William Olsson
Country
SWE
Birth Year
2005
Gender
M
Title
International Master
FIDE ID
1741721
FIDE Rating
2385
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-12-08 | Lag DM Elit 2025-26 | Stockholm SWE | 4.3 | Edvin Trost | William Olsson | 1-0 | 74 | Open |
| 2 | 2025-11-30 | TCh-SWE Elitserien | Sweden SWE | 3.13 | Dan Cramling | William Olsson | 0-1 | 31 | Open |
| 3 | 2025-11-29 | TCh-SWE Elitserien | Sweden SWE | 2.35 | Vitaly Sivuk | William Olsson | 1-0 | 29 | Open |
| 4 | 2025-11-28 | TCh-SWE Elitserien | Sweden SWE | 1.33 | William Olsson | Jon Ludvig Hammer | 1/2-1/2 | 51 | Open |
| 5 | 2025-11-10 | Lag DM Elit 2025-26 | Stockholm SWE | 3.3 | Almira Skripchenko | William Olsson | 0-1 | 39 | Open |
| 6 | 2025-11-02 | Stockholm Grand Prix 2025 | Stockholm SWE | 8.4 | Vidar Grahn | William Olsson | 1/2-1/2 | 66 | Open |
| 7 | 2025-11-02 | Stockholm Grand Prix 2025 | Stockholm SWE | 7.5 | William Olsson | Martin Ollen | 1-0 | 36 | Open |
| 8 | 2025-11-01 | Stockholm Grand Prix 2025 | Stockholm SWE | 6.2 | Oliver Nilsson | William Olsson | 1-0 | 30 | Open |
| 9 | 2025-11-01 | Stockholm Grand Prix 2025 | Stockholm SWE | 5.2 | William Olsson | Jung Min Seo | 1/2-1/2 | 55 | Open |
| 10 | 2025-10-31 | Stockholm Grand Prix 2025 | Stockholm SWE | 4.4 | Erik Dingertz | William Olsson | 0-1 | 42 | Open |
| 11 | 2025-10-31 | Stockholm Grand Prix 2025 | Stockholm SWE | 3.4 | William Olsson | Vidar Seiger | 1-0 | 44 | Open |
| 12 | 2025-10-31 | Stockholm Grand Prix 2025 | Stockholm SWE | 2.4 | Ludvig Morell | William Olsson | 0-1 | 24 | Open |
| 13 | 2025-10-31 | Stockholm Grand Prix 2025 | Stockholm SWE | 1.8 | William Olsson | Linus Larsen | 1-0 | 20 | Open |
| 14 | 2025-10-13 | Lag DM Elit 2025-26 | Stockholm SWE | 2.5 | Luis Couso | William Olsson | 1/2-1/2 | 48 | Open |
| 15 | 2025-09-15 | Lag DM Elit 2025-26 | Stockholm SWE | 1.1 | Anders Livner | William Olsson | 0-1 | 37 | Open |
| 16 | 2025-05-13 | Titled Tue 13th May Early | chess.com INT | 2 | Arman Geivondian | William Olsson | 1-0 | 19 | Open |
| 17 | 2025-05-13 | Titled Tue 13th May Early | chess.com INT | 1 | Roy Vagman | William Olsson | 0-1 | 34 | Open |
| 18 | 2025-03-18 | Titled Tue 18th Mar Late | chess.com INT | 2 | William Olsson | Pavel Eljanov | 0-1 | 36 | Open |
| 19 | 2025-03-18 | Titled Tue 18th Mar Late | chess.com INT | 1 | Abigail Zhou | William Olsson | 0-1 | 38 | Open |
| 20 | 2025-03-09 | TCh-SWE Elitserien | Sweden SWE | 9.3 | William Olsson | Lars Walinder | 1/2-1/2 | 55 | Open |
| 21 | 2025-03-08 | TCh-SWE Elitserien | Sweden SWE | 8.4 | William Olsson | Oskar Von Bahr | 1-0 | 56 | Open |
| 22 | 2025-03-07 | TCh-SWE Elitserien | Sweden SWE | 7.27 | Vilka Sipila | William Olsson | 1-0 | 31 | Open |
| 23 | 2025-01-19 | TCh-SWE Elitserien | Sweden SWE | 6.2 | Kaan Kucuksari | William Olsson | 1-0 | 41 | Open |
| 24 | 2025-01-18 | TCh-SWE Elitserien | Sweden SWE | 5.9 | Pere Garriga Cazorla | William Olsson | 1/2-1/2 | 51 | Open |
| 25 | 2025-01-17 | TCh-SWE Elitserien | Sweden SWE | 4.3 | William Olsson | Tiger Hillarp Persson | 0-1 | 41 | Open |
| 26 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 2 | Nikita Shemyakinskiy | William Olsson | 1-0 | 40 | Open |
| 27 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 1 | Andrey Esipenko | William Olsson | 0-1 | 71 | Open |
| 28 | 2025-01-05 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 9.5 | William Olsson | Bogdan Bilovil | 0-1 | 30 | Open |
| 29 | 2025-01-04 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 8.8 | Kaan Kucuksari | William Olsson | 1/2-1/2 | 68 | Open |
