Onno Elgersma
Country
NED
Birth Year
2004
Gender
M
Title
FIDE Master
FIDE ID
1053531
FIDE Rating
2369
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-02-01 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 9.1 | Johannes, Dr. Carow | Onno Elgersma | 1-0 | 44 | Open |
| 2 | 2026-01-31 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 8.4 | Onno Elgersma | Christian Gloeckler | 0-1 | 45 | Open |
| 3 | 2026-01-30 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 7.2 | Stefan Beukema | Onno Elgersma | 0-1 | 42 | Open |
| 4 | 2026-01-28 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 6.4 | Onno Elgersma | Machteld Van Foreest | 1-0 | 43 | Open |
| 5 | 2026-01-27 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 5.3 | Henry Edward Tudor | Onno Elgersma | 1-0 | 35 | Open |
| 6 | 2026-01-26 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 4.4 | Onno Elgersma | Stepan Hrbek | 0-1 | 65 | Open |
| 7 | 2026-01-25 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 3.2 | Luuk Baselmans | Onno Elgersma | 1/2-1/2 | 71 | Open |
| 8 | 2026-01-24 | Tata Steel Top Tienkamp | Wijk aan Zee NED | 2.2 | Onno Elgersma | Sohum Lohia | 1-0 | 66 | Open |
| 9 | 2025-12-30 | 61st Groningen Open 2025 | Groningen NED | 9.1 | Ritvik Krishnan | Onno Elgersma | 1-0 | 40 | Open |
| 10 | 2025-12-29 | 61st Groningen Open 2025 | Groningen NED | 8.14 | Onno Elgersma | Migchiel De Jong | 1-0 | 40 | Open |
| 11 | 2025-12-28 | 61st Groningen Open 2025 | Groningen NED | 7.1 | Rick Duijker | Onno Elgersma | 1-0 | 60 | Open |
| 12 | 2025-12-27 | 61st Groningen Open 2025 | Groningen NED | 6.13 | Onno Elgersma | Emil Frederick Schuricht | 1-0 | 67 | Open |
| 13 | 2025-12-26 | 61st Groningen Open 2025 | Groningen NED | 5.1 | Sjoerd Van Roon | Onno Elgersma | 1-0 | 51 | Open |
| 14 | 2025-12-24 | 61st Groningen Open 2025 | Groningen NED | 4.14 | Onno Elgersma | Joost Wempe | 1-0 | 37 | Open |
| 15 | 2025-12-23 | 61st Groningen Open 2025 | Groningen NED | 3.5 | Valery Kazakouski | Onno Elgersma | 1-0 | 31 | Open |
| 16 | 2025-12-22 | 61st Groningen Open 2025 | Groningen NED | 2.17 | Advaitt Srikant Koduri | Onno Elgersma | 0-1 | 51 | Open |
| 17 | 2025-12-21 | 61st Groningen Open 2025 | Groningen NED | 1.19 | Onno Elgersma | Alan Bakija | 1/2-1/2 | 65 | Open |
| 18 | 2025-11-22 | Dutch League 2025-26 | Netherlands NED | 4.6 | Christopher Brookes | Onno Elgersma | 1-0 | 64 | Open |
| 19 | 2025-11-01 | Dutch League 2025-26 | Netherlands NED | 3.4 | Onno Elgersma | Hugo Ten Hertog | 0-1 | 128 | Open |
| 20 | 2025-10-04 | Dutch League 2025-26 | Netherlands NED | 2.7 | Onno Elgersma | Sjef Rijnaarts | 1-0 | 38 | Open |
| 21 | 2025-09-20 | Dutch League 2025-26 | Netherlands NED | 1.9 | Atakan Sirin | Onno Elgersma | 1-0 | 36 | Open |
| 22 | 2025-07-30 | Dutch Open 2025 | Dieren NED | 9 | Nick Maatman | Onno Elgersma | 0-1 | 35 | Open |
| 23 | 2025-07-29 | Dutch Open 2025 | Dieren NED | 8 | Onno Elgersma | Eelke De Boer | 0-1 | 61 | Open |
| 24 | 2025-07-28 | Dutch Open 2025 | Dieren NED | 7 | Gabriel Flom | Onno Elgersma | 0-1 | 39 | Open |
| 25 | 2025-07-27 | Dutch Open 2025 | Dieren NED | 6 | Onno Elgersma | Luuk Baselmans | 1-0 | 42 | Open |
| 26 | 2025-07-26 | Dutch Open 2025 | Dieren NED | 5 | David Madularea | Onno Elgersma | 1/2-1/2 | 27 | Open |
| 27 | 2025-07-25 | Dutch Open 2025 | Dieren NED | 4 | Onno Elgersma | Rick Duijker | 1-0 | 34 | Open |
| 28 | 2025-07-24 | Dutch Open 2025 | Dieren NED | 3 | Sasa Albers | Onno Elgersma | 1/2-1/2 | 40 | Open |
| 29 | 2025-07-23 | Dutch Open 2025 | Dieren NED | 2 | Onno Elgersma | Joshua Eckardt | 1-0 | 27 | Open |
| 30 | 2025-07-22 | Dutch Open 2025 | Dieren NED | 1 | Bram Ten Dam | Onno Elgersma | 1/2-1/2 | 119 | Open |
| 31 | 2025-07-13 | Science Park Open A 2025 | Amsterdam NED | 9.6 | Rafael Goudriaan | Onno Elgersma | 1-0 | 50 | Open |
| 32 | 2025-07-12 | Science Park Open A 2025 | Amsterdam NED | 8.6 | Onno Elgersma | Achyuth Aravindhan | 1/2-1/2 | 71 | Open |
| 33 | 2025-07-11 | Science Park Open A 2025 | Amsterdam NED | 7.8 | Jurriaan Boeren | Onno Elgersma | 0-1 | 37 | Open |
| 34 | 2025-07-09 | Science Park Open A 2025 | Amsterdam NED | 5.1 | Michael Wunnink | Onno Elgersma | 1/2-1/2 | 52 | Open |
| 35 | 2025-07-08 | Science Park Open A 2025 | Amsterdam NED | 4.4 | Onno Elgersma | Gachatur Kazarjan | 0-1 | 61 | Open |
| 36 | 2025-07-07 | Science Park Open A 2025 | Amsterdam NED | 3.8 | Jose Padeiro | Onno Elgersma | 0-1 | 26 | Open |
| 37 | 2025-07-06 | Science Park Open A 2025 | Amsterdam NED | 2.2 | Onno Elgersma | Zhengke Zhou | 1/2-1/2 | 36 | Open |
| 38 | 2025-07-05 | Science Park Open A 2025 | Amsterdam NED | 1.3 | Diego Pascual | Onno Elgersma | 0-1 | 60 | Open |
| 39 | 2025-06-22 | HSG Open 2025 | Hilversum NED | 6.3 | Onno Elgersma | Chenwu Zhu | 1/2-1/2 | 83 | Open |
| 40 | 2025-06-22 | HSG Open 2025 | Hilversum NED | 5.5 | Oleg Iolis | Onno Elgersma | 0-1 | 57 | Open |
| 41 | 2025-06-21 | HSG Open 2025 | Hilversum NED | 4.9 | Gauti Pall Jonsson | Onno Elgersma | 0-1 | 33 | Open |
| 42 | 2025-06-20 | HSG Open 2025 | Hilversum NED | 1.5 | Onno Elgersma | Djad Maes | 1/2-1/2 | 46 | Open |
| 43 | 2025-06-09 | 17th BPB Limburg Open | Maastricht NED | 7.9 | Onno Elgersma | Mees Van Batenburg | 1-0 | 38 | Open |
| 44 | 2025-06-08 | 17th BPB Limburg Open | Maastricht NED | 4.1 | Roel Donker | Onno Elgersma | 1-0 | 62 | Open |
| 45 | 2025-06-07 | 17th BPB Limburg Open | Maastricht NED | 3.2 | Onno Elgersma | Benjamin Bok | 0-1 | 35 | Open |
| 46 | 2025-06-07 | 17th BPB Limburg Open | Maastricht NED | 2.9 | Joel Groenewoud | Onno Elgersma | 0-1 | 32 | Open |
| 47 | 2025-06-06 | 17th BPB Limburg Open | Maastricht NED | 1.11 | Onno Elgersma | Wouter Terlouw | 1-0 | 39 | Open |
| 48 | 2025-06-01 | 50th OKU 2025 | Utrecht NED | 6.5 | Joris Kokje | Onno Elgersma | 1-0 | 36 | Open |
| 49 | 2025-06-01 | 50th OKU 2025 | Utrecht NED | 5.6 | Onno Elgersma | Herman Grooten | 1-0 | 23 | Open |
| 50 | 2025-05-31 | 50th OKU 2025 | Utrecht NED | 4.11 | Selman Ercan | Onno Elgersma | 0-1 | 28 | Open |
| 51 | 2025-05-31 | 50th OKU 2025 | Utrecht NED | 3.11 | Sven Winter | Onno Elgersma | 1/2-1/2 | 73 | Open |
| 52 | 2025-05-29 | 1st Sofia Spring 2025 | Sofia BUL | 9.4 | Momchil Nikolov | Onno Elgersma | 0-1 | 41 | Open |
| 53 | 2025-05-28 | 1st Sofia Spring 2025 | Sofia BUL | 8.8 | Onno Elgersma | Antonios Gkavardinas | 1-0 | 41 | Open |
| 54 | 2025-05-27 | 1st Sofia Spring 2025 | Sofia BUL | 7.12 | Nikola Velikov | Onno Elgersma | 0-1 | 42 | Open |
| 55 | 2025-05-26 | 1st Sofia Spring 2025 | Sofia BUL | 6.8 | Onno Elgersma | Ritvik Krishnan | 0-1 | 65 | Open |
| 56 | 2025-05-26 | 1st Sofia Spring 2025 | Sofia BUL | 5.7 | Orel Ribstein | Onno Elgersma | 1/2-1/2 | 67 | Open |
| 57 | 2025-05-25 | 1st Sofia Spring 2025 | Sofia BUL | 4.1 | Onno Elgersma | Sasho Nikolov | 1-0 | 36 | Open |
| 58 | 2025-05-24 | 1st Sofia Spring 2025 | Sofia BUL | 3.15 | Umut Aydemir | Onno Elgersma | 0-1 | 58 | Open |
| 59 | 2025-05-24 | 1st Sofia Spring 2025 | Sofia BUL | 2.19 | Onno Elgersma | Kishore Kumar Jaganathan | 1/2-1/2 | 41 | Open |
| 60 | 2025-05-23 | 1st Sofia Spring 2025 | Sofia BUL | 1.8 | Jurriaan Boeren | Onno Elgersma | 1/2-1/2 | 42 | Open |
| 61 | 2025-05-10 | Dutch League 2024-25 | Netherlands NED | 9.3 | Tim Lammens | Onno Elgersma | 1/2-1/2 | 49 | Open |
| 62 | 2025-04-05 | Dutch League 2024-25 | Netherlands NED | 8.7 | Onno Elgersma | Sander Los | 0-1 | 39 | Open |
| 63 | 2025-03-08 | Dutch League 2024-25 | Netherlands NED | 7.7 | Philipp Leon Klaska | Onno Elgersma | 1-0 | 50 | Open |
| 64 | 2025-02-23 | 84th Noteboom Open | Leiden NED | 6.1 | Jan Smeets | Onno Elgersma | 1/2-1/2 | 77 | Open |
| 65 | 2025-02-23 | 84th Noteboom Open | Leiden NED | 5.1 | Onno Elgersma | Peter Lombaers | 1/2-1/2 | 61 | Open |
| 66 | 2025-02-22 | 84th Noteboom Open | Leiden NED | 4.2 | Twan Van der Togt | Onno Elgersma | 0-1 | 43 | Open |
| 67 | 2025-02-22 | 84th Noteboom Open | Leiden NED | 3.4 | Onno Elgersma | Joel Groenewoud | 1-0 | 34 | Open |
| 68 | 2025-02-22 | 84th Noteboom Open | Leiden NED | 2.4 | Hrdya Dinanath | Onno Elgersma | 0-1 | 35 | Open |
| 69 | 2025-02-21 | 84th Noteboom Open | Leiden NED | 1.6 | Onno Elgersma | Cesar Becx | 1-0 | 18 | Open |
| 70 | 2025-02-08 | Dutch League 2024-25 | Netherlands NED | 6.3 | Onno Elgersma | Sipke Ernst | 0-1 | 64 | Open |
| 71 | 2024-12-30 | 60th Groningen Open 2024 | Groningen NED | 9.6 | Casper Schoppen | Onno Elgersma | 1/2-1/2 | 7 | Open |
| 72 | 2024-12-29 | 60th Groningen Open 2024 | Groningen NED | 8.3 | Onno Elgersma | Nick Maatman | 0-1 | 35 | Open |
| 73 | 2024-12-28 | 60th Groningen Open 2024 | Groningen NED | 7.5 | Manish Anto Cristiano F | Onno Elgersma | 1/2-1/2 | 38 | Open |
| 74 | 2024-12-27 | 60th Groningen Open 2024 | Groningen NED | 6.6 | Onno Elgersma | Kobe Smeets | 1-0 | 47 | Open |
| 75 | 2024-12-26 | 60th Groningen Open 2024 | Groningen NED | 5.1 | Narayanan S L | Onno Elgersma | 1-0 | 51 | Open |
| 76 | 2024-12-24 | 60th Groningen Open 2024 | Groningen NED | 4.5 | Onno Elgersma | Andrii Palchuk | 1-0 | 23 | Open |
| 77 | 2024-12-23 | 60th Groningen Open 2024 | Groningen NED | 3.2 | Arthur De Winter | Onno Elgersma | 1/2-1/2 | 46 | Open |
| 78 | 2024-12-22 | 60th Groningen Open 2024 | Groningen NED | 2.1 | Bram Ten Dam | Onno Elgersma | 0-1 | 25 | Open |
| 79 | 2024-12-21 | 60th Groningen Open 2024 | Groningen NED | 1.19 | Onno Elgersma | Rob Van Helvoort | 1-0 | 44 | Open |
| 80 | 2024-12-14 | Dutch League 2024-25 | Netherlands NED | 5.8 | Onno Elgersma | Thomas Willemze | 1-0 | 46 | Open |
| 81 | 2024-11-23 | Dutch League 2024-25 | Netherlands NED | 4.9 | Thibaut Vandenbussche | Onno Elgersma | 0-1 | 52 | Open |
| 82 | 2024-11-09 | Dutch League 2024-25 | Netherlands NED | 3.5 | Onno Elgersma | Luuk Baselmans | 0-1 | 58 | Open |
| 83 | 2024-11-02 | 2nd Amsterdam Chess Open | Amsterdam NED | 3.7 | Onno Elgersma | Kai-Christian Bruns | 0-1 | 45 | Open |
| 84 | 2024-11-01 | 2nd Amsterdam Chess Open | Amsterdam NED | 2.8 | Gauti Pall Jonsson | Onno Elgersma | 1/2-1/2 | 59 | Open |
| 85 | 2024-10-12 | Dutch League 2024-25 | Netherlands NED | 2.7 | Helmut Cardon | Onno Elgersma | 0-1 | 27 | Open |
| 86 | 2024-09-21 | Dutch League 2024-25 | Netherlands NED | 1.8 | Niels Ondersteijn | Onno Elgersma | 1-0 | 52 | Open |
| 87 | 2024-08-16 | Bruges Masters Open 2024 | Bruges BEL | 9.2 | Patil Harshal | Onno Elgersma | 1-0 | 50 | Open |
| 88 | 2024-08-15 | Bruges Masters Open 2024 | Bruges BEL | 8.5 | Onno Elgersma | Jerrel Thakoerdien | 1-0 | 36 | Open |
| 89 | 2024-08-14 | Bruges Masters Open 2024 | Bruges BEL | 7.4 | Arne Nemegeer | Onno Elgersma | 1/2-1/2 | 46 | Open |
| 90 | 2024-08-13 | Bruges Masters Open 2024 | Bruges BEL | 6.1 | Onno Elgersma | Vahap Sanal | 0-1 | 38 | Open |
| 91 | 2024-08-13 | Bruges Masters Open 2024 | Bruges BEL | 5.2 | Onno Elgersma | Elias Ruzhansky | 1-0 | 88 | Open |
| 92 | 2024-08-12 | Bruges Masters Open 2024 | Bruges BEL | 4.2 | Merlijn Van Volsem | Onno Elgersma | 1/2-1/2 | 29 | Open |
| 93 | 2024-08-11 | Bruges Masters Open 2024 | Bruges BEL | 3.2 | Onno Elgersma | Andrea De Heug | 1-0 | 71 | Open |
| 94 | 2024-08-11 | Bruges Masters Open 2024 | Bruges BEL | 2.2 | Fabio De Block | Onno Elgersma | 0-1 | 31 | Open |
| 95 | 2024-08-10 | Bruges Masters Open 2024 | Bruges BEL | 1.3 | Onno Elgersma | Youri Legein | 1-0 | 38 | Open |
| 96 | 2024-07-18 | Science Park Open A 2024 | Amsterdam NED | 6.6 | Onno Elgersma | Michael Wunnink | 1/2-1/2 | 19 | Open |
| 97 | 2024-07-17 | Science Park Open A 2024 | Amsterdam NED | 5.4 | Onno Elgersma | Robin Duson | 1/2-1/2 | 87 | Open |
| 98 | 2024-07-16 | Science Park Open A 2024 | Amsterdam NED | 4.3 | Sierk Kanis | Onno Elgersma | 1/2-1/2 | 64 | Open |
| 99 | 2024-07-15 | Science Park Open A 2024 | Amsterdam NED | 3.2 | Kristian Dimitrijeski | Onno Elgersma | 1/2-1/2 | 55 | Open |
| 100 | 2024-07-14 | Science Park Open A 2024 | Amsterdam NED | 2.4 | Onno Elgersma | Joel Groenewoud | 1-0 | 36 | Open |
| 101 | 2024-07-06 | 17th Paracin Open A 2024 | Paracin SRB | 5.22 | Onno Elgersma | Alok Sinha | 1/2-1/2 | 31 | Open |
| 102 | 2024-07-06 | 17th Paracin Open A 2024 | Paracin SRB | 4.22 | Kangmin Zhong | Onno Elgersma | 1/2-1/2 | 38 | Open |
| 103 | 2024-07-05 | 17th Paracin Open A 2024 | Paracin SRB | 3.31 | Onno Elgersma | Baris Cinar Sahbudak | 1-0 | 60 | Open |
| 104 | 2024-07-04 | 17th Paracin Open A 2024 | Paracin SRB | 2.43 | Jovan Kisic | Onno Elgersma | 0-1 | 33 | Open |
