | 2.3 | Harry Grieve | Vojtech Sramek | 1/2-1/2 | 49 | Open |
| 1014 | 2019-07-11 | European Youth U18 Teams | Pardubice CZE | 1.3 | Luka Budisavljevic | Harry Grieve | 1/2-1/2 | 30 | Open |
| 1015 | 2019-04-21 | Southend Easter Masters | Southend ENG | 7.3 | Matthew J Wadsworth | Harry Grieve | 1-0 | 39 | Open |
| 1016 | 2019-04-18 | Southend Easter Masters | Southend ENG | 1.1 | Harry Grieve | Damian Lemos | 1/2-1/2 | 29 | Open |
| 1017 | 2018-10-27 | 44th Guernsey Open 2018 | Vale GCI | 7.5 | Peter Rowe | Harry Grieve | 0-1 | 34 | Open |
| 1018 | 2018-10-26 | 44th Guernsey Open 2018 | Vale GCI | 6.9 | Harry Grieve | Kees De Kruif | 1-0 | 38 | Open |
| 1019 | 2018-10-25 | 44th Guernsey Open 2018 | Vale GCI | 5.5 | Colin Purdon | Harry Grieve | 1-0 | 36 | Open |
| 1020 | 2018-10-24 | 44th Guernsey Open 2018 | Vale GCI | 4.4 | Harry Grieve | John E Curtis | 1/2-1/2 | 66 | Open |
| 1021 | 2018-10-23 | 44th Guernsey Open 2018 | Vale GCI | 3.1 | Oleg Korneev | Harry Grieve | 1-0 | 26 | Open |
| 1022 | 2018-10-22 | 44th Guernsey Open 2018 | Vale GCI | 2.5 | Pal Magnussen | Harry Grieve | 0-1 | 26 | Open |
| 1023 | 2018-10-21 | 44th Guernsey Open 2018 | Vale GCI | 1.5 | Harry Grieve | Rolf Dijksterhuis | 1-0 | 36 | Open |
| 1024 | 2018-08-14 | FSIM August 2018 | Budapest HUN | 11.2 | Harry Grieve | Albert Winkelman | 0-1 | 37 | Open |
| 1025 | 2018-08-13 | FSIM August 2018 | Budapest HUN | 10.5 | Robert S Eames | Harry Grieve | 0-1 | 41 | Open |
| 1026 | 2018-08-12 | FSIM August 2018 | Budapest HUN | 9.3 | Harry Grieve | Nhat Minh To | 0-1 | 51 | Open |
| 1027 | 2018-08-11 | FSIM August 2018 | Budapest HUN | 8.4 | Giulio Calavalle | Harry Grieve | 0-1 | 34 | Open |
| 1028 | 2018-08-10 | FSIM August 2018 | Budapest HUN | 7.4 | Harry Grieve | Nikhil Kumar | 1/2-1/2 | 23 | Open |
| 1029 | 2018-08-09 | FSIM August 2018 | Budapest HUN | 6.3 | Sandor Farago | Harry Grieve | 1-0 | 66 | Open |
| 1030 | 2018-08-08 | FSIM August 2018 | Budapest HUN | 5.5 | Harry Grieve | Evarth Dr. Kahn | 0-1 | 30 | Open |
| 1031 | 2018-08-07 | FSIM August 2018 | Budapest HUN | 4.2 | Rao S.V. Srinath | Harry Grieve | 0-1 | 40 | Open |
| 1032 | 2018-08-06 | FSIM August 2018 | Budapest HUN | 3.6 | Harry Grieve | Vincent Tsay | 1-0 | 70 | Open |
| 1033 | 2018-08-05 | FSIM August 2018 | Budapest HUN | 2.1 | Wojtek Sochacki | Harry Grieve | 0-1 | 77 | Open |
| 1034 | 2018-08-04 | FSIM August 2018 | Budapest HUN | 1.6 | Mark Lyell | Harry Grieve | 0-1 | 25 | Open |
| 1035 | 2017-11-05 | 16th 4NCL Congress 2017 | Coventry ENG | 5.13 | Martin P Burrows | Harry Grieve | 1-0 | 18 | Open |
| 1036 | 2017-11-05 | 16th 4NCL Congress 2017 | Coventry ENG | 4.6 | Harry Grieve | James R Adair | 0-1 | 60 | Open |
| 1037 | 2017-11-04 | 16th 4NCL Congress 2017 | Coventry ENG | 3.12 | Shabir Okhai | Harry Grieve | 0-1 | 53 | Open |
| 1038 | 2017-11-04 | 16th 4NCL Congress 2017 | Coventry ENG | 2.23 | Harry Grieve | Lennart Koehn | 1-0 | 42 | Open |
| 1039 | 2017-11-03 | 16th 4NCL Congress 2017 | Coventry ENG | 1.16 | Remy Rushbrooke | Harry Grieve | 1-0 | 70 | Open |