| 30 | 2025-01-03 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 7.12 | William Olsson | Matthias Mattenberger | 1-0 | 40 | Open |
| 31 | 2025-01-02 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 6.11 | Shou Otsuka | William Olsson | 0-1 | 62 | Open |
| 32 | 2024-12-31 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 5.31 | William Olsson | Lavinia Valcu | 1-0 | 44 | Open |
| 33 | 2024-12-30 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 4.4 | Melvin Ral Lustig | William Olsson | 0-1 | 45 | Open |
| 34 | 2024-12-29 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 3.28 | William Olsson | Ilja Haitin | 0-1 | 59 | Open |
| 35 | 2024-12-28 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 2.2 | Leon Livaic | William Olsson | 1-0 | 41 | Open |
| 36 | 2024-12-27 | 52nd Rilton Cup 2024-25 | Stockholm SWE | 1.31 | William Olsson | Achyuth Aravindhan | 1-0 | 37 | Open |
| 37 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 7 | Rodrigo Vasquez Schroeder | William Olsson | 1-0 | 33 | Open |
| 38 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 6 | William Olsson | Alexei Belov | 1/2-1/2 | 73 | Open |
| 39 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 5 | Enrique Osuna Vega | William Olsson | 0-1 | 45 | Open |
| 40 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 4 | William Olsson | Angel Gabriel Cordoba Roa | 0-1 | 83 | Open |
| 41 | 2024-12-17 | Titled Tue 17th Dec Late | chess.com INT | 4 | William Olsson | Diego Flores | 0-1 | 44 | Open |
| 42 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 3 | Patrick Gelbenegger | William Olsson | 0-1 | 27 | Open |
| 43 | 2024-12-17 | Titled Tue 17th Dec Late | chess.com INT | 3 | Sergey Eliseev | William Olsson | 0-1 | 36 | Open |
| 44 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 2 | William Olsson | Balazs Csonka | 0-1 | 40 | Open |
| 45 | 2024-12-17 | Titled Tue 17th Dec Late | chess.com INT | 2 | Andrey Gorovets | William Olsson | 1-0 | 27 | Open |
| 46 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 1 | William Olsson | Korun Gulamirian | 1-0 | 26 | Open |
| 47 | 2024-12-17 | Titled Tue 17th Dec Late | chess.com INT | 1 | William Olsson | Roberto Villabrille | 1-0 | 44 | Open |
| 48 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 1 | Lars Andreassen | William Olsson | 1-0 | 32 | Open |
| 49 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 9 | William Olsson | Milosz Szpar | 0-1 | 70 | Open |
| 50 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 8 | Harshit Pawar | William Olsson | 1-0 | 23 | Open |
| 51 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 7 | William Olsson | Valery Skatchkov | 1-0 | 18 | Open |
| 52 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 6 | William Olsson | Ilamparthi A R | 0-1 | 25 | Open |
| 53 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 5 | William Olsson | Arad Nazari | 0-1 | 72 | Open |
| 54 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 5 | Quoc Hy Nguyen | William Olsson | 0-1 | 50 | Open |
| 55 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 4 | Sergey Vasenev | William Olsson | 0-1 | 17 | Open |
| 56 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 4 | William Olsson | Wouter Terlouw | 1-0 | 43 | Open |
| 57 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 3 | Sergei Mihajlovskij | William Olsson | 0-1 | 15 | Open |
| 58 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 3 | Piotr Sygulski | William Olsson | 0-1 | 41 | Open |
| 59 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 2 | William Olsson | Jose Eduardo Martinez Alcantara | 0-1 | 33 | Open |
| 60 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 2 | William Olsson | Vladimir Bochnicka | 1-0 | 49 | Open |
| 61 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 1 | Ieuan C Ward | William Olsson | 0-1 | 51 | Open |
| 62 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 1 | Anton Frank | William Olsson | 1-0 | 56 | Open |
| 63 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 4 | Cherry Ann Mejia | William Olsson | 1/2-1/2 | 48 | Open |
| 64 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 3 | William Olsson | Alberto Fabris | 1-0 | 56 | Open |
| 65 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 2 | Alexandr Kostiukov | William Olsson | 1-0 | 26 | Open |
| 66 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 1 | William Olsson | Yaacov Norowitz | 0-1 | 23 | Open |
| 67 | 2024-07-30 | Titled Tue 30th Jul Late | chess.com INT | 7 | William Olsson | Lennert Lenaerts | 0-1 | 39 | Open |
| 68 | 2024-07-30 | Titled Tue 30th Jul Late | chess.com INT | 6 | Rafail Antoniou | William Olsson | 1/2-1/2 | 96 | Open |
| 69 | 2024-07-30 | Titled Tue 30th Jul Late | chess.com INT | 5 | William Olsson | Oliver Wartiovaara | 1/2-1/2 | 52 | Open |
| 70 | 2024-07-30 | Titled Tue 30th Jul Late | chess.com INT | 4 | Lars Andreassen | William Olsson | 0-1 | 30 | Open |
| 71 | 2024-07-30 | Titled Tue 30th Jul Late | chess.com INT | 3 | William Olsson | Farid Tamer Waguih | 1-0 | 30 | Open |
| 72 | 2024-07-30 | Titled Tue 30th Jul Late | chess.com INT | 2 | Emilia Dylag | William Olsson | 1-0 | 24 | Open |
| 73 | 2024-07-30 | Titled Tue 30th Jul Late | chess.com INT | 1 | William Olsson | Vladislav Kovalev | 0-1 | 51 | Open |
| 74 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 8 | Qiyu Zhou | William Olsson | 1-0 | 31 | Open |
| 75 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 7 | William Olsson | Ivan Aldokhin | 1/2-1/2 | 90 | Open |
| 76 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 6 | Vincent Riff | William Olsson | 1-0 | 88 | Open |
| 77 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 5 | Garv Gaur | William Olsson | 1-0 | 46 | Open |
| 78 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 5 | William Olsson | Levy Rozman | 0-1 | 30 | Open |
| 79 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 4 | William Olsson | Nicola Altini | 1-0 | 48 | Open |
| 80 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 4 | William Olsson | Adrian Exposito Milan | 1-0 | 24 | Open |
| 81 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 3 | Vasily Volovich | William Olsson | 0-1 | 111 | Open |
| 82 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 3 | Caleb Levi Levitan | William Olsson | 0-1 | 65 | Open |
| 83 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 2 | Martin Portero Rubio | William Olsson | 0-1 | 58 | Open |
| 84 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 2 | Reegan Palmer | William Olsson | 1-0 | 26 | Open |
| 85 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 1 | William Olsson | Mikhail Bryakin | 0-1 | 41 | Open |
| 86 | 2024-07-16 | Titled Tue 16th Jul Late | chess.com INT | 1 | William Olsson | Conrad Holt | 0-1 | 30 | Open |
| 87 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 2 | William Olsson | Nika Volkov | 0-1 | 26 | Open |
| 88 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 1 | William Olsson | Matvey Galchenko | 1-0 | 34 | Open |