| 105 | 2024-07-03 | 17th Paracin Open A 2024 | Paracin SRB | 1.35 | Onno Elgersma | Nikolay Vasilkov | 0-1 | 19 | Open |
| 106 | 2024-06-30 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 9.4 | Onno Elgersma | Vadim Afanasiev | 1-0 | 40 | Open |
| 107 | 2024-06-29 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 8.4 | Ilshat Valitov | Onno Elgersma | 0-1 | 46 | Open |
| 108 | 2024-06-28 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 7.2 | Onno Elgersma | Bhattacharyya Soham | 1/2-1/2 | 36 | Open |
| 109 | 2024-06-27 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 6.1 | Onno Elgersma | Erdenebayar Khuslen | 0-1 | 47 | Open |
| 110 | 2024-06-26 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 5.1 | Sasa Albers | Onno Elgersma | 1/2-1/2 | 41 | Open |
| 111 | 2024-06-25 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 4.1 | Onno Elgersma | Uros Slavkovic | 1-0 | 49 | Open |
| 112 | 2024-06-24 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 3.2 | Pavel S. Dvalishvili | Onno Elgersma | 0-1 | 39 | Open |
| 113 | 2024-06-24 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 2.3 | Onno Elgersma | Alexandr Granovskiy | 1/2-1/2 | 22 | Open |
| 114 | 2024-06-23 | Silver Lake Open A 2024 | Veliko Gradiste SRB | 1.3 | Ivan Tisma | Onno Elgersma | 0-1 | 43 | Open |
| 115 | 2024-05-20 | 16th BPB Limburg Open | Maastricht NED | 7.4 | Onno Elgersma | Koen Leenhouts | 1/2-1/2 | 62 | Open |
| 116 | 2024-05-20 | 16th BPB Limburg Open | Maastricht NED | 6.5 | Anthony Wirig | Onno Elgersma | 1/2-1/2 | 26 | Open |
| 117 | 2024-05-19 | 16th BPB Limburg Open | Maastricht NED | 4.4 | Onno Elgersma | Maxime Lagarde | 1/2-1/2 | 18 | Open |
| 118 | 2024-05-12 | Groninger Combinatie Open | Groningen NED | 7.1 | Onno Elgersma | Machteld Van Foreest | 0-1 | 57 | Open |
| 119 | 2024-05-12 | Groninger Combinatie Open | Groningen NED | 6.3 | Onno Elgersma | Jouke Bakker | 1/2-1/2 | 60 | Open |
| 120 | 2024-05-11 | Groninger Combinatie Open | Groningen NED | 5.1 | Andrii Palchuk | Onno Elgersma | 1/2-1/2 | 35 | Open |
| 121 | 2024-05-11 | Groninger Combinatie Open | Groningen NED | 4.3 | Hicham Boulahfa | Onno Elgersma | 0-1 | 62 | Open |
| 122 | 2024-05-10 | Groninger Combinatie Open | Groningen NED | 3.4 | Onno Elgersma | Xaveer Blok | 1-0 | 68 | Open |
| 123 | 2024-05-10 | Groninger Combinatie Open | Groningen NED | 2.4 | Tommy Grooten | Onno Elgersma | 1/2-1/2 | 78 | Open |
| 124 | 2024-05-09 | Groninger Combinatie Open | Groningen NED | 1.4 | Onno Elgersma | Adrian Clemens | 1-0 | 36 | Open |
| 125 | 2024-04-20 | Dutch League 2023-24 | Netherlands NED | 9.3 | Yong Hoon De Rover | Onno Elgersma | 1/2-1/2 | 16 | Open |
| 126 | 2024-04-11 | 9th Noisiel Open 2024 | Noisiel FRA | 9.5 | Piotr Nguyen | Onno Elgersma | 1-0 | 69 | Open |
| 127 | 2024-04-09 | 9th Noisiel Open 2024 | Noisiel FRA | 6.8 | Onno Elgersma | Priansh Das | 1/2-1/2 | 86 | Open |
| 128 | 2024-04-09 | 9th Noisiel Open 2024 | Noisiel FRA | 5.9 | Cathal Keenan | Onno Elgersma | 1/2-1/2 | 57 | Open |
| 129 | 2024-04-07 | 9th Noisiel Open 2024 | Noisiel FRA | 3.3 | Anatole Vlachos | Onno Elgersma | 1-0 | 54 | Open |
| 130 | 2024-03-31 | GRENKE Chess Open 2024 | Karlsruhe GER | 7.31 | Leonardo Costa | Onno Elgersma | 1-0 | 46 | Open |
| 131 | 2024-03-26 | Titled Tue 26th Mar Early | chess.com INT | 6 | Marharyta Novikova | Onno Elgersma | 1-0 | 60 | Open |
| 132 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 6 | Han Schut | Onno Elgersma | 1-0 | 28 | Open |
| 133 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 5 | Juri Dovzik | Onno Elgersma | 0-1 | 31 | Open |
| 134 | 2024-03-24 | TCh-BEL 2023-24 | Belgium BEL | 10.6 | Hans Groffen | Onno Elgersma | 0-1 | 43 | Open |
| 135 | 2024-03-23 | Dutch League 2023-24 | Netherlands NED | 8.6 | Rob Schoorl | Onno Elgersma | 0-1 | 64 | Open |
| 136 | 2024-03-02 | Dutch League 2023-24 | Netherlands NED | 7.5 | Kai Spriestersbach | Onno Elgersma | 1-0 | 51 | Open |
| 137 | 2024-02-13 | Titled Tue 13th Feb Early | chess.com INT | 8 | Alen Yeremyan | Onno Elgersma | 1-0 | 59 | Open |
| 138 | 2024-02-13 | Titled Tue 13th Feb Early | chess.com INT | 7 | Onno Elgersma | Radoslaw Szczepanek | 1-0 | 25 | Open |
| 139 | 2024-02-13 | Titled Tue 13th Feb Early | chess.com INT | 6 | Onno Elgersma | Judah Nathan Levitan | 1-0 | 23 | Open |
| 140 | 2024-02-13 | Titled Tue 13th Feb Early | chess.com INT | 5 | Andres Carrasco Miranda | Onno Elgersma | 0-1 | 27 | Open |
| 141 | 2024-02-13 | Titled Tue 13th Feb Early | chess.com INT | 4 | Onno Elgersma | Felix Rose | 1-0 | 36 | Open |
| 142 | 2024-02-13 | Titled Tue 13th Feb Early | chess.com INT | 3 | John Merriman | Onno Elgersma | 1-0 | 34 | Open |
| 143 | 2024-02-04 | TCh-BEL 2023-24 | Belgium BEL | 7.8 | Onno Elgersma | Fausto Battistelli | 1-0 | 31 | Open |
| 144 | 2024-02-03 | Dutch League 2023-24 | Netherlands NED | 6.9 | Onno Elgersma | Arthur Van de Oudeweetering | 1-0 | 59 | Open |
| 145 | 2023-12-30 | 59th Groningen Open 2023 | Groningen NED | 9.14 | Onno Elgersma | Machteld Van Foreest | 0-1 | 39 | Open |
| 146 | 2023-12-29 | 59th Groningen Open 2023 | Groningen NED | 8.13 | Michal Krasenkow | Onno Elgersma | 1/2-1/2 | 80 | Open |
| 147 | 2023-12-28 | 59th Groningen Open 2023 | Groningen NED | 7.18 | Onno Elgersma | Rob Van Helvoort | 1-0 | 71 | Open |
| 148 | 2023-12-27 | 59th Groningen Open 2023 | Groningen NED | 6.17 | Teimur Toktomushev | Onno Elgersma | 1/2-1/2 | 40 | Open |
| 149 | 2023-12-26 | 59th Groningen Open 2023 | Groningen NED | 5.18 | Onno Elgersma | Amir Nicolai | 1/2-1/2 | 55 | Open |
| 150 | 2023-12-24 | 59th Groningen Open 2023 | Groningen NED | 4.17 | Trisha Kanyamarala | Onno Elgersma | 1/2-1/2 | 62 | Open |
| 151 | 2023-12-23 | 59th Groningen Open 2023 | Groningen NED | 3.8 | Onno Elgersma | Sergei Tiviakov | 0-1 | 42 | Open |
| 152 | 2023-12-22 | 59th Groningen Open 2023 | Groningen NED | 2.4 | Titas Stremavicius | Onno Elgersma | 1/2-1/2 | 32 | Open |
| 153 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 4 | Julien Dubreuil | Onno Elgersma | 1-0 | 66 | Open |
| 154 | 2023-12-10 | 5th Rome City Masters | Rome ITA | 9.1 | Onno Elgersma | Roberto Carlos Gomez Ledo | 1/2-1/2 | 40 | Open |
| 155 | 2023-12-08 | 5th Rome City Masters | Rome ITA | 7.7 | Onno Elgersma | Krishna C R G | 0-1 | 45 | Open |
| 156 | 2023-12-07 | 5th Rome City Masters | Rome ITA | 6.4 | Dhulipalla Bala Chandra Prasad | Onno Elgersma | 1-0 | 72 | Open |
| 157 | 2023-12-07 | 5th Rome City Masters | Rome ITA | 5.6 | Onno Elgersma | Vignesh N R | 1-0 | 25 | Open |
| 158 | 2023-12-06 | 5th Rome City Masters | Rome ITA | 4.15 | Dhruva Thota | Onno Elgersma | 0-1 | 32 | Open |
| 159 | 2023-12-05 | 5th Rome City Masters | Rome ITA | 3.17 | Emanuele Pacilli | Onno Elgersma | 0-1 | 30 | Open |
| 160 | 2023-12-05 | 5th Rome City Masters | Rome ITA | 2.1 | Onno Elgersma | Emre Can | 0-1 | 27 | Open |
| 161 | 2023-11-25 | Dutch League 2023-24 | Netherlands NED | 4.9 | Joost Wempe | Onno Elgersma | 0-1 | 42 | Open |
| 162 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 8 | Onno Elgersma | Rodrigo Vasquez Schroeder | 0-1 | 47 | Open |
| 163 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 7 | Onno Elgersma | Dmitry Tatarinov | 1-0 | 45 | Open |
| 164 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 6 | Bojan Maksimovic | Onno Elgersma | 0-1 | 53 | Open |
| 165 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 5 | Lucian Nita | Onno Elgersma | 0-1 | 36 | Open |
| 166 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 4 | Onno Elgersma | Mahdi Gholami Orimi | 0-1 | 42 | Open |
| 167 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 3 | Onno Elgersma | Campo Elias Guzman Lozano | 1-0 | 38 | Open |
| 168 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 2 | Thomas Beerdsen | Onno Elgersma | 1-0 | 36 | Open |
| 169 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 1 | Reegan Palmer | Onno Elgersma | 0-1 | 32 | Open |
| 170 | 2023-11-04 | Dutch League 2023-24 | Netherlands NED | 3.7 | Onno Elgersma | Michel De Wit | 1-0 | 54 | Open |
| 171 | 2023-10-28 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 9.1 | Lorenzo Lodici | Onno Elgersma | 1-0 | 55 | Open |
| 172 | 2023-10-27 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 8.4 | Onno Elgersma | Gachatur Kazarjan | 1-0 | 21 | Open |
| 173 | 2023-10-26 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 7.7 | Onno Elgersma | Sebastian Mueer | 1-0 | 30 | Open |
| 174 | 2023-10-25 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 6.5 | Machteld Van Foreest | Onno Elgersma | 1/2-1/2 | 66 | Open |
| 175 | 2023-10-25 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 5.3 | Sipke Ernst | Onno Elgersma | 1-0 | 37 | Open |
| 176 | 2023-10-24 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 4.5 | Onno Elgersma | Nick Maatman | 1-0 | 40 | Open |
| 177 | 2023-10-23 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 3.7 | Onno Elgersma | Ron Hoffman | 1-0 | 39 | Open |
| 178 | 2023-10-22 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 2.11 | Brian Nijdam | Onno Elgersma | 0-1 | 73 | Open |
| 179 | 2023-10-21 | 26th Hoogeveen Open 2023 | Hoogeveen NED | 1.12 | Rik Van Rootselaar | Onno Elgersma | 1-0 | 68 | Open |
| 180 | 2023-10-15 | TCh-BEL 2023-24 | Belgium BEL | 2.7 | Yen Peeren | Onno Elgersma | 1-0 | 35 | Open |
| 181 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 3 | Onno Elgersma | Aung Thant Zin | 1/2-1/2 | 96 | Open |
| 182 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 2 | Max Gedajlovic | Onno Elgersma | 1-0 | 85 | Open |
| 183 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 1 | Andrey Drygalov | Onno Elgersma | 0-1 | 54 | Open |
| 184 | 2023-10-07 | Dutch League 2023-24 | Netherlands NED | 2.1 | Onno Elgersma | Annmarie Muetsch | 1-0 | 41 | Open |
| 185 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 8 | Onno Elgersma | Sabar Ethmane Daouda | 0-1 | 0 | Open |
| 186 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 6 | Gabriel Garmendia Vega | Onno Elgersma | 1-0 | 33 | Open |
| 187 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 5 | Onno Elgersma | Oscar Humberto Ardila | 0-1 | 35 | Open |
| 188 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 4 | Jennifer Perez Rodriguez | Onno Elgersma | 1-0 | 64 | Open |
| 189 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 3 | Onno Elgersma | Alberto Hernandez Leon | 1/2-1/2 | 66 | Open |
| 190 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 2 | Daniel Dardha | Onno Elgersma | 1-0 | 61 | Open |
| 191 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 1 | Alexander Alexikov | Onno Elgersma | 0-1 | 53 | Open |
| 192 | 2023-09-24 | TCh-BEL 2023-24 | Belgium BEL | 1.8 | Eddy Van Espen | Onno Elgersma | 0-1 | 17 | Open |
| 193 | 2023-09-16 | Dutch League 2023-24 | Netherlands NED | 1.8 | Michiel Bosman | Onno Elgersma | 1/2-1/2 | 50 | Open |
| 194 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 9 | Artak Manukian | Onno Elgersma | 1/2-1/2 | 46 | Open |
| 195 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 8 | Onno Elgersma | Leo Valle Luis | 1/2-1/2 | 87 | Open |
| 196 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 7 | Etienne Bacrot | Onno Elgersma | 1-0 | 42 | Open |
| 197 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 7 | Onno Elgersma | Gata Kamsky | 0-1 | 34 | Open |
| 198 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 6 | Alfonso Llorente Zaro | Onno Elgersma | 0-1 | 22 | Open |
| 199 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 6 | Onno Elgersma | Benedikt Dauner | 1-0 | 59 | Open |
| 200 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 5 | Zozek Salah Mohammed | Onno Elgersma | 0-1 | 33 | Open |
| 201 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 5 | Gaurav Rajesh Zagade | Onno Elgersma | 0-1 | 66 | Open |
| 202 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 4 | Onno Elgersma | Lucas Foerster-Yialamas | 0-1 | 18 | Open |
| 203 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 4 | Onno Elgersma | Artem Galaktionov | 1/2-1/2 | 66 | Open |
| 204 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 3 | Masruri Rahman | Onno Elgersma | 1-0 | 33 | Open |
| 205 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 3 | Ivan Kubatko | Onno Elgersma | 0-1 | 48 | Open |
| 206 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 2 | Onno Elgersma | Evgeniy Burmakin | 1-0 | 33 | Open |