| 1040 | 2017-08-18 | 19th Sants Open 2017 | Barcelona ESP | 1.45 | Harry Grieve | Aziz Mert Erdogdu | 0-1 | 27 | Open |
| 1041 | 2017-08-03 | Dutch Open 2017 | Dieren NED | 9.23 | Harry Grieve | Renze Rietveld | 1/2-1/2 | 27 | Open |
| 1042 | 2017-07-29 | Dutch Open 2017 | Dieren NED | 5.23 | Jasper Beukema | Harry Grieve | 1-0 | 64 | Open |
| 1043 | 2017-07-28 | Dutch Open 2017 | Dieren NED | 4.17 | Harry Grieve | Max Warmerdam | 0-1 | 71 | Open |
| 1044 | 2017-07-27 | Dutch Open 2017 | Dieren NED | 3.22 | Harry Grieve | Ojas Kulkarni | 1-0 | 28 | Open |
| 1045 | 2017-07-16 | 14th 4NCL Congress 2017 | Wokefield ENG | 5.7 | Freddie Hand | Harry Grieve | 1-0 | 63 | Open |
| 1046 | 2017-07-16 | 14th 4NCL Congress 2017 | Wokefield ENG | 4.14 | Harry Grieve | Tim Hilton | 1-0 | 38 | Open |
| 1047 | 2017-07-15 | 14th 4NCL Congress 2017 | Wokefield ENG | 3.3 | William Claridge-Hansen | Harry Grieve | 1-0 | 42 | Open |
| 1048 | 2017-07-15 | 14th 4NCL Congress 2017 | Wokefield ENG | 2.15 | Gurveen Kapoor | Harry Grieve | 0-1 | 40 | Open |
| 1049 | 2017-07-14 | 14th 4NCL Congress 2017 | Wokefield ENG | 1.13 | Harry Grieve | Timothy Foster | 1/2-1/2 | 12 | Open |
| 1050 | 2016-08-05 | 103rd ch-GBR 2016 | Bournemouth ENG | 11.38 | Joseph Dalton | Harry Grieve | 0-1 | 18 | Open |
| 1051 | 2016-08-04 | 103rd ch-GBR 2016 | Bournemouth ENG | 10.4 | Harry Grieve | Ian C Clark | 1/2-1/2 | 41 | Open |
| 1052 | 2016-08-03 | 103rd ch-GBR 2016 | Bournemouth ENG | 9.42 | Meri Grigoryan | Harry Grieve | 0-1 | 32 | Open |
| 1053 | 2016-08-02 | 103rd ch-GBR 2016 | Bournemouth ENG | 8.4 | Harry Grieve | Shyam Jagdish Modi | 0-1 | 29 | Open |
| 1054 | 2016-08-01 | 103rd ch-GBR 2016 | Bournemouth ENG | 7.36 | Jeremy R Fallowfield | Harry Grieve | 1-0 | 68 | Open |
| 1055 | 2016-07-30 | 103rd ch-GBR 2016 | Bournemouth ENG | 6.37 | Roger D De Coverly | Harry Grieve | 1/2-1/2 | 40 | Open |
| 1056 | 2016-07-29 | 103rd ch-GBR 2016 | Bournemouth ENG | 5.42 | Harry Grieve | Leo A Keely | 1-0 | 62 | Open |
| 1057 | 2016-07-28 | 103rd ch-GBR 2016 | Bournemouth ENG | 4.4 | Roman Mitra | Harry Grieve | 1-0 | 57 | Open |
| 1058 | 2016-07-27 | 103rd ch-GBR 2016 | Bournemouth ENG | 3.4 | Harry Grieve | Nathan L Talbot | 1/2-1/2 | 51 | Open |
| 1059 | 2016-07-26 | 103rd ch-GBR 2016 | Bournemouth ENG | 2.34 | Dominic Klingher | Harry Grieve | 1-0 | 55 | Open |
| 1060 | 2016-07-25 | 103rd ch-GBR 2016 | Bournemouth ENG | 1.29 | Harry Grieve | Jack Rudd | 0-1 | 50 | Open |
| 1061 | 2016-04-10 | Colin Crouch Masters 2016 | London ENG | 9.14 | Harry Grieve | Sacha Brozel | 1/2-1/2 | 27 | Open |
| 1062 | 2016-04-09 | Colin Crouch Masters 2016 | London ENG | 8.12 | Patryk Stanisz | Harry Grieve | 1-0 | 27 | Open |
| 1063 | 2016-04-08 | Colin Crouch Masters 2016 | London ENG | 7.12 | Harry Grieve | Koby Kalavannan | 1/2-1/2 | 83 | Open |
| 1064 | 2016-04-07 | Colin Crouch Masters 2016 | London ENG | 6.14 | Clarence Psaila | Harry Grieve | 1/2-1/2 | 37 | Open |
| 1065 | 2016-04-06 | Colin Crouch Masters 2016 | London ENG | 5.15 | Harry Grieve | Daniel J Young | 1/2-1/2 | 18 | Open |