| 89 | 2024-04-01 | Paskturneringen Open 2024 | Norrkoping SWE | 8.2 | William Olsson | Vladyslav Rogoz | 1-0 | 40 | Open |
| 90 | 2024-03-31 | Paskturneringen Open 2024 | Norrkoping SWE | 7.3 | Joar Ostlund | William Olsson | 1/2-1/2 | 39 | Open |
| 91 | 2024-03-31 | Paskturneringen Open 2024 | Norrkoping SWE | 6.5 | William Olsson | Lars Blomstrom | 1-0 | 23 | Open |
| 92 | 2024-03-30 | Paskturneringen Open 2024 | Norrkoping SWE | 5.6 | Bror Thanke | William Olsson | 0-1 | 82 | Open |
| 93 | 2024-03-30 | Paskturneringen Open 2024 | Norrkoping SWE | 4.5 | William Olsson | Daniel Johnson | 1/2-1/2 | 50 | Open |
| 94 | 2024-03-29 | Paskturneringen Open 2024 | Norrkoping SWE | 3.2 | Henrik Isaksson | William Olsson | 1/2-1/2 | 39 | Open |
| 95 | 2024-03-29 | Paskturneringen Open 2024 | Norrkoping SWE | 2.2 | William Olsson | Ulf Karlsson | 1-0 | 36 | Open |
| 96 | 2024-03-29 | Paskturneringen Open 2024 | Norrkoping SWE | 1.3 | Vide Lofgren | William Olsson | 0-1 | 72 | Open |
| 97 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 1 | Maksim Chigaev | William Olsson | 1-0 | 26 | Open |
| 98 | 2024-03-19 | Titled Tue 19th Mar Late | chess.com INT | 3 | Dmitriy Kushko | William Olsson | 1-0 | 44 | Open |
| 99 | 2024-03-19 | Titled Tue 19th Mar Late | chess.com INT | 2 | William Olsson | Cristiano Gomes De Souza | 1-0 | 27 | Open |
| 100 | 2024-03-19 | Titled Tue 19th Mar Late | chess.com INT | 1 | Yuriy Kuzubov | William Olsson | 1-0 | 20 | Open |
| 101 | 2024-03-10 | TCh-SWE Elitserien | Sweden SWE | 9.1 | William Olsson | Jacek Gdanski | 1/2-1/2 | 56 | Open |
| 102 | 2024-03-09 | TCh-SWE Elitserien | Sweden SWE | 8.3 | Can Ertan | William Olsson | 1-0 | 44 | Open |
| 103 | 2024-03-08 | TCh-SWE Elitserien | Sweden SWE | 7.2 | Andrey Sumets | William Olsson | 1-0 | 60 | Open |
| 104 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 4 | William Olsson | Broderick Kenneth Bauml | 0-1 | 45 | Open |
| 105 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 3 | Cem Kaan Gokerkan | William Olsson | 1-0 | 71 | Open |
| 106 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 2 | Jose Ricardo Garcia Correa | William Olsson | 0-1 | 56 | Open |
| 107 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 1 | William Olsson | Sergei Zhigalko | 0-1 | 42 | Open |
| 108 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 2 | William Olsson | Gerardo Fernandez Hernandez | 0-1 | 0 | Open |
| 109 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 1 | Aung Thant Zin | William Olsson | 1-0 | 58 | Open |
| 110 | 2024-02-11 | Elite Hotels Vaxjo Open | Vaxjo SWE | 8.8 | Jorgen Karlsson | William Olsson | 0-1 | 19 | Open |
| 111 | 2024-02-11 | Elite Hotels Vaxjo Open | Vaxjo SWE | 7.8 | William Olsson | Harald Ljung | 1/2-1/2 | 45 | Open |
| 112 | 2024-02-10 | Elite Hotels Vaxjo Open | Vaxjo SWE | 6.12 | Hakan Lyngsjo | William Olsson | 0-1 | 28 | Open |
| 113 | 2024-02-09 | Elite Hotels Vaxjo Open | Vaxjo SWE | 4.14 | Wilmer Eriksson | William Olsson | 1/2-1/2 | 61 | Open |
| 114 | 2024-02-09 | Elite Hotels Vaxjo Open | Vaxjo SWE | 2.9 | Oliver Nilsson | William Olsson | 1-0 | 36 | Open |
| 115 | 2024-02-09 | Elite Hotels Vaxjo Open | Vaxjo SWE | 1.1 | William Olsson | Dawen Wang | 1-0 | 52 | Open |
| 116 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 7 | Andreas Skotheim | William Olsson | 1-0 | 35 | Open |
| 117 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 6 | Jay Bonin | William Olsson | 0-1 | 30 | Open |
| 118 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 5 | William Olsson | Leon Luke Mendonca | 0-1 | 72 | Open |
| 119 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 4 | William Olsson | Brian McLaren | 1-0 | 60 | Open |
| 120 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 3 | Gabriel Lenoir Ibacache | William Olsson | 0-1 | 34 | Open |
| 121 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 2 | William Olsson | Oleksandr Prokhorov | 0-1 | 33 | Open |
| 122 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 1 | Rudik Makarian | William Olsson | 1-0 | 18 | Open |
| 123 | 2024-01-30 | Titled Tue 30th Jan Late | chess.com INT | 1 | William Olsson | Andrew Hong | 0-1 | 26 | Open |
| 124 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 8 | Jose Cubas | William Olsson | 1-0 | 44 | Open |
| 125 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 7 | Lennis Martinez Ramirez | William Olsson | 0-1 | 56 | Open |
| 126 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 6 | William Olsson | Alexandros Papasimakopoulos | 0-1 | 16 | Open |
| 127 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 5 | Robert Hess | William Olsson | 1/2-1/2 | 94 | Open |
| 128 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 4 | William Olsson | Aleksandr Ostrovskiy | 1-0 | 27 | Open |
| 129 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 3 | Carlos Eduardo Cardozo Munar | William Olsson | 0-1 | 26 | Open |
| 130 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 2 | William Olsson | Dmitriy Kushko | 0-1 | 49 | Open |
| 131 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 1 | William Olsson | Juan Jacobo Bolanos Lopez | 1-0 | 35 | Open |
| 132 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 7 | Marius Manolache | William Olsson | 1-0 | 29 | Open |
| 133 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 6 | Julien Sohier | William Olsson | 0-1 | 15 | Open |
| 134 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 5 | William Olsson | Metehan Ozen | 1/2-1/2 | 77 | Open |
| 135 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 4 | Mikhail Bryakin | William Olsson | 1-0 | 70 | Open |
| 136 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 3 | William Olsson | Justin Sarkar | 1-0 | 17 | Open |
| 137 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 2 | William Olsson | Yi Ren Daniel Chan | 0-1 | 53 | Open |
| 138 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 1 | Luis Migu Floresvillar Gonzalez | William Olsson | 0-1 | 35 | Open |
| 139 | 2024-01-05 | 51st Rilton Cup 2023-24 | Stockholm SWE | 9.15 | Srihari L | William Olsson | 1-0 | 38 | Open |
| 140 | 2024-01-04 | 51st Rilton Cup 2023-24 | Stockholm SWE | 8.2 | William Olsson | Ronan Le Goff | 1-0 | 71 | Open |
| 141 | 2024-01-03 | 51st Rilton Cup 2023-24 | Stockholm SWE | 7.8 | Kaido Kulaots | William Olsson | 1-0 | 53 | Open |
| 142 | 2024-01-02 | 51st Rilton Cup 2023-24 | Stockholm SWE | 6.7 | William Olsson | Yair Parkhov | 0-1 | 47 | Open |
| 143 | 2023-12-31 | 51st Rilton Cup 2023-24 | Stockholm SWE | 5.9 | Pierre Bailet | William Olsson | 0-1 | 51 | Open |
| 144 | 2023-12-12 | Titled Tue 12th Dec Late | chess.com INT | 4 | Mika Karttunen | William Olsson | 1-0 | 22 | Open |
| 145 | 2023-12-12 | Titled Tue 12th Dec Late | chess.com INT | 3 | William Olsson | Rodrigo Espinoza Villanueva | 0-1 | 33 | Open |
| 146 | 2023-12-12 | Titled Tue 12th Dec Late | chess.com INT | 2 | Farzad Bolourchifard | William Olsson | 1-0 | 36 | Open |
| 147 | 2023-12-12 | Titled Tue 12th Dec Late | chess.com INT | 1 | William Olsson | Alexandr Fier | 1-0 | 46 | Open |
| 148 | 2023-11-24 | World Youth Open U18 2023 | Montesilvano ITA | 11.5 | Aleksandr Domalchuk-Jonasson | William Olsson | 0-1 | 67 | Open |
| 149 | 2023-11-23 | World Youth Open U18 2023 | Montesilvano ITA | 10.7 | William Olsson | Aditya Bagus Arfan | 1-0 | 60 | Open |
| 150 | 2023-11-22 | World Youth Open U18 2023 | Montesilvano ITA | 9.16 | William Olsson | Mathias Lind Schouten | 1-0 | 57 | Open |
| 151 | 2023-11-21 | World Youth Open U18 2023 | Montesilvano ITA | 8.6 | Prraneeth Vuppala | William Olsson | 1-0 | 22 | Open |
| 152 | 2023-11-20 | World Youth Open U18 2023 | Montesilvano ITA | 7.4 | William Olsson | Volodar Murzin | 1/2-1/2 | 71 | Open |
| 153 | 2023-11-18 | World Youth Open U18 2023 | Montesilvano ITA | 6.12 | Amanmuhammet Hommadov | William Olsson | 0-1 | 36 | Open |
| 154 | 2023-11-17 | World Youth Open U18 2023 | Montesilvano ITA | 5.14 | William Olsson | Tymon Ochedzan | 1/2-1/2 | 53 | Open |
| 155 | 2023-11-16 | World Youth Open U18 2023 | Montesilvano ITA | 4.1 | Konstantin Popov | William Olsson | 1/2-1/2 | 76 | Open |
| 156 | 2023-11-15 | World Youth Open U18 2023 | Montesilvano ITA | 3.12 | William Olsson | Emils Janis Mierins | 1/2-1/2 | 78 | Open |
| 157 | 2023-11-14 | World Youth Open U18 2023 | Montesilvano ITA | 2.18 | Dion Krivenko | William Olsson | 0-1 | 51 | Open |
| 158 | 2023-11-13 | World Youth Open U18 2023 | Montesilvano ITA | 1.24 | William Olsson | Timur Kenbeilov | 1-0 | 19 | Open |
| 159 | 2023-11-05 | Benidorm Open A 2023 | Benidorm ESP | 9.11 | William Olsson | Stephen R Mannion | 1-0 | 60 | Open |
| 160 | 2023-11-04 | Benidorm Open A 2023 | Benidorm ESP | 8.15 | Luis Bevia Martinez | William Olsson | 0-1 | 41 | Open |
| 161 | 2023-11-03 | Benidorm Open A 2023 | Benidorm ESP | 7.11 | William Olsson | Guillermo Horcajada Reales | 0-1 | 40 | Open |
| 162 | 2023-11-02 | Benidorm Open A 2023 | Benidorm ESP | 6.4 | William Olsson | Joshuaede Cappelletto | 0-1 | 43 | Open |
| 163 | 2023-11-01 | Benidorm Open A 2023 | Benidorm ESP | 5.1 | Francesco Sonis | William Olsson | 1-0 | 52 | Open |
| 164 | 2023-11-01 | Benidorm Open A 2023 | Benidorm ESP | 4.3 | Henrique Rey Malde | William Olsson | 0-1 | 28 | Open |
| 165 | 2023-10-31 | Benidorm Open A 2023 | Benidorm ESP | 3.2 | William Olsson | Bachana Morchiashvili | 1/2-1/2 | 114 | Open |
| 166 | 2023-10-30 | Benidorm Open A 2023 | Benidorm ESP | 2.3 | Carlos Nava Pereda | William Olsson | 0-1 | 52 | Open |
| 167 | 2023-10-29 | Benidorm Open A 2023 | Benidorm ESP | 1.3 | William Olsson | Oliver Kevin Uran Bermudez | 1-0 | 44 | Open |
| 168 | 2023-10-24 | Titled Tue 24th Oct Early | chess.com INT | 2 | Ramil Hasangatin | William Olsson | 1-0 | 50 | Open |
| 169 | 2023-10-24 | Titled Tue 24th Oct Early | chess.com INT | 1 | William Olsson | Artem Bardyk | 0-1 | 18 | Open |
| 170 | 2023-10-17 | Titled Tue 17th Oct Early | chess.com INT | 2 | Pankaj Joshi | William Olsson | 1-0 | 82 | Open |
| 171 | 2023-10-17 | Titled Tue 17th Oct Early | chess.com INT | 1 | William Olsson | Wagh Suyog | 0-1 | 26 | Open |
| 172 | 2023-10-15 | TCh-SWE Elitserien | Sweden SWE | 3.4 | Sune Berg Hansen | William Olsson | 1/2-1/2 | 24 | Open |
| 173 | 2023-10-14 | TCh-SWE Elitserien | Sweden SWE | 2.4 | Ruben Domingo Nunez | William Olsson | 1-0 | 39 | Open |
| 174 | 2023-10-13 | TCh-SWE Elitserien | Sweden SWE | 1.5 | William Olsson | Bartosz Socko | 0-1 | 64 | Open |
| 175 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 6 | Khagan Ahmad