| 207 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 2 | Onno Elgersma | Sergey Grigoriants | 0-1 | 57 | Open |
| 208 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 1 | Leancy B. Fernandez Bustamante | Onno Elgersma | 1/2-1/2 | 45 | Open |
| 209 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 1 | Onno Elgersma | Jaime Vaglio Munoz | 1-0 | 36 | Open |
| 210 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 10 | Onno Elgersma | Matthias Dann | 0-1 | 62 | Open |
| 211 | 2023-08-15 | Bruges Masters 2023 | Bruges BEL | 6.8 | Bas De Boer | Onno Elgersma | 1/2-1/2 | 27 | Open |
| 212 | 2023-08-12 | 25th HZ Open 2023 | Vlissingen NED | 9.12 | Onno Elgersma | Yu(HLJ) Hu | 1-0 | 43 | Open |
| 213 | 2023-08-10 | 25th HZ Open 2023 | Vlissingen NED | 7.1 | Onno Elgersma | Khoi Pham | 0-1 | 48 | Open |
| 214 | 2023-08-06 | 25th HZ Open 2023 | Vlissingen NED | 3.4 | Onno Elgersma | Liam Vrolijk | 0-1 | 39 | Open |
| 215 | 2023-07-23 | Science Park Open A 2023 | Amsterdam NED | 9.5 | Sierk Kanis | Onno Elgersma | 1-0 | 67 | Open |
| 216 | 2023-07-22 | Science Park Open A 2023 | Amsterdam NED | 8.4 | Onno Elgersma | Merijn Van Delft | 1/2-1/2 | 37 | Open |
| 217 | 2023-07-21 | Science Park Open A 2023 | Amsterdam NED | 7.7 | Jimmy Van Zutphen | Onno Elgersma | 0-1 | 35 | Open |
| 218 | 2023-07-20 | Science Park Open A 2023 | Amsterdam NED | 6.2 | Nico Zwirs | Onno Elgersma | 1-0 | 51 | Open |
| 219 | 2023-07-19 | Science Park Open A 2023 | Amsterdam NED | 5.6 | Onno Elgersma | Ed Baarslag | 1-0 | 50 | Open |
| 220 | 2023-07-18 | Science Park Open A 2023 | Amsterdam NED | 4.8 | Nick Manshanden | Onno Elgersma | 0-1 | 44 | Open |
| 221 | 2023-07-16 | Science Park Open A 2023 | Amsterdam NED | 2.6 | Max Merbis | Onno Elgersma | 1-0 | 32 | Open |
| 222 | 2023-07-15 | Science Park Open A 2023 | Amsterdam NED | 1.8 | Onno Elgersma | Noah Ritzerveld | 1-0 | 50 | Open |
| 223 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 8 | Onno Elgersma | Tommi Luukkonen | 0-1 | 35 | Open |
| 224 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 7 | Mikhail Bryakin | Onno Elgersma | 1-0 | 41 | Open |
| 225 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 6 | Onno Elgersma | Giovanni Marchesich | 1-0 | 29 | Open |
| 226 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 5 | Onno Elgersma | Fernando Lopez Gracia | 1-0 | 16 | Open |
| 227 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 4 | Etienne Bacrot | Onno Elgersma | 1-0 | 49 | Open |
| 228 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 3 | Onno Elgersma | Stefan Eilers | 1-0 | 48 | Open |
| 229 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 2 | Denis Makhnev | Onno Elgersma | 1-0 | 22 | Open |
| 230 | 2023-06-27 | Titled Tue 27th Jun Early | chess.com INT | 1 | Onno Elgersma | Daria Zaichenko | 1-0 | 46 | Open |
| 231 | 2023-06-25 | HSG Open 2023 | Hilversum NED | 6.12 | Onno Elgersma | Jan Roebers | 1/2-1/2 | 75 | Open |
| 232 | 2023-05-23 | Titled Tue 23rd May Late | chess.com INT | 3 | Wojciech Smieszek | Onno Elgersma | 1-0 | 50 | Open |
| 233 | 2023-04-30 | TCh-BEL 2022-23 | Belgium BEL | 11.1 | Thibaut Vandenbussche | Onno Elgersma | 1-0 | 28 | Open |
| 234 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 7 | Xiangyi Liu | Onno Elgersma | 1-0 | 50 | Open |
| 235 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 6 | Onno Elgersma | Alexander Donchenko | 0-1 | 89 | Open |
| 236 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 5 | Milosz Szpar | Onno Elgersma | 0-1 | 110 | Open |
| 237 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 4 | Onno Elgersma | Dennis Wagner | 1-0 | 44 | Open |
| 238 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 3 | Aleksandra Tarnowska | Onno Elgersma | 0-1 | 35 | Open |
| 239 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 2 | Onno Elgersma | Roger Derichs | 1-0 | 30 | Open |
| 240 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 1 | Feliks Tulchynskyi | Onno Elgersma | 1-0 | 37 | Open |
| 241 | 2023-04-22 | Dutch League 2022-23 | Netherlands NED | 9.7 | Steven Geirnaert | Onno Elgersma | 0-1 | 61 | Open |
| 242 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 9 | John Daniel Bryant | Onno Elgersma | 1-0 | 8 | Open |
| 243 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 8 | Onno Elgersma | Luis Fernandez Siles | 1-0 | 36 | Open |
| 244 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 7 | Onno Elgersma | Ihor Samunenkov | 0-1 | 31 | Open |
| 245 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 6 | Gabor Nagy | Onno Elgersma | 1-0 | 96 | Open |
| 246 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 5 | Tykhon Cherniaiev | Onno Elgersma | 0-1 | 57 | Open |
| 247 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 4 | Onno Elgersma | Daria Zaichenko | 1-0 | 67 | Open |
| 248 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 3 | Kagan Aydincelebi | Onno Elgersma | 1-0 | 56 | Open |
| 249 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 2 | Onno Elgersma | Anysia Thomas | 1-0 | 43 | Open |
| 250 | 2023-04-18 | Titled Tue 18th Apr Early | chess.com INT | 1 | Andres Camilo Rodriguez Lopez | Onno Elgersma | 1/2-1/2 | 56 | Open |
| 251 | 2023-04-01 | Dutch League 2022-23 | Netherlands NED | 8.5 | Onno Elgersma | Jan Smeets | 1-0 | 36 | Open |
| 252 | 2023-03-19 | TCh-BEL 2022-23 | Belgium BEL | 9.1 | Philippe Bezsilko | Onno Elgersma | 0-1 | 23 | Open |
| 253 | 2023-03-11 | Dutch League 2022-23 | Netherlands NED | 7.9 | Gino De Mon | Onno Elgersma | 0-1 | 20 | Open |
| 254 | 2023-02-12 | TCh-BEL 2022-23 | Belgium BEL | 7.6 | Bram Van den Berg | Onno Elgersma | 0-1 | 0 | Open |
| 255 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 8 | Ramon Jr. Manon-og | Onno Elgersma | 1-0 | 47 | Open |
| 256 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 7 | Onno Elgersma | Josefine Safarli | 1-0 | 45 | Open |
| 257 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 6 | Onno Elgersma | Yahli Sokolovsky | 0-1 | 40 | Open |
| 258 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 5 | Aung Thant Zin | Onno Elgersma | 0-1 | 20 | Open |
| 259 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 4 | Qingyu Yuan | Onno Elgersma | 1-0 | 48 | Open |
| 260 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 3 | Alban Delorme | Onno Elgersma | 1/2-1/2 | 48 | Open |
| 261 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 2 | Onno Elgersma | Carlos Daniel Albornoz Cabrera | 0-1 | 39 | Open |
| 262 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 1 | Claudius-Thomas Gottstein | Onno Elgersma | 0-1 | 43 | Open |
| 263 | 2022-12-30 | 58th Groningen Open 2022 | Groningen NED | 9.1 | Onno Elgersma | Pedagandham Saketh | 1/2-1/2 | 14 | Open |
| 264 | 2022-12-29 | 58th Groningen Open 2022 | Groningen NED | 8.6 | Arthur De Winter | Onno Elgersma | 1-0 | 45 | Open |
| 265 | 2022-12-28 | 58th Groningen Open 2022 | Groningen NED | 7.9 | Onno Elgersma | Daan Noordenbos | 1-0 | 54 | Open |
| 266 | 2022-12-27 | 58th Groningen Open 2022 | Groningen NED | 6.12 | Roger Labruyere | Onno Elgersma | 0-1 | 44 | Open |
| 267 | 2022-12-26 | 58th Groningen Open 2022 | Groningen NED | 5.1 | Ronit Levitan | Onno Elgersma | 1-0 | 95 | Open |
| 268 | 2022-12-24 | 58th Groningen Open 2022 | Groningen NED | 4.3 | Onno Elgersma | Alexander Kovchan | 0-1 | 51 | Open |
| 269 | 2022-12-23 | 58th Groningen Open 2022 | Groningen NED | 3.11 | Onno Elgersma | Cocoro Matsumura | 1-0 | 33 | Open |
| 270 | 2022-12-22 | 58th Groningen Open 2022 | Groningen NED | 2.2 | Hagen Poetsch | Onno Elgersma | 1-0 | 34 | Open |
| 271 | 2022-12-17 | Dutch League 2022-23 | Netherlands NED | 5.1 | Nikolas Lubbe | Onno Elgersma | 1/2-1/2 | 73 | Open |
| 272 | 2022-11-26 | Dutch League 2022-23 | Netherlands NED | 4.8 | Fitzgerald Krudde | Onno Elgersma | 0-1 | 40 | Open |
| 273 | 2022-11-20 | TCh-BEL 2022-23 | Belgium BEL | 4.5 | Martin Ahn | Onno Elgersma | 1-0 | 63 | Open |
| 274 | 2022-11-06 | TCh-BEL 2022-23 | Belgium BEL | 3.6 | Onno Elgersma | Mehdi Roger | 1/2-1/2 | 32 | Open |
| 275 | 2022-11-05 | Dutch League 2022-23 | Netherlands NED | 3.8 | Onno Elgersma | Sjef Rijnaarts | 0-1 | 39 | Open |
| 276 | 2022-10-22 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 9.7 | Onno Elgersma | William Shakhverdian | 1-0 | 41 | Open |
| 277 | 2022-10-21 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 8.12 | Jurriaan Boeren | Onno Elgersma | 0-1 | 78 | Open |
| 278 | 2022-10-20 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 7.8 | Onno Elgersma | Tamer Ismail | 0-1 | 67 | Open |
| 279 | 2022-10-19 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 6.11 | Sona Asatryan | Onno Elgersma | 1/2-1/2 | 27 | Open |
| 280 | 2022-10-19 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 5.8 | Onno Elgersma | Adrian Clemens | 1/2-1/2 | 63 | Open |
| 281 | 2022-10-18 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 4.2 | Bharath Subramaniyam H | Onno Elgersma | 1-0 | 64 | Open |
| 282 | 2022-10-17 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 3.7 | Onno Elgersma | Hari Charan Sai Kalluri | 1-0 | 54 | Open |
| 283 | 2022-10-16 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 2.12 | Adrian Mensing | Onno Elgersma | 0-1 | 38 | Open |
| 284 | 2022-10-15 | 25th Hoogeveen Open 2022 | Hoogeveen NED | 1.13 | Onno Elgersma | Brian Nijdam | 1-0 | 28 | Open |
| 285 | 2022-09-17 | Dutch League 2022-23 | Netherlands NED | 1.5 | Onno Elgersma | Demre Kerigan | 0-1 | 75 | Open |
| 286 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 8 | Humberto L. Blanco Ronquillo | Onno Elgersma | 1-0 | 43 | Open |
| 287 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 7 | Onno Elgersma | Asa Hoffmann | 1-0 | 42 | Open |
| 288 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 6 | Alon Mindlin | Onno Elgersma | 1-0 | 24 | Open |
| 289 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 5 | Onno Elgersma | Pablo Glavina | 1-0 | 41 | Open |
| 290 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 4 | Onno Elgersma | Ansh M Shah | 1-0 | 29 | Open |
| 291 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 3 | Yoel Estarling Polanco Nunez | Onno Elgersma | 0-1 | 0 | Open |
| 292 | 2022-08-19 | Bruges Masters 2022 | Bruges BEL | 9.3 | Onno Elgersma | Gilian Honkoop | 1-0 | 31 | Open |
| 293 | 2022-08-18 | Bruges Masters 2022 | Bruges BEL | 8.1 | Vyacheslav Ikonnikov | Onno Elgersma | 1/2-1/2 | 39 | Open |
| 294 | 2022-08-17 | Bruges Masters 2022 | Bruges BEL | 7.3 | Onno Elgersma | Jan Jaap Janse | 1-0 | 47 | Open |
| 295 | 2022-08-16 | Bruges Masters 2022 | Bruges BEL | 6.2 | Onno Elgersma | Koen Leenhouts | 1-0 | 39 | Open |
| 296 | 2022-08-16 | Bruges Masters 2022 | Bruges BEL | 5.1 | James Moreby | Onno Elgersma | 1-0 | 54 | Open |
| 297 | 2022-08-15 | Bruges Masters 2022 | Bruges BEL | 4.2 | Onno Elgersma | Elias Ruzhansky | 1-0 | 116 | Open |
| 298 | 2022-08-14 | Bruges Masters 2022 | Bruges BEL | 3.2 | Denis Luminet | Onno Elgersma | 0-1 | 43 | Open |
| 299 | 2022-08-14 | Bruges Masters 2022 | Bruges BEL | 2.5 | Onno Elgersma | Christian Stevens | 1-0 | 36 | Open |
| 300 | 2022-08-04 | Dutch Open 2022 | Dieren NED | 9.3 | Onno Elgersma | Sjoerd Van Roon | 0-1 | 52 | Open |
| 301 | 2022-08-03 | Dutch Open 2022 | Dieren NED | 8.7 | Manukonda Arun | Onno Elgersma | 0-1 | 29 | Open |
| 302 | 2022-08-02 | Dutch Open 2022 | Dieren NED | 7.6 | Onno Elgersma | Peter Ypma | 1/2-1/2 | 108 | Open |
| 303 | 2022-08-01 | Dutch Open 2022 | Dieren NED | 6.6 | Thomas Mollema | Onno Elgersma | 1/2-1/2 | 46 | Open |
| 304 | 2022-07-30 | Dutch Open 2022 | Dieren NED | 5.1 | Onno Elgersma | Rick Lahaye | 0-1 | 61 | Open |
| 305 | 2022-07-29 | Dutch Open 2022 | Dieren NED | 4.2 | Arthur De Winter | Onno Elgersma | 1/2-1/2 | 65 | Open |
| 306 | 2022-07-28 | Dutch Open 2022 | Dieren NED | 3.2 | Onno Elgersma | Tim Grutter | 1/2-1/2 | 64 | Open |
| 307 | 2022-07-27 | Dutch Open 2022 | Dieren NED | 2.4 | Onno Elgersma | Rembrandt Bruil | 1-0 | 0 | Open |
| 308 | 2022-07-26 | Dutch Open 2022 | Dieren NED | 1.8 | Bas De Boer | Onno Elgersma | 0-1 | 28 | Open |
| 309 | 2022-07-19 | 49th Sparkassen Open | Dortmund GER | 4.5 | Onno Elgersma | Andreas Heimann | 0-1 | 42 | Open |
| 310 | 2022-07-18 | 49th Sparkassen Open | Dortmund GER | 3.3 | Thomas Beerdsen | Onno Elgersma | 1/2-1/2 | 39 | Open |
| 311 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 9 | Onno Elgersma | Levente Miszler | 1-0 | 32 | Open |
| 312 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 8 | Onno Elgersma | Maksim Omariev | 0-1 | 49 | Open |
| 313 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 7 | Asa Hoffmann | Onno Elgersma | 0-1 | 79 | Open |
| 314 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 6 | Evgeny V. Melikhov | Onno Elgersma | 1-0 | 53 | Open |
| 315 | 2022-07-12 | Titled Tue 12th Jul Late | chess.com INT | 6 | Onno Elgersma | Mario Sibilio | 0-1 | 29 | Open |
| 316 | 2022-07-12 | Titled Tue 12th Jul Late | chess.com INT | 5 | Giuseppe Lettieri | Onno Elgersma | 1-0 | 32 | Open |
| 317 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 5 | Onno Elgersma | Grigoriy Oparin | 0-1 | 43 | Open |
| 318 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 4 | Aleksandar Indjic | Onno Elgersma | 1/2-1/2 | 60 | Open |
| 319 | 2022-07-12 | Titled Tue 12th Jul Late | chess.com INT | 4 | Onno Elgersma | Roman Yanchenko | 1/2-1/2 | 37 | Open |
| 320 | 2022-07-12 | Titled Tue 12th Jul Late | chess.com INT | 3 | Andre Neves Fidalgo | Onno Elgersma | 0-1 | 71 | Open |
| 321 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 3 | Hrant Melkumyan | Onno Elgersma | 1-0 | 63 | Open |
| 322 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 2 | Onno Elgersma | Rodrigo Vasquez Schroeder | 1-0 | 64 | Open |
| 323 | 2022-07-12 | Titled Tue 12th Jul Late | chess.com INT | 2 | Onno Elgersma | Christian Silvestre | 1-0 | 35 | Open |
| 324 | 2022-07-12 | Titled Tue 12th Jul Late | chess.com INT | 1 | Neven Hercegovac | Onno Elgersma | 1-0 | 43 | Open |
| 325 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 1 | Onno Elgersma | William Coe | 1-0 | 43 | Open |
| 326 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 11 | Onno Elgersma | Dennis Wagner | 1-0 | 28 | Open |
| 327 | 2022-07-12 | Titled Tue 12th Jul Early | chess.com INT | 10 | Stanoje Jovic | Onno Elgersma | 0-1 | 25 | Open |
| 328 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 9 | Razvan Preotu | Onno Elgersma | 1-0 | 55 | Open |
| 329 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 8 | Luis Fernandez Siles | Onno Elgersma | 0-1 | 38 | Open |
| 330 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 7 | Onno Elgersma | Matei-Valeriu Mogirzan | 0-1 | 55 | Open |
| 331 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 6 | Onno Elgersma | Josue Araujo Sanchez | 0-1 | 59 | Open |
| 332 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 5 | Andres Carrasco Miranda | Onno Elgersma | 0-1 | 20 | Open |
| 333 | 2022-06-28 | Titled Tue 28th Jun Late | chess.com INT | 4 | Artiom Samsonkin | Onno Elgersma | 0-1 | 56 | Open |
| 334 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 4 | Onno Elgersma | Yiping Lou | 0-1 | 41 | Open |
| 335 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 3 | Roman Jiganchine | Onno Elgersma | 0-1 | 57 | Open |
| 336 | 2022-06-28 | Titled Tue 28th Jun Late | chess.com INT | 3 | Marcel Winkels | Onno Elgersma | 0-1 | 30 | Open |
| 337 | 2022-06-28 | Titled Tue 28th Jun Late | chess.com INT | 2 | Onno Elgersma | Qingyu Yuan | 0-1 | 38 | Open |
| 338 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 2 | Onno Elgersma | Dmitry Goltsev | 0-1 | 52 | Open |
| 339 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 1 | Ben Johnson | Onno Elgersma | 0-1 | 39 | Open |
| 340 | 2022-06-28 | Titled Tue 28th Jun Late | chess.com INT | 1 | Onno Elgersma | Deniz Gulecyuz | 1-0 | 45 | Open |
| 341 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 11 | Artak Manukian | Onno Elgersma | 0-1 | 40 | Open |
| 342 | 2022-06-28 | Titled Tue 28th Jun Early | chess.com INT | 10 | Onno Elgersma | Atousa Pourkashiyan | 1/2-1/2 | 69 | Open |
| 343 | 2022-06-19 | HSG Open 2022 | Hilversum NED | 6.4 | Khoi Pham | Onno Elgersma | 1-0 | 29 | Open |
| 344 | 2022-06-19 | HSG Open 2022 | Hilversum NED | 5.5 | Onno Elgersma | Gilian Honkoop | 1-0 | 32 | Open |
| 345 | 2022-06-18 | HSG Open 2022 | Hilversum NED | 4.1 | Thomas Beerdsen | Onno Elgersma | 1-0 | 34 | Open |
| 346 | 2022-06-18 | HSG Open 2022 | Hilversum NED | 3.4 | Onno Elgersma | Arthur De Winter | 1-0 | 55 | Open |
| 347 | 2022-06-17 | HSG Open 2022 | Hilversum NED | 2.5 | Roger Labruyere | Onno Elgersma | 0-1 | 41 | Open |
| 348 | 2022-06-17 | HSG Open 2022 | Hilversum NED | 1.6 | Onno Elgersma | Evert-Jan Straat | 1-0 | 41 | Open |
| 349 | 2022-06-04 | 14th BPB Limburg Open | Maastricht NED | 2.1 | Onno Elgersma | Max Warmerdam | 0-1 | 65 | Open |
| 350 | 2022-05-29 | Groninger Combinatie Open | Groningen NED | 7.2 | Paul Hummel | Onno Elgersma | 0-1 | 30 | Open |
| 351 | 2022-05-29 | Groninger Combinatie Open | Groningen NED | 6.2 | Onno Elgersma | Machteld Van Foreest | 1/2-1/2 | 51 | Open |
| 352 | 2022-05-28 | Groninger Combinatie Open | Groningen NED | 5.2 | Konstantinos Basinas | Onno Elgersma | 0-1 | 47 | Open |
| 353 | 2022-05-28 | Groninger Combinatie Open | Groningen NED | 4.3 | Daan Noordenbos | Onno Elgersma | 1/2-1/2 | 79 | Open |
| 354 | 2022-05-27 | Groninger Combinatie Open | Groningen NED | 3.4 | Onno Elgersma | Elmar Hommes | 1-0 | 27 | Open |
| 355 | 2022-05-27 | Groninger Combinatie Open | Groningen NED | 2.3 | Adrian Clemens | Onno Elgersma | 1/2-1/2 | 35 | Open |
| 356 | 2022-05-26 | Groninger Combinatie Open | Groningen NED | 1.3 | Onno Elgersma | Leon De Vries | 1-0 | 55 | Open |
| 357 | 2022-05-21 | Dutch League 2021-22 | Netherlands NED | 5.1 | Onno Elgersma | Jan Willem Van de Griendt | 1/2-1/2 | 77 | Open |
| 358 | 2022-05-15 | 12th WLC Weekender 2022 | Eindhoven NED | 6.1 | Onno Elgersma | Eline Roebers | 1/2-1/2 | 48 | Open |
| 359 | 2022-05-15 | 12th WLC Weekender 2022 | Eindhoven NED | 5.2 | Sjoerd Van Roon | Onno Elgersma | 0-1 | 65 | Open |
| 360 | 2022-05-14 | 12th WLC Weekender 2022 | Eindhoven NED | 4.3 | Onno Elgersma | Cesar Becx | 1-0 | 47 | Open |
| 361 | 2022-05-14 | 12th WLC Weekender 2022 | Eindhoven NED | 3.4 | Leandro Slagboom | Onno Elgersma | 0-1 | 58 | Open |
| 362 | 2022-05-14 | 12th WLC Weekender 2022 | Eindhoven NED | 2.1 | Onno Elgersma | Jan Broekhuis | 1-0 | 18 | Open |
| 363 | 2022-05-07 | Dutch Youth U18 2022 | Almelo NED | 7.3 | Onno Elgersma | Machteld Van Foreest | 1-0 | 35 | Open |
| 364 | 2022-05-06 | Dutch Youth U18 2022 | Almelo NED | 6.3 | Job Verheul | Onno Elgersma | 1-0 | 45 | Open |
| 365 | 2022-05-05 | Dutch Youth U18 2022 | Almelo NED | 5.3 | Onno Elgersma | Arthur Maters | 1-0 | 92 | Open |
| 366 | 2022-05-04 | Dutch Youth U18 2022 | Almelo NED | 4.4 | Duncan Klaren | Onno Elgersma | 0-1 | 34 | Open |
| 367 | 2022-05-03 | Dutch Youth U18 2022 | Almelo NED | 3.2 | Onno Elgersma | Eline Roebers | 0-1 | 73 | Open |
| 368 | 2022-05-02 | Dutch Youth U18 2022 | Almelo NED | 2.2 | Sasa Albers | Onno Elgersma | 1/2-1/2 | 41 | Open |
| 369 | 2022-05-01 | TCh-BEL 2021-22 | Belgium BEL | 5.4 | 5941279653509299236 | Onno Elgersma | 0-1 | 0 | Open |
| 370 | 2022-05-01 | Dutch Youth U18 2022 | Almelo NED | 1.2 | Onno Elgersma | Vadim Van Kuijk | 1-0 | 38 | Open |
| 371 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 9 | Artem Odegov | Onno Elgersma | 0-1 | 33 | Open |
| 372 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 8 | Onno Elgersma | Roberto Junio Brito Molina | 0-1 | 63 | Open |
| 373 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 7 | Nurgyul Salimova | Onno Elgersma | 1-0 | 71 | Open |
| 374 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 6 | Onno Elgersma | Srinath Narayanan | 1-0 | 60 | Open |
| 375 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 5 | Dennis Wagner | Onno Elgersma | 1/2-1/2 | 58 | Open |
| 376 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 4 | Onno Elgersma | Alexandra Kosteniuk | 1/2-1/2 | 60 | Open |
| 377 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 3 | Igor L. Vakhlamov | Onno Elgersma | 1/2-1/2 | 58 | Open |
| 378 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 2 | Tomasz Mika | Onno Elgersma | 0-1 | 28 | Open |
| 379 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 1 | Onno Elgersma | Rasmus Svane | 0-1 | 34 | Open |
| 380 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 11 | Nikolai Vlassov | Onno Elgersma | 1-0 | 83 | Open |
| 381 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 10 | Onno Elgersma | Ayan Allahverdiyeva | 1-0 | 26 | Open |
| 382 | 2022-04-23 | Dutch League 2021-22 | Netherlands NED | 9.6 | Jan-Willem De Jong | Onno Elgersma | 1/2-1/2 | 21 | Open |
| 383 | 2022-03-27 | TCh-BEL 2021-22 | Belgium BEL | 10.6 | Michael Feygin | Onno Elgersma | 1/2-1/2 | 45 | Open |
| 384 | 2022-03-20 | TCh-BEL 2021-22 | Belgium BEL | 4.6 | Onno Elgersma | Thorsten Michael Haub | 1/2-1/2 | 61 | Open |
| 385 | 2022-03-12 | Dutch League 2021-22 | Netherlands NED | 7.8 | Warre De Waele | Onno Elgersma | 1/2-1/2 | 125 | Open |
| 386 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 5 | Onno Elgersma | Olesya Shevtchenko | 0-1 | 56 | Open |
| 387 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 4 | Darius Viskelis | Onno Elgersma | 0-1 | 70 | Open |
| 388 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 3 | Onno Elgersma | Daniel Rangel | 0-1 | 54 | Open |
| 389 | 2022-02-22 | Titled Tue 22nd Feb Early | chess.com INT | 2 | Aleksandar Topalov | Onno Elgersma | 1-0 | 33 | Open |
| 390 | 2022-02-05 | Dutch League 2021-22 | Netherlands NED | 6.9 | Roel Hamblok | Onno Elgersma | 0-1 | 28 | Open |
| 391 | 2022-01-30 | TCh-BEL 2021-22 | Belgium BEL | 6.4 | Onno Elgersma | Geert Van der Stricht | 1/2-1/2 | 44 | Open |
| 392 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 9 | Onno Elgersma | Marcelo Jorquera | 1-0 | 41 | Open |
| 393 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 8 | Onno Elgersma | Bianka Havanecz | 1-0 | 45 | Open |
| 394 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 7 | Galina Novikova | Onno Elgersma | 1-0 | 37 | Open |
| 395 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 6 | Onno Elgersma | Boris Itkis | 0-1 | 42 | Open |
| 396 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 5 | Onno Elgersma | Olga Karavaeva | 0-1 | 27 | Open |
| 397 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 4 | Alexey Kislinsky | Onno Elgersma | 1-0 | 51 | Open |
| 398 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 3 | Julian Estrada Nieto | Onno Elgersma | 0-1 | 60 | Open |
| 399 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 2 | Onno Elgersma | Roman Kezin | 0-1 | 37 | Open |
| 400 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 1 | Onno Elgersma | Jacek Orzechowski | 1-0 | 61 | Open |
| 401 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 11 | Onno Elgersma | Armin Farmani Anosheh | 1-0 | 39 | Open |
| 402 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 10 | Tangi Migot | Onno Elgersma | 1/2-1/2 | 97 | Open |
| 403 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 9 | Onno Elgersma | Konstantin Begunov | 1/2-1/2 | 59 | Open |
| 404 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 8 | Meri Arabidze | Onno Elgersma | 1-0 | 39 | Open |
| 405 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 7 | Marcin Sieciechowicz | Onno Elgersma | 1-0 | 75 | Open |
| 406 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 6 | Onno Elgersma | Shyaam Nikhil P | 1-0 | 45 | Open |
| 407 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 5 | Keti Tsatsalashvili | Onno Elgersma | 0-1 | 63 | Open |
| 408 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 4 | Onno Elgersma | Gregory Shahade | 0-1 | 59 | Open |
| 409 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 3 | Krzysztof Jakubowski | Onno Elgersma | 0-1 | 33 | Open |
| 410 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 2 | Alexandra Zherebtsova | Onno Elgersma | 0-1 | 89 | Open |
| 411 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 1 | Onno Elgersma | Alexey Sarana | 0-1 | 39 | Open |
| 412 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 11 | Onno Elgersma | Anant Adury | 1-0 | 39 | Open |
| 413 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 10 | Ladislav Langner | Onno Elgersma | 0-1 | 44 | Open |
| 414 | 2021-11-06 | Dutch League 2021-22 | Netherlands NED | 3.1 | Onno Elgersma | Arthur Van de Oudeweetering | 1-0 | 27 | Open |
| 415 | 2021-10-21 | EY U18 2021 | Tornelo INT | 9.6 | David Schernthaner | Onno Elgersma | 1/2-1/2 | 102 | Open |
| 416 | 2021-10-20 | EY U18 2021 | Tornelo INT | 8.4 | Onno Elgersma | Markos Kazakos | 0-1 | 58 | Open |
| 417 | 2021-10-19 | EY U18 2021 | Tornelo INT | 7.7 | Bulat Khalikov | Onno Elgersma | 0-1 | 48 | Open |
| 418 | 2021-10-18 | EY U18 2021 | Tornelo INT | 6.2 | Onno Elgersma | Ughur Ilyasli | 0-1 | 72 | Open |
| 419 | 2021-10-18 | EY U18 2021 | Tornelo INT | 5.1 | Onno Elgersma | Tarun Kanyamarala | 0-1 | 85 | Open |
| 420 | 2021-10-17 | EY U18 2021 | Tornelo INT | 4.1 | Denis Kozlov | Onno Elgersma | 1/2-1/2 | 29 | Open |
| 421 | 2021-10-16 | EY U18 2021 | Tornelo INT | 3.1 | Onno Elgersma | Nils Richter | 1-0 | 70 | Open |
| 422 | 2021-10-16 | EY U18 2021 | Tornelo INT | 2.3 | Miguel Sismeiro | Onno Elgersma | 0-1 | 38 | Open |
| 423 | 2021-10-15 | EY U18 2021 | Tornelo INT | 1.6 | Onno Elgersma | Alexander Oliver Mai | 1-0 | 48 | Open |
| 424 | 2021-10-03 | Dutch League 2021-22 | Netherlands NED | 2.8 | Geert Van der Stricht | Onno Elgersma | 1-0 | 62 | Open |
| 425 | 2021-09-18 | Dutch League 2021-22 | Netherlands NED | 1.6 | Onno Elgersma | Thibaut Vandenbussche | 1/2-1/2 | 44 | Open |
| 426 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 3 | Chris Briscoe | Onno Elgersma | 1/2-1/2 | 40 | Open |
| 427 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 2 | Onno Elgersma | Singh Ojasva | 0-1 | 34 | Open |
| 428 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 1 | Kirill Alekseenko | Onno Elgersma | 1-0 | 67 | Open |
| 429 | 2021-08-12 | 36th Geraardsbergen Open | Geraardsbergen BEL | 9.2 | Onno Elgersma | Parcival Rogge | 1-0 | 27 | Open |
| 430 | 2021-08-11 | 36th Geraardsbergen Open | Geraardsbergen BEL | 8.2 | Onno Elgersma | Geert Van der Stricht | 1/2-1/2 | 57 | Open |
| 431 | 2021-08-11 | 36th Geraardsbergen Open | Geraardsbergen BEL | 7.1 | Rick Lahaye | Onno Elgersma | 1/2-1/2 | 59 | Open |
| 432 | 2021-08-10 | 36th Geraardsbergen Open | Geraardsbergen BEL | 6.2 | Arno Sterck | Onno Elgersma | 0-1 | 35 | Open |
| 433 | 2021-08-10 | 36th Geraardsbergen Open | Geraardsbergen BEL | 5.4 | Onno Elgersma | Cesar Becx | 1-0 | 24 | Open |
| 434 | 2021-08-09 | 36th Geraardsbergen Open | Geraardsbergen BEL | 4.6 | Johan Krygelmans | Onno Elgersma | 0-1 | 41 | Open |
| 435 | 2021-08-08 | 36th Geraardsbergen Open | Geraardsbergen BEL | 2.4 | Gerrit Legemaat | Onno Elgersma | 1/2-1/2 | 55 | Open |
| 436 | 2021-08-08 | 36th Geraardsbergen Open | Geraardsbergen BEL | 1.4 | Onno Elgersma | Michel Lambert | 1-0 | 36 | Open |
| 437 | 2021-08-07 | ch-NED Jeugd A 2021 | Almelo NED | 7.2 | Machteld Van Foreest | Onno Elgersma | 0-1 | 51 | Open |
| 438 | 2021-08-06 | ch-NED Jeugd A 2021 | Almelo NED | 6.4 | Arthur Maters | Onno Elgersma | 0-1 | 32 | Open |
| 439 | 2021-08-05 | ch-NED Jeugd A 2021 | Almelo NED | 5.1 | Onno Elgersma | Jonas Hilwerda | 0-1 | 31 | Open |
| 440 | 2021-08-04 | ch-NED Jeugd A 2021 | Almelo NED | 4.2 | Onno Elgersma | William Shakhverdian | 1-0 | 60 | Open |
| 441 | 2021-08-03 | ch-NED Jeugd A 2021 | Almelo NED | 3.1 | Rembrandt Bruil | Onno Elgersma | 1-0 | 58 | Open |
| 442 | 2021-08-02 | ch-NED Jeugd A 2021 | Almelo NED | 2.1 | Onno Elgersma | Gilian Honkoop | 1-0 | 26 | Open |
| 443 | 2021-08-01 | ch-NED Jeugd A 2021 | Almelo NED | 1.1 | Osama Arabi | Onno Elgersma | 0-1 | 49 | Open |
| 444 | 2021-07-27 | Titled Tuesday 27th July | chess.com INT | 7 | Read Samadov | Onno Elgersma | 1-0 | 21 | Open |
| 445 | 2021-07-27 | Titled Tuesday 27th July | chess.com INT | 6 | Onno Elgersma | Jeffrey Quirke | 1-0 | 44 | Open |
| 446 | 2021-07-27 | Titled Tuesday 27th July | chess.com INT | 5 | Onno Elgersma | Mark Dejmek | 1/2-1/2 | 31 | Open |
| 447 | 2021-07-27 | Titled Tuesday 27th July | chess.com INT | 4 | Susanna Gaboyan | Onno Elgersma | 0-1 | 69 | Open |
| 448 | 2021-07-27 | Titled Tuesday 27th July | chess.com INT | 3 | Mustafa Yilmaz | Onno Elgersma | 1-0 | 38 | Open |
| 449 | 2021-07-27 | Titled Tuesday 27th July | chess.com INT | 2 | Onno Elgersma | Leonardo Tristan | 0-1 | 49 | Open |
| 450 | 2021-07-27 | Titled Tuesday 27th July | chess.com INT | 1 | Sujana Lohani | Onno Elgersma | 0-1 | 31 | Open |
| 451 | 2021-07-20 | Titled Tuesday 20th July | chess.com INT | 4 | Onno Elgersma | Sergei Iskusnyh | 0-1 | 21 | Open |
| 452 | 2021-07-20 | Titled Tuesday 20th July | chess.com INT | 3 | Jingyao Tin | Onno Elgersma | 1-0 | 21 | Open |
| 453 | 2021-07-20 | Titled Tuesday 20th July | chess.com INT | 2 | Onno Elgersma | Gregory Shahade | 1-0 | 41 | Open |
| 454 | 2021-07-20 | Titled Tuesday 20th July | chess.com INT | 1 | Dantelle Joubert | Onno Elgersma | 0-1 | 34 | Open |
| 455 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 9 | Alberto Javier Salazar Cabezas | Onno Elgersma | 0-1 | 28 | Open |
| 456 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 8 | Onno Elgersma | Andrew P Horton | 0-1 | 63 | Open |
| 457 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 7 | Cristian-Gabriel Voiteanu | Onno Elgersma | 0-1 | 45 | Open |
| 458 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 6 | L M S T De Silva | Onno Elgersma | 1-0 | 29 | Open |
| 459 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 5 | Onno Elgersma | Luiz Antonio Coel Araujo Filho | 1-0 | 45 | Open |
| 460 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 4 | Trisha Kanyamarala | Onno Elgersma | 0-1 | 53 | Open |
| 461 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 3 | Onno Elgersma | Uriel Vazquez Espino | 1-0 | 24 | Open |
| 462 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 2 | Galina Novikova | Onno Elgersma | 1-0 | 30 | Open |
| 463 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 1 | Onno Elgersma | Tamir Nabaty | 0-1 | 36 | Open |
| 464 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 11 | Aleksander Hnydiuk | Onno Elgersma | 1-0 | 32 | Open |
| 465 | 2021-07-13 | Titled Tuesday 13th July | chess.com INT | 10 | Onno Elgersma | Tong Hai Anh | 1-0 | 69 | Open |
| 466 | 2021-07-07 | 34th Leon Blitz Open 2021 | chess.com INT | 2 | Vit Bures | Onno Elgersma | 1-0 | 32 | Open |
| 467 | 2021-07-07 | 34th Leon Blitz Open 2021 | chess.com INT | 1 | Onno Elgersma | Ngoc Truong Son Nguyen | 0-1 | 35 | Open |
| 468 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 9 | Mihnea Costachi | Onno Elgersma | 1-0 | 40 | Open |
| 469 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 8 | Onno Elgersma | Zachary Tanenbaum | 1-0 | 86 | Open |
| 470 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 7 | Onno Elgersma | Azer Mirzoev | 0-1 | 56 | Open |
| 471 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 6 | Kamila Hryshchenko | Onno Elgersma | 0-1 | 67 | Open |
| 472 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 5 | Denis Kovalev | Onno Elgersma | 1/2-1/2 | 69 | Open |
| 473 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 4 | Onno Elgersma | Dorina Demeter | 1-0 | 28 | Open |
| 474 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 3 | Tong Hai Anh | Onno Elgersma | 1/2-1/2 | 54 | Open |
| 475 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 2 | Onno Elgersma | Gregory Shahade | 0-1 | 41 | Open |
| 476 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 1 | Onno Elgersma | Chris Briscoe | 1-0 | 48 | Open |
| 477 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 11 | Onno Elgersma | Igor L. Vakhlamov | 0-1 | 23 | Open |
| 478 | 2021-07-06 | Titled Tuesday 6th July | chess.com INT | 10 | Artyom Zubritskiy | Onno Elgersma | 0-1 | 41 | Open |
| 479 | 2021-06-29 | Titled Tuesday 29th June | chess.com INT | 6 | Antonio Lopez Del Alamo | Onno Elgersma | 1-0 | 35 | Open |
| 480 | 2021-06-29 | Titled Tuesday 29th June | chess.com INT | 4 | Onno Elgersma | Bianka Havanecz | 0-1 | 33 | Open |
| 481 | 2021-06-29 | Titled Tuesday 29th June | chess.com INT | 3 | Cesar Augusto Blanco Gramajo | Onno Elgersma | 0-1 | 37 | Open |
| 482 | 2021-06-29 | Titled Tuesday 29th June | chess.com INT | 2 | Onno Elgersma | Singh Ojasva | 0-1 | 35 | Open |
| 483 | 2021-06-29 | Titled Tuesday 29th June | chess.com INT | 1 | Eric Hansen | Onno Elgersma | 1-0 | 25 | Open |
| 484 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 7 | Rodrigo Disconzi da Silva | Onno Elgersma | 0-1 | 22 | Open |
| 485 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 6 | Onno Elgersma | Andrzej Krzywda | 0-1 | 37 | Open |
| 486 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 5 | Alexey Jarovinsky | Onno Elgersma | 1-0 | 39 | Open |
| 487 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 4 | Cem Kaan Gokerkan | Onno Elgersma | 1/2-1/2 | 49 | Open |
| 488 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 3 | Onno Elgersma | Nadya Toncheva | 1-0 | 41 | Open |
| 489 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 2 | Andrey Sumets | Onno Elgersma | 1-0 | 47 | Open |
| 490 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 1 | Onno Elgersma | Jarmo Hartikainen | 1-0 | 25 | Open |
| 491 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 11 | Onno Elgersma | Pandey Srishti | 0-1 | 42 | Open |
| 492 | 2021-06-01 | Titled Tuesday 1st June | chess.com INT | 10 | Luca Jr Moroni | Onno Elgersma | 1-0 | 41 | Open |
| 493 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 4 | Onno Elgersma | Vit Bures | 0-1 | 27 | Open |
| 494 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 3 | Nico Stelmaszyk | Onno Elgersma | 1/2-1/2 | 101 | Open |
| 495 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 2 | Qing Aun Lee | Onno Elgersma | 1/2-1/2 | 90 | Open |
| 496 | 2021-05-25 | Titled Tuesday 25th May | chess.com INT | 1 | Onno Elgersma | Olexandr Bortnyk | 0-1 | 89 | Open |
| 497 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 9 | Onno Elgersma | 10834487274425945199 | 1/2-1/2 | 48 | Open |
| 498 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 8 | Alexandra Shvedova | Onno Elgersma | 0-1 | 39 | Open |
| 499 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 7 | Onno Elgersma | Elmira Karnaukhova | 1-0 | 30 | Open |
| 500 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 6 | Dmitry Mazanchenko | Onno Elgersma | 0-1 | 29 | Open |
| 501 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 5 | Onno Elgersma | Nikita Dovbnia | 0-1 | 21 | Open |
| 502 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 4 | Onno Elgersma | Fernando Lopez Gracia | 0-1 | 57 | Open |
| 503 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 3 | Eric Hansen | Onno Elgersma | 1-0 | 34 | Open |
| 504 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 2 | Qiyu Zhou | Onno Elgersma | 0-1 | 36 | Open |
| 505 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 11 | Aron Pasti | Onno Elgersma | 0-1 | 36 | Open |
| 506 | 2021-05-18 | Titled Tuesday 18th May | chess.com INT | 10 | Onno Elgersma | Dang Hoang Son | 0-1 | 66 | Open |
| 507 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 9 | Onno Elgersma | Joel Banawa | 0-1 | 48 | Open |
| 508 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 7 | Gellert Karacsonyi | Onno Elgersma | 1-0 | 46 | Open |
| 509 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 6 | Onno Elgersma | Ruslan Gabdushev | 1-0 | 33 | Open |
| 510 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 5 | Alexandra Shvedova | Onno Elgersma | 0-1 | 18 | Open |
| 511 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 4 | Onno Elgersma | Nisha Mohota | 1-0 | 37 | Open |
| 512 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 3 | Yoel Estarling Polanco Nunez | Onno Elgersma | 1/2-1/2 | 58 | Open |
| 513 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 2 | Onno Elgersma | Lubov Markelova | 0-1 | 56 | Open |
| 514 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 1 | Vincent Keymer | Onno Elgersma | 1-0 | 32 | Open |
| 515 | 2021-05-11 | Titled Tuesday 11th May | chess.com INT | 11 | Onno Elgersma | Vit Bures | 1-0 | 54 | Open |
| 516 | 2021-05-04 | Titled Tuesday 4th May | chess.com INT | 4 | Onno Elgersma | Bahruz Rzayev | 1-0 | 41 | Open |
| 517 | 2021-05-04 | Titled Tuesday 4th May | chess.com INT | 3 | Gabriela Vargas | Onno Elgersma | 0-1 | 32 | Open |
| 518 | 2021-05-04 | Titled Tuesday 4th May | chess.com INT | 2 | Onno Elgersma | Nico Chasin | 0-1 | 30 | Open |
| 519 | 2021-05-04 | Titled Tuesday 4th May | chess.com INT | 1 | Onno Elgersma | Patricia de Leon | 1-0 | 22 | Open |
| 520 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 9 | Onno Elgersma | Anna Jakubowska | 1-0 | 49 | Open |
| 521 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 8 | Ferenc Jr. Gombocz | Onno Elgersma | 1-0 | 23 | Open |
| 522 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 7 | Onno Elgersma | Vjacheslav Weetik | 0-1 | 52 | Open |
| 523 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 6 | Olga Sikorova | Onno Elgersma | 0-1 | 46 | Open |
| 524 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 5 | Pa Iniyan | Onno Elgersma | 1-0 | 53 | Open |
| 525 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 4 | Onno Elgersma | Vlada Sviridova | 1-0 | 50 | Open |
| 526 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 3 | German Bazeev | Onno Elgersma | 1-0 | 52 | Open |
| 527 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 2 | Onno Elgersma | Vladimir Bugayev | 1-0 | 39 | Open |
| 528 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 11 | Onno Elgersma | Tarun Kanyamarala | 0-1 | 45 | Open |
| 529 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 7 | Onno Elgersma | Pierre Villegas | 0-1 | 47 | Open |
| 530 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 6 | Xiangyi Liu | Onno Elgersma | 1-0 | 27 | Open |
| 531 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 5 | Onno Elgersma | Ihor Vypkhaniuk | 1-0 | 75 | Open |
| 532 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 3 | Onno Elgersma | Fy Antenaina Rakotomaharo | 0-1 | 40 | Open |
| 533 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 1 | Rinat Jumabayev | Onno Elgersma | 1-0 | 48 | Open |
| 534 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 8 | Onno Elgersma | Meri Arabidze | 0-1 | 42 | Open |
| 535 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 7 | Joran Aulin-Jansson | Onno Elgersma | 0-1 | 32 | Open |
| 536 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 6 | Onno Elgersma | Marianna Grineva | 1/2-1/2 | 44 | Open |
| 537 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 5 | Kadam Om Manish | Onno Elgersma | 1-0 | 37 | Open |
| 538 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 4 | Onno Elgersma | Aleksandra Maltsevskaya | 0-1 | 32 | Open |
| 539 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 2 | Nikita Matinian | Onno Elgersma | 1-0 | 68 | Open |
| 540 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 1 | Onno Elgersma | Murali Karthikeyan | 1-0 | 21 | Open |
| 541 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 11 | Onno Elgersma | Pavel Chernomordik | 0-1 | 52 | Open |
| 542 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 10 | Milton Pantzar | Onno Elgersma | 1-0 | 31 | Open |
| 543 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 9 | Khumoyun Begmuratov | Onno Elgersma | 1/2-1/2 | 133 | Open |
| 544 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 8 | Slaven Pastar | Onno Elgersma | 0-1 | 103 | Open |
| 545 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 7 | Onno Elgersma | Olga Artemyeva | 1-0 | 17 | Open |
| 546 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 6 | Onno Elgersma | Ramil Sadykov | 0-1 | 69 | Open |
| 547 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 5 | Harry Grieve | Onno Elgersma | 1-0 | 15 | Open |
| 548 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 4 | Filip Dowgird | Onno Elgersma | 1-0 | 75 | Open |
| 549 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 3 | Onno Elgersma | Vladyslav Sydoryka | 1-0 | 37 | Open |
| 550 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 2 | Nikolay Khnykin | Onno Elgersma | 0-1 | 27 | Open |
| 551 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 1 | Onno Elgersma | Renato R. Quintiliano | 0-1 | 39 | Open |
| 552 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 11 | Onno Elgersma | Alexander Gelman | 0-1 | 31 | Open |
| 553 | 2021-03-09 | Titled Tuesday 9th Mar | chess.com INT | 10 | Onno Elgersma | Leonid Nozdrachev | 1-0 | 49 | Open |
| 554 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 9 | Cengiz Hasman | Onno Elgersma | 0-1 | 76 | Open |
| 555 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 7 | Vladimir Zemerov | Onno Elgersma | 1-0 | 73 | Open |
| 556 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 5 | Gianmarco Leiva | Onno Elgersma | 1-0 | 40 | Open |
| 557 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 4 | Onno Elgersma | Fruzsina Szente Varga | 1-0 | 28 | Open |
| 558 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 3 | Daniel Dardha | Onno Elgersma | 1-0 | 49 | Open |
| 559 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 2 | Jeffrey Quirke | Onno Elgersma | 0-1 | 43 | Open |
| 560 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 1 | Onno Elgersma | Maciej Klekowski | 0-1 | 43 | Open |
| 561 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 11 | Umut Erdem Gunduz | Onno Elgersma | 1-0 | 25 | Open |
| 562 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 10 | Onno Elgersma | Andrzej Krzywda | 0-1 | 54 | Open |
| 563 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 9 | Onno Elgersma | Sergei Iskusnyh | 0-1 | 71 | Open |
| 564 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 8 | Azer Mirzoev | Onno Elgersma | 1-0 | 47 | Open |
| 565 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 7 | Onno Elgersma | Alexandros Papasimakopoulos | 1-0 | 43 | Open |
| 566 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 6 | Evgeny Romanov | Onno Elgersma | 1/2-1/2 | 69 | Open |
| 567 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 5 | Onno Elgersma | Krzysztof Jakubowski | 0-1 | 35 | Open |
| 568 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 4 | Onno Elgersma | German Spata | 1-0 | 41 | Open |
| 569 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 3 | Iwo Godzwon | Onno Elgersma | 0-1 | 58 | Open |
| 570 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 2 | Onno Elgersma | Oscar Humberto Ardila | 1-0 | 54 | Open |
| 571 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 1 | Vladimir Belous | Onno Elgersma | 1-0 | 60 | Open |
| 572 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 11 | Ekaterina Nasyrova | Onno Elgersma | 0-1 | 50 | Open |
| 573 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 10 | Ladislav Langner | Onno Elgersma | 1-0 | 38 | Open |
| 574 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 9 | Darius Viskelis | Onno Elgersma | 1-0 | 38 | Open |
| 575 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 8 | Onno Elgersma | Ruben Akhayan | 0-1 | 29 | Open |
| 576 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 7 | Myroslava Hrabinska | Onno Elgersma | 1-0 | 33 | Open |
| 577 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 6 | Zbigniew Wieczorek | Onno Elgersma | 0-1 | 47 | Open |
| 578 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 5 | Onno Elgersma | Medet Dzhaparov | 0-1 | 51 | Open |
| 579 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 4 | Juan Cruz Arias | Onno Elgersma | 1-0 | 38 | Open |
| 580 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 3 | Onno Elgersma | Enrique Butti | 1-0 | 28 | Open |
| 581 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 2 | Onno Elgersma | Fabian Fiorito | 1-0 | 29 | Open |
| 582 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 1 | Jose Eduardo Martinez Alcantara | Onno Elgersma | 1-0 | 37 | Open |
| 583 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 9 | Ignacio Gago Padreny | Onno Elgersma | 0-1 | 35 | Open |
| 584 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 8 | Onno Elgersma | Tymon Ochedzan | 1-0 | 34 | Open |
| 585 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 6 | Luca Suvorov | Onno Elgersma | 1-0 | 42 | Open |
| 586 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 5 | Onno Elgersma | Francisco Orantes Taboada | 0-1 | 71 | Open |
| 587 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 4 | Onno Elgersma | Noel Studer | 0-1 | 34 | Open |
| 588 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 3 | Eduard Ashiev | Onno Elgersma | 0-1 | 28 | Open |
| 589 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 2 | Marcelo Playa | Onno Elgersma | 0-1 | 42 | Open |
| 590 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 9 | Onno Elgersma | Dennis Wagner | 1-0 | 45 | Open |
| 591 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 8 | Onno Elgersma | Marcelo Playa | 1-0 | 46 | Open |
| 592 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 7 | Christian Stevens | Onno Elgersma | 1-0 | 39 | Open |
| 593 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 6 | Onno Elgersma | Galina Novikova | 1-0 | 39 | Open |
| 594 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 5 | Grigory Seletsky | Onno Elgersma | 0-1 | 32 | Open |
| 595 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 4 | Vladimir Zemerov | Onno Elgersma | 1-0 | 31 | Open |
| 596 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 3 | Onno Elgersma | Murali Karthikeyan | 0-1 | 60 | Open |
| 597 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 2 | Onno Elgersma | Amina Kairbekova | 1-0 | 25 | Open |
| 598 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 1 | Rasmus Svane | Onno Elgersma | 1-0 | 18 | Open |
| 599 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 11 | Ivan Yeletsky | Onno Elgersma | 0-1 | 43 | Open |
| 600 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 10 | Kamal Aghasiyev | Onno Elgersma | 1-0 | 40 | Open |
| 601 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 5 | Visakh N R | Onno Elgersma | 1-0 | 22 | Open |
| 602 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 3 | Chanchal Kumer Ghosh | Onno Elgersma | 0-1 | 34 | Open |
| 603 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 2 | Sebastien Bouchet | Onno Elgersma | 0-1 | 36 | Open |
| 604 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 1 | Onno Elgersma | Shakhriyar Mamedyarov | 0-1 | 28 | Open |
| 605 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 9 | Onno Elgersma | Piotr Piesik | 1-0 | 36 | Open |
| 606 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 8 | Igor Spiric | Onno Elgersma | 0-1 | 33 | Open |
| 607 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 5 | Sai Krishna G V | Onno Elgersma | 1-0 | 39 | Open |
| 608 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 4 | Onno Elgersma | Konstantin Borsuk | 0-1 | 78 | Open |
| 609 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 3 | Anastasia Bodnaruk | Onno Elgersma | 0-1 | 29 | Open |
| 610 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 1 | Onno Elgersma | Ori Kobo | 0-1 | 39 | Open |
| 611 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 11 | Artsiom Siniauski | Onno Elgersma | 1/2-1/2 | 62 | Open |
| 612 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 10 | L M S T De Silva | Onno Elgersma | 0-1 | 39 | Open |
| 613 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 7 | Aditya Mittal | Onno Elgersma | 1-0 | 28 | Open |
| 614 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 5 | Rahman Mohammad Fahad | Onno Elgersma | 1-0 | 27 | Open |
| 615 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 3 | Sergei Shipov | Onno Elgersma | 1-0 | 75 | Open |
| 616 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 2 | Edmund C Player | Onno Elgersma | 0-1 | 26 | Open |
| 617 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 1 | Onno Elgersma | Oleg Vastrukhin | 0-1 | 44 | Open |
| 618 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 9 | Onno Elgersma | Pablo Salinas Herrera | 0-1 | 44 | Open |
| 619 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 8 | Fabian Fiorito | Onno Elgersma | 0-1 | 53 | Open |
| 620 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 7 | Onno Elgersma | Justin Liang | 0-1 | 31 | Open |
| 621 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 6 | Onno Elgersma | Harshavardhan G B | 1-0 | 80 | Open |
| 622 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 5 | Przemyslaw Piotrowski | Onno Elgersma | 1/2-1/2 | 59 | Open |
| 623 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 4 | Onno Elgersma | Mubassar Uddin | 1-0 | 29 | Open |
| 624 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 3 | Yi Ren Daniel Chan | Onno Elgersma | 1-0 | 22 | Open |
| 625 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 2 | Vlada Sviridova | Onno Elgersma | 0-1 | 41 | Open |
| 626 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 21 | Onno Elgersma | Toms Kantans | 0-1 | 38 | Open |
| 627 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 1 | Onno Elgersma | Velimir Ivic | 0-1 | 34 | Open |
| 628 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 19 | Onno Elgersma | Kaua Marques Silva | 1-0 | 57 | Open |
| 629 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 18 | Onno Elgersma | Viacheslav Tikhonov | 1-0 | 24 | Open |
| 630 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 17 | Azer Mirzoev | Onno Elgersma | 1-0 | 49 | Open |
| 631 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 16 | Onno Elgersma | Anna Jakubowska | 1-0 | 47 | Open |
| 632 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 14 | Nathan Felipe Filgueiras | Onno Elgersma | 1-0 | 60 | Open |
| 633 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 13 | Onno Elgersma | Vuk Djordjevic | 0-1 | 65 | Open |
| 634 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 12 | Onno Elgersma | Noel Studer | 0-1 | 66 | Open |
| 635 | 2020-12-19 | Chess.com Bullet Open 2 | chess.com INT | 10 | Onno Elgersma | Roberto Junio Brito Molina | 1-0 | 46 | Open |
| 636 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 9 | Matias Perez Gormaz | Onno Elgersma | 0-1 | 45 | Open |
| 637 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 8 | Onno Elgersma | Vlada Sviridova | 1-0 | 64 | Open |
| 638 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 7 | Anton Isajevsky | Onno Elgersma | 1-0 | 42 | Open |
| 639 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 5 | Eduard Ashiev | Onno Elgersma | 0-1 | 26 | Open |
| 640 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 4 | Onno Elgersma | Halldor Gretar Einarsson | 1-0 | 33 | Open |
| 641 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 3 | Onno Elgersma | Oleksandr Prokhorov | 0-1 | 73 | Open |
| 642 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 1 | Onno Elgersma | Alexei Shirov | 0-1 | 27 | Open |
| 643 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 11 | Onno Elgersma | Joseph Girel | 1-0 | 49 | Open |
| 644 | 2020-11-24 | Titled Tuesday 24th Nov | chess.com INT | 10 | Onno Elgersma | Daniel Taboas Rodriguez | 1/2-1/2 | 63 | Open |
| 645 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 9 | Onno Elgersma | Maksim Omariev | 0-1 | 55 | Open |
| 646 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 8 | Fy Antenaina Rakotomaharo | Onno Elgersma | 1-0 | 35 | Open |
| 647 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 7 | Onno Elgersma | Jan Marn | 1-0 | 27 | Open |
| 648 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 6 | Onno Elgersma | Joseph Levine | 1-0 | 36 | Open |
| 649 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 5 | Wagner Peixoto Guimaraes | Onno Elgersma | 1-0 | 51 | Open |
| 650 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 3 | Onno Elgersma | Mike Sailer | 1-0 | 36 | Open |
| 651 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 2 | Jonathan Dourerassou | Onno Elgersma | 1-0 | 78 | Open |
| 652 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 1 | Onno Elgersma | T H D Niklesha Tharushi | 1-0 | 34 | Open |
| 653 | 2020-10-13 | Titled Tuesday 13th Oct | chess.com INT | 10 | Iulian-Ioan Taras | Onno Elgersma | 0-1 | 50 | Open |
| 654 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 9 | Tsvetan Stoyanov | Onno Elgersma | 0-1 | 59 | Open |
| 655 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 8 | Onno Elgersma | Rubens Cezila Jr | 0-1 | 49 | Open |
| 656 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 7 | Artur Gabrielian | Onno Elgersma | 1-0 | 20 | Open |
| 657 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 6 | Pablo Barrionuevo | Onno Elgersma | 0-1 | 24 | Open |
| 658 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 5 | Onno Elgersma | Jonah B Willow | 0-1 | 78 | Open |
| 659 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 4 | Onno Elgersma | Anna Kubicka | 1-0 | 48 | Open |
| 660 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 3 | Nikita Matinian | Onno Elgersma | 1/2-1/2 | 73 | Open |
| 661 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 2 | Onno Elgersma | Rodrigo Vasquez Schroeder | 0-1 | 38 | Open |
| 662 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 1 | Emilio Cordova | Onno Elgersma | 0-1 | 67 | Open |
| 663 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 15 | Onno Elgersma | Pavlo Kruglyakov | 1-0 | 61 | Open |
| 664 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 14 | Onno Elgersma | Zurab Javakhadze | 0-1 | 34 | Open |
| 665 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 13 | Wagh Suyog | Onno Elgersma | 0-1 | 16 | Open |
| 666 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 12 | Meri Arabidze | Onno Elgersma | 1-0 | 21 | Open |
| 667 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 11 | Onno Elgersma | Nikolai Vlassov | 1-0 | 30 | Open |
| 668 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 10 | Onno Elgersma | Milind Maiti | 0-1 | 67 | Open |
| 669 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 5 | Onno Elgersma | Olga Matveeva | 0-1 | 23 | Open |
| 670 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 4 | Carlos Martins | Onno Elgersma | 1-0 | 40 | Open |
| 671 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 3 | Onno Elgersma | Aleksey Sorokin | 0-1 | 54 | Open |
| 672 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 2 | Svetlana Vifleemskaia | Onno Elgersma | 0-1 | 48 | Open |
| 673 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 1 | Onno Elgersma | Baadur Jobava | 0-1 | 27 | Open |
| 674 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 9 | Nikola Djukic | Onno Elgersma | 1-0 | 62 | Open |
| 675 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 8 | Onno Elgersma | Nguyen Hong Nhung | 1-0 | 67 | Open |
| 676 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 6 | Onno Elgersma | Viktor Skliarov | 0-1 | 45 | Open |
| 677 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 5 | Onno Elgersma | S. Nitin | 0-1 | 60 | Open |
| 678 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 4 | Alina Kashlinskaya | Onno Elgersma | 0-1 | 25 | Open |
| 679 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 3 | Onno Elgersma | Mihnea Costachi | 1-0 | 62 | Open |
| 680 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 2 | Onno Elgersma | Hui Li | 1-0 | 51 | Open |
| 681 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 1 | Anton Demchenko | Onno Elgersma | 1-0 | 25 | Open |
| 682 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 10 | Onno Elgersma | Grigory Seletsky | 1-0 | 57 | Open |
| 683 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 8 | Onno Elgersma | Pawel Jaracz | 0-1 | 28 | Open |
| 684 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 6 | Leon Mons | Onno Elgersma | 1-0 | 24 | Open |
| 685 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 6 | Onno Elgersma | Mateus Costamilan Tomiello | 0-1 | 104 | Open |
| 686 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 5 | Alexander Rustemov | Onno Elgersma | 1/2-1/2 | 52 | Open |
| 687 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 5 | Onno Elgersma | Simeon Todev | 1-0 | 24 | Open |
| 688 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 4 | Onno Elgersma | Roza Idrisova | 1-0 | 54 | Open |
| 689 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 4 | Onno Elgersma | Vladimir Makhnev | 1-0 | 28 | Open |
| 690 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 3 | Vladislav Rekhson | Onno Elgersma | 1-0 | 41 | Open |
| 691 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 3 | Onno Elgersma | Avital Boruchovsky | 0-1 | 30 | Open |
| 692 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 2 | Onno Elgersma | Pa Iniyan | 0-1 | 41 | Open |
| 693 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 1 | Evelina Zavivaeva | Onno Elgersma | 0-1 | 11 | Open |
| 694 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 1 | Onno Elgersma | Maksim Chigaev | 0-1 | 36 | Open |
| 695 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 10 | S. Nitin | Onno Elgersma | 1-0 | 45 | Open |
| 696 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 9 | Nicolas Abarca Gonzalez | Onno Elgersma | 0-1 | 67 | Open |
| 697 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 9 | Krzysztof Budrewicz | Onno Elgersma | 0-1 | 46 | Open |
| 698 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 8 | Bryan Xie | Onno Elgersma | 0-1 | 68 | Open |
| 699 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 8 | Onno Elgersma | Gianmarco Leiva | 1-0 | 67 | Open |
| 700 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 7 | Praveen M Thipsay | Onno Elgersma | 1/2-1/2 | 59 | Open |
| 701 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 7 | Onno Elgersma | Maciej Klekowski | 0-1 | 50 | Open |
| 702 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 6 | Onno Elgersma | Divya Deshmukh | 1/2-1/2 | 44 | Open |
| 703 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 6 | Onno Elgersma | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 704 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 5 | Razvan Preotu | Onno Elgersma | 1-0 | 25 | Open |
| 705 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 5 | Evan S Rosenberg | Onno Elgersma | 0-1 | 50 | Open |
| 706 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 4 | Irina Petrova | Onno Elgersma | 0-1 | 96 | Open |
| 707 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 4 | Viktor Skliarov | Onno Elgersma | 1-0 | 46 | Open |
| 708 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 3 | Onno Elgersma | Christian Bauer | 0-1 | 26 | Open |
| 709 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 3 | Onno Elgersma | Lance Henderson de La Fuente | 0-1 | 73 | Open |
| 710 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 2 | Thomas Christensen | Onno Elgersma | 0-1 | 38 | Open |
| 711 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 1 | Vugar Asadli | Onno Elgersma | 1-0 | 56 | Open |
| 712 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 1 | Onno Elgersma | Pavel Eljanov | 0-1 | 33 | Open |
| 713 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 10 | Onno Elgersma | Deep Sengupta | 1-0 | 38 | Open |
| 714 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 10 | Onno Elgersma | Aydin Turgut | 0-1 | 36 | Open |
| 715 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 4.2 | Onno Elgersma | Sipke Ernst | 0-1 | 33 | Open |
| 716 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 4.1 | Sipke Ernst | Onno Elgersma | 1/2-1/2 | 55 | Open |
| 717 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 3.4 | Onno Elgersma | Dries Wedda | 1-0 | 28 | Open |
| 718 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 3.3 | Dries Wedda | Onno Elgersma | 0-1 | 24 | Open |
| 719 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 3.2 | Dries Wedda | Onno Elgersma | 0-1 | 54 | Open |
| 720 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 3.1 | Onno Elgersma | Dries Wedda | 0-1 | 31 | Open |
| 721 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 2.2 | Onno Elgersma | William Shakhverdian | 1/2-1/2 | 46 | Open |
| 722 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 2.1 | William Shakhverdian | Onno Elgersma | 0-1 | 30 | Open |
| 723 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 1.2 | Onno Elgersma | 10524910315663110800 | 1-0 | 35 | Open |
| 724 | 2020-06-27 | Apeldoorn Lichess Inv | lichess.org INT | 1.1 | 10524910315663110800 | Onno Elgersma | 0-1 | 44 | Open |
| 725 | 2020-04-19 | Candidates FED U16 Online | chess.com INT | 5.2 | Stefan Pogosyan | Onno Elgersma | 1/2-1/2 | 66 | Open |
| 726 | 2020-04-19 | Candidates FED U16 Online | chess.com INT | 4.2 | Onno Elgersma | Hengyi Zhu | 1/2-1/2 | 64 | Open |
| 727 | 2020-04-18 | Candidates FED U16 Online | chess.com INT | 3.3 | Christopher Woojin Yoo | Onno Elgersma | 1-0 | 32 | Open |
| 728 | 2020-04-18 | Candidates FED U16 Online | chess.com INT | 2.1 | Onno Elgersma | Nodirbek Abdusattorov | 0-1 | 48 | Open |
| 729 | 2020-04-18 | Candidates FED U16 Online | chess.com INT | 1.3 | Onno Elgersma | Timothe Razafindratsima | 0-1 | 76 | Open |
| 730 | 2019-12-30 | 57th Groningen Open 2019 | Groningen NED | 9.18 | Harshini A | Onno Elgersma | 0-1 | 49 | Open |
| 731 | 2019-12-29 | 57th Groningen Open 2019 | Groningen NED | 8.18 | Onno Elgersma | Amir Nicolai | 1/2-1/2 | 52 | Open |
| 732 | 2019-12-28 | 57th Groningen Open 2019 | Groningen NED | 7.19 | Elena Krasenkowa | Onno Elgersma | 1/2-1/2 | 66 | Open |
| 733 | 2019-12-27 | 57th Groningen Open 2019 | Groningen NED | 6.25 | Onno Elgersma | Geert Van Hoorn | 1/2-1/2 | 83 | Open |
| 734 | 2019-12-26 | 57th Groningen Open 2019 | Groningen NED | 5.24 | Matthias Berndt | Onno Elgersma | 1/2-1/2 | 45 | Open |
| 735 | 2019-12-23 | 57th Groningen Open 2019 | Groningen NED | 3.13 | Onno Elgersma | Thomas Mollema | 0-1 | 65 | Open |
| 736 | 2019-12-22 | 57th Groningen Open 2019 | Groningen NED | 2.5 | Lucas Van Foreest | Onno Elgersma | 1-0 | 40 | Open |
| 737 | 2019-12-21 | 57th Groningen Open 2019 | Groningen NED | 1.21 | Onno Elgersma | Jan Boersma | 1-0 | 58 | Open |
| 738 | 2019-10-26 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 9.15 | Job Emans | Onno Elgersma | 0-1 | 75 | Open |
| 739 | 2019-10-25 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 8.4 | Onno Elgersma | Thomas Beerdsen | 0-1 | 27 | Open |
| 740 | 2019-10-24 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 7.8 | Nico Zwirs | Onno Elgersma | 1/2-1/2 | 60 | Open |
| 741 | 2019-10-23 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 6.16 | Onno Elgersma | Erik Sparenberg | 1-0 | 44 | Open |
| 742 | 2019-10-22 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 5.16 | Erick Takawira | Onno Elgersma | 0-1 | 46 | Open |
| 743 | 2019-10-21 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 4.13 | Onno Elgersma | Viktoriia Kirchei | 0-1 | 70 | Open |
| 744 | 2019-10-21 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 3.18 | Daan Noordenbos | Onno Elgersma | 0-1 | 12 | Open |
| 745 | 2019-10-20 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 2.6 | Onno Elgersma | Casper Schoppen | 0-1 | 55 | Open |
| 746 | 2019-10-19 | 23rd Hoogeveen Open 2019 | Hoogeveen NED | 1.25 | Shah Dev | Onno Elgersma | 0-1 | 36 | Open |
| 747 | 2019-08-10 | 23rd HZ Open 2019 | Vlissingen NED | 9.5 | Vyacheslav Ikonnikov | Onno Elgersma | 1-0 | 36 | Open |
| 748 | 2019-08-09 | 23rd HZ Open 2019 | Vlissingen NED | 8.6 | Onno Elgersma | Daniel Hausrath | 1/2-1/2 | 43 | Open |
| 749 | 2019-08-08 | 23rd HZ Open 2019 | Vlissingen NED | 7.11 | Marc Lacrosse | Onno Elgersma | 0-1 | 21 | Open |
| 750 | 2019-08-07 | 23rd HZ Open 2019 | Vlissingen NED | 6.5 | Onno Elgersma | Isan Reynaldo Ortiz Suarez | 1/2-1/2 | 61 | Open |
| 751 | 2019-08-06 | 23rd HZ Open 2019 | Vlissingen NED | 5.11 | Niels Mijnster | Onno Elgersma | 0-1 | 48 | Open |
| 752 | 2019-08-05 | 23rd HZ Open 2019 | Vlissingen NED | 4.16 | Onno Elgersma | Maxim Le Clercq | 1-0 | 28 | Open |
| 753 | 2019-08-04 | 23rd HZ Open 2019 | Vlissingen NED | 3.2 | Erwin L'Ami | Onno Elgersma | 1-0 | 42 | Open |
| 754 | 2019-08-04 | 23rd HZ Open 2019 | Vlissingen NED | 2.17 | Onno Elgersma | Gilbert Leentjens | 1-0 | 32 | Open |
| 755 | 2019-08-03 | 23rd HZ Open 2019 | Vlissingen NED | 1.16 | Sudarshanagopal Vin Kunnavakkam | Onno Elgersma | 0-1 | 58 | Open |
| 756 | 2019-08-01 | Dutch Open 2019 | Dieren NED | 9.12 | Hing Ting Lai | Onno Elgersma | 1/2-1/2 | 32 | Open |
| 757 | 2019-07-31 | Dutch Open 2019 | Dieren NED | 8.17 | Onno Elgersma | Rob Van Helvoort | 1-0 | 80 | Open |
| 758 | 2019-07-29 | Dutch Open 2019 | Dieren NED | 6.17 | Vedant Goswami | Onno Elgersma | 1-0 | 32 | Open |
| 759 | 2019-07-27 | Dutch Open 2019 | Dieren NED | 5.11 | Onno Elgersma | Manuel Bosboom | 0-1 | 33 | Open |
| 760 | 2019-07-26 | Dutch Open 2019 | Dieren NED | 4.18 | Boris De Jonge | Onno Elgersma | 0-1 | 40 | Open |
| 761 | 2019-07-25 | Dutch Open 2019 | Dieren NED | 3.19 | Onno Elgersma | Tim Grutter | 1/2-1/2 | 68 | Open |
| 762 | 2019-07-14 | Science Park Open A 2019 | Amsterdam NED | 9.7 | Onno Elgersma | Nico Zwirs | 0-1 | 46 | Open |
| 763 | 2019-07-13 | Science Park Open A 2019 | Amsterdam NED | 8.1 | Sten Goes | Onno Elgersma | 0-1 | 36 | Open |
| 764 | 2019-07-12 | Science Park Open A 2019 | Amsterdam NED | 7.4 | Onno Elgersma | Nikita Meshkovs | 0-1 | 55 | Open |
| 765 | 2019-07-11 | Science Park Open A 2019 | Amsterdam NED | 6.5 | Manuel Bosboom | Onno Elgersma | 1/2-1/2 | 55 | Open |
| 766 | 2019-07-10 | Science Park Open A 2019 | Amsterdam NED | 5.9 | Onno Elgersma | Esper Van Baar | 1-0 | 32 | Open |
| 767 | 2019-07-09 | Science Park Open A 2019 | Amsterdam NED | 4.4 | G. Petar Arnaudov | Onno Elgersma | 1-0 | 43 | Open |
| 768 | 2019-07-08 | Science Park Open A 2019 | Amsterdam NED | 3.7 | Onno Elgersma | Guenther Ballon | 1-0 | 20 | Open |
| 769 | 2019-06-09 | 13th BPB Limburg Open | Maastricht NED | 4.6 | Onno Elgersma | Lucas Van Foreest | 0-1 | 35 | Open |
| 770 | 2019-06-08 | 13th BPB Limburg Open | Maastricht NED | 3.9 | Koen Leenhouts | Onno Elgersma | 1/2-1/2 | 35 | Open |
| 771 | 2019-06-01 | 46th OKU 2019 | Utrecht NED | 2.3 | G. Petar Arnaudov | Onno Elgersma | 1-0 | 50 | Open |
| 772 | 2019-05-26 | 10th WLC Weekender 2019 | Eindhoven NED | 5.5 | Luuk Baselmans | Onno Elgersma | 1-0 | 54 | Open |
| 773 | 2019-05-25 | 10th WLC Weekender 2019 | Eindhoven NED | 2.3 | Robin Swinkels | Onno Elgersma | 1-0 | 51 | Open |
| 774 | 2019-04-22 | GRENKE Chess Open 2019 | Karlsruhe GER | 9.102 | Thomas Abel | Onno Elgersma | 1-0 | 24 | Open |
| 775 | 2019-04-22 | GRENKE Chess Open 2019 | Karlsruhe GER | 8.57 | Onno Elgersma | Marco Thinius | 0-1 | 42 | Open |
| 776 | 2019-04-21 | GRENKE Chess Open 2019 | Karlsruhe GER | 7.95 | Lothar Arnold | Onno Elgersma | 0-1 | 71 | Open |
| 777 | 2019-04-19 | GRENKE Chess Open 2019 | Karlsruhe GER | 3.108 | Adrian Gschnitzer | Onno Elgersma | 1-0 | 20 | Open |
| 778 | 2019-03-31 | 3rd ChessMates Paris 2019 | Paris FRA | 5.1 | Onno Elgersma | Sean J. Murphy | 1-0 | 40 | Open |
| 779 | 2019-03-30 | 3rd ChessMates Paris 2019 | Paris FRA | 4.2 | Damien Lary | Onno Elgersma | 1/2-1/2 | 99 | Open |
| 780 | 2019-03-29 | 3rd ChessMates Paris 2019 | Paris FRA | 2.2 | Sofya Surkova | Onno Elgersma | 1-0 | 56 | Open |
| 781 | 2019-03-29 | 3rd ChessMates Paris 2019 | Paris FRA | 1.2 | Onno Elgersma | Amardip Ahluwalia | 1/2-1/2 | 30 | Open |
| 782 | 2019-02-22 | 79th Noteboom Open | Leiden NED | 1.36 | Chi Yun Cchung | Onno Elgersma | 0-1 | 31 | Open |
| 783 | 2018-12-30 | 56th Groningen Open 2018 | Groningen NED | 9.21 | Arthur Maters | Onno Elgersma | 0-1 | 40 | Open |
| 784 | 2018-12-29 | 56th Groningen Open 2018 | Groningen NED | 8.24 | Onno Elgersma | Jasper Zwirs | 1-0 | 37 | Open |
| 785 | 2018-12-28 | 56th Groningen Open 2018 | Groningen NED | 7.27 | Bas De Boer | Onno Elgersma | 0-1 | 53 | Open |
| 786 | 2018-12-27 | 56th Groningen Open 2018 | Groningen NED | 6.23 | Onno Elgersma | Selwin Keuning | 0-1 | 46 | Open |
| 787 | 2018-12-26 | 56th Groningen Open 2018 | Groningen NED | 5.21 | Machteld Van Foreest | Onno Elgersma | 1-0 | 62 | Open |
| 788 | 2018-12-24 | 56th Groningen Open 2018 | Groningen NED | 4.17 | Onno Elgersma | Bonno Pel | 0-1 | 56 | Open |
| 789 | 2018-12-23 | 56th Groningen Open 2018 | Groningen NED | 3.22 | Max Van de Pavoordt | Onno Elgersma | 0-1 | 25 | Open |
| 790 | 2018-12-23 | 56th Groningen Open 2018 | Groningen NED | 2.14 | Onno Elgersma | Michal Krasenkow | 0-1 | 59 | Open |
| 791 | 2018-12-22 | 56th Groningen Open 2018 | Groningen NED | 1.9 | Thomas Beerdsen | Onno Elgersma | 1/2-1/2 | 41 | Open |
| 792 | 2018-12-22 | 56th Groningen Open 2018 | Groningen NED | 1.8 | Thomas Beerdsen | Onno Elgersma | 1/2-1/2 | 41 | Open |
| 793 | 2018-10-27 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 9.19 | Onno Elgersma | Enrico Vroombout | 1/2-1/2 | 53 | Open |
| 794 | 2018-10-26 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 8.25 | Bruno Jelic | Onno Elgersma | 0-1 | 32 | Open |
| 795 | 2018-10-25 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 7.23 | Onno Elgersma | Jan Boersma | 0-1 | 40 | Open |
| 796 | 2018-10-24 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 6.14 | Elena Tomilova | Onno Elgersma | 1-0 | 26 | Open |
| 797 | 2018-10-23 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 5.8 | Onno Elgersma | Tijana Mandura | 0-1 | 41 | Open |
| 798 | 2018-10-22 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 4.12 | Stefan Colijn | Onno Elgersma | 0-1 | 32 | Open |
| 799 | 2018-10-22 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 3.12 | Onno Elgersma | Ojas Kulkarni | 1/2-1/2 | 32 | Open |
| 800 | 2018-10-21 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 2.14 | Valentin Buckels | Onno Elgersma | 1/2-1/2 | 34 | Open |
| 801 | 2018-10-20 | 22nd Hoogeveen Open 2018 | Hoogeveen NED | 1.36 | Onno Elgersma | Kevin Brands | 1-0 | 20 | Open |
| 802 | 2018-08-11 | 22nd HZ Open 2018 | Vlissingen NED | 9.32 | Gert Reichardt | Onno Elgersma | 0-1 | 27 | Open |
| 803 | 2018-08-10 | 22nd HZ Open 2018 | Vlissingen NED | 8.35 | Onno Elgersma | Gert Van Rij | 1-0 | 43 | Open |
| 804 | 2018-08-09 | 22nd HZ Open 2018 | Vlissingen NED | 7.17 | Sandipan Chanda | Onno Elgersma | 1-0 | 47 | Open |
| 805 | 2018-08-08 | 22nd HZ Open 2018 | Vlissingen NED | 6.37 | Arie Van Diermen | Onno Elgersma | 1-0 | 70 | Open |
| 806 | 2018-08-07 | 22nd HZ Open 2018 | Vlissingen NED | 5.35 | Onno Elgersma | Johan De Zwart | 1/2-1/2 | 46 | Open |
| 807 | 2018-08-06 | 22nd HZ Open 2018 | Vlissingen NED | 4.16 | Herman Grooten | Onno Elgersma | 1-0 | 46 | Open |
| 808 | 2018-08-05 | 22nd HZ Open 2018 | Vlissingen NED | 3.18 | Onno Elgersma | Mark Timmermans | 1/2-1/2 | 21 | Open |
| 809 | 2018-08-05 | 22nd HZ Open 2018 | Vlissingen NED | 2.48 | Hans Welten | Onno Elgersma | 0-1 | 47 | Open |
| 810 | 2018-08-04 | 22nd HZ Open 2018 | Vlissingen NED | 1.51 | Onno Elgersma | 1027310 | 1-0 | 40 | Open |
| 811 | 2018-08-01 | Condigne Dutch Open 2018 | Dieren NED | 8.23 | Jasper Beukema | Onno Elgersma | 1-0 | 40 | Open |
| 812 | 2018-07-31 | Condigne Dutch Open 2018 | Dieren NED | 7.29 | Onno Elgersma | Dries Wedda | 1-0 | 0 | Open |
| 813 | 2018-07-27 | Condigne Dutch Open 2018 | Dieren NED | 4.23 | Onno Elgersma | Viani Antonio Dcunha | 0-1 | 48 | Open |
| 814 | 2018-07-25 | Condigne Dutch Open 2018 | Dieren NED | 2.22 | Mhamal Anurag | Onno Elgersma | 1-0 | 50 | Open |
| 815 | 2018-07-24 | Condigne Dutch Open 2018 | Dieren NED | 1.19 | Onno Elgersma | Liam Vrolijk | 0-1 | 44 | Open |
| 816 | 2018-07-14 | Science Park Open A 2018 | Amsterdam NED | 8.6 | Esper Van Baar | Onno Elgersma | 1/2-1/2 | 80 | Open |
| 817 | 2018-07-13 | Science Park Open A 2018 | Amsterdam NED | 7.9 | Onno Elgersma | Paul-Peter Theulings | 1-0 | 35 | Open |
| 818 | 2018-07-12 | Science Park Open A 2018 | Amsterdam NED | 6.4 | Peter Hildenbrand | Onno Elgersma | 1-0 | 48 | Open |
| 819 | 2018-07-11 | Science Park Open A 2018 | Amsterdam NED | 5.8 | Onno Elgersma | Angelo Spiler | 1-0 | 50 | Open |
| 820 | 2018-07-10 | Science Park Open A 2018 | Amsterdam NED | 4.4 | John Cornelisse | Onno Elgersma | 1-0 | 32 | Open |
| 821 | 2018-07-09 | Science Park Open A 2018 | Amsterdam NED | 3.2 | Onno Elgersma | Barry Brink | 1/2-1/2 | 65 | Open |
| 822 | 2018-07-08 | Science Park Open A 2018 | Amsterdam NED | 2.8 | Richard Frans | Onno Elgersma | 0-1 | 22 | Open |
| 823 | 2018-07-07 | Science Park Open A 2018 | Amsterdam NED | 1.12 | Onno Elgersma | Peter Hoekstra | 1-0 | 63 | Open |
| 824 | 2018-06-24 | HSG Open 2018 | Hilversum NED | 6.6 | G. Petar Arnaudov | Onno Elgersma | 1-0 | 22 | Open |
| 825 | 2018-06-22 | HSG Open 2018 | Hilversum NED | 2.11 | Danny De Ruiter | Onno Elgersma | 1-0 | 70 | Open |
| 826 | 2018-06-01 | 45th OKU 2018 | Utrecht NED | 1.6 | Liam Vrolijk | Onno Elgersma | 1-0 | 47 | Open |
| 827 | 2017-10-28 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 9.23 | Onno Elgersma | Adrian Clemens | 1/2-1/2 | 49 | Open |
| 828 | 2017-10-27 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 8.3 | Jan Boersma | Onno Elgersma | 0-1 | 54 | Open |
| 829 | 2017-10-26 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 7.33 | Max French | Onno Elgersma | 1/2-1/2 | 33 | Open |
| 830 | 2017-10-25 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 6.36 | Onno Elgersma | Axel, Dr. Fehr | 1-0 | 31 | Open |
| 831 | 2017-10-24 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 5.32 | Amir Nicolai | Onno Elgersma | 1-0 | 37 | Open |
| 832 | 2017-10-23 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 4.3 | Onno Elgersma | Lars Vistisen | 0-1 | 29 | Open |
| 833 | 2017-10-22 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 2.36 | Jan Roebers | Onno Elgersma | 1-0 | 31 | Open |
| 834 | 2017-10-21 | 21st Hoogeveen Open 2017 | Hoogeveen NED | 1.34 | Onno Elgersma | Carsten Stanetzek | 0-1 | 57 | Open |
| 835 | 2017-07-26 | Dutch Open 2017 | Dieren NED | 2.23 | Onno Elgersma | Bas De Boer | 0-1 | 35 | Open |
| 836 | 2017-05-26 | Groninger Combinatie Open | Groningen NED | 2.1 | Nick Maatman | Onno Elgersma | 1-0 | 39 | Open |
© 2024-2026 EloTracker