| 1066 | 2016-04-05 | Colin Crouch Masters 2016 | London ENG | 4.1 | Brian Tarhon | Harry Grieve | 1-0 | 26 | Open |
| 1067 | 2016-04-04 | Colin Crouch Masters 2016 | London ENG | 3.11 | Harry Grieve | Steven A Jones | 1/2-1/2 | 72 | Open |
| 1068 | 2016-04-03 | Colin Crouch Masters 2016 | London ENG | 2.16 | 3180937331982690520 | Harry Grieve | 0-1 | 62 | Open |
| 1069 | 2016-04-02 | Colin Crouch Masters 2016 | London ENG | 1.4 | Harry Grieve | Tamas Jr. Fodor | 0-1 | 39 | Open |
| 1070 | 2015-08-07 | 102nd ch-GBR 2015 | Coventry ENG | 11.24 | Peter Shaw | Harry Grieve | 1/2-1/2 | 31 | Open |
| 1071 | 2015-08-06 | 102nd ch-GBR 2015 | Coventry ENG | 10.19 | Harry Grieve | Oskar Anton Hackner | 0-1 | 25 | Open |
| 1072 | 2015-08-05 | 102nd ch-GBR 2015 | Coventry ENG | 9.15 | Steven A Jones | Harry Grieve | 1-0 | 58 | Open |
| 1073 | 2015-08-04 | 102nd ch-GBR 2015 | Coventry ENG | 8.2 | Harry Grieve | Allan J Pleasants | 1-0 | 53 | Open |
| 1074 | 2015-08-03 | 102nd ch-GBR 2015 | Coventry ENG | 7.28 | Harry Grieve | John Jarmany | 1-0 | 43 | Open |
| 1075 | 2015-08-01 | 102nd ch-GBR 2015 | Coventry ENG | 6.26 | David B Graham | Harry Grieve | 1/2-1/2 | 51 | Open |
| 1076 | 2015-07-31 | 102nd ch-GBR 2015 | Coventry ENG | 5.34 | Harry Grieve | John D Wager | 1-0 | 25 | Open |
| 1077 | 2015-07-30 | 102nd ch-GBR 2015 | Coventry ENG | 4.3 | Thomas Villiers | Harry Grieve | 1-0 | 40 | Open |
| 1078 | 2015-07-29 | 102nd ch-GBR 2015 | Coventry ENG | 3.25 | Harry Grieve | Clive L Waters | 1/2-1/2 | 50 | Open |
| 1079 | 2015-07-28 | 102nd ch-GBR 2015 | Coventry ENG | 2.24 | Paul G M Lam | Harry Grieve | 1-0 | 43 | Open |
| 1080 | 2015-07-27 | 102nd ch-GBR 2015 | Coventry ENG | 1.34 | Harry Grieve | Donald J Mason | 1/2-1/2 | 19 | Open |
| 1081 | 2015-06-21 | 4th Bournemouth Open 2015 | Bournemouth ENG | 5.8 | Moses Kawuma | Harry Grieve | 0-1 | 40 | Open |
| 1082 | 2015-06-21 | 4th Bournemouth Open 2015 | Bournemouth ENG | 4.12 | Harry Grieve | 8425853418694413632 | 1-0 | 53 | Open |
| 1083 | 2015-06-20 | 4th Bournemouth Open 2015 | Bournemouth ENG | 3.5 | Harry Grieve | Jane Richmond | 0-1 | 35 | Open |
| 1084 | 2015-06-20 | 4th Bournemouth Open 2015 | Bournemouth ENG | 2.14 | Jake Holton | Harry Grieve | 0-1 | 21 | Open |
| 1085 | 2014-10-25 | 40th Guernsey Open 2014 | Vale GCI | 7.8 | Harry Grieve | Stephen P Dilleigh | 1/2-1/2 | 12 | Open |
| 1086 | 2014-10-24 | 40th Guernsey Open 2014 | Vale GCI | 6.16 | Rowan M Brown | Harry Grieve | 0-1 | 124 | Open |
| 1087 | 2014-10-23 | 40th Guernsey Open 2014 | Vale GCI | 5.22 | Harry Grieve | Peter J. Kirby | 1-0 | 36 | Open |
| 1088 | 2014-10-22 | 40th Guernsey Open 2014 | Vale GCI | 4.15 | Thomas Lochte | Harry Grieve | 1-0 | 28 | Open |
| 1089 | 2014-10-21 | 40th Guernsey Open 2014 | Vale GCI | 3.2 | Harry Grieve | A.J. Fulton | 1-0 | 24 | Open |
| 1090 | 2014-10-20 | 40th Guernsey Open 2014 | Vale GCI | 2.1 | 1705644 | Harry Grieve | 1-0 | 47 | Open |
| 1091 | 2014-10-19 | 40th Guernsey Open 2014 | Vale GCI | 1.37 | Harry Grieve | David J Twitchell | 1-0 | 40 | Open |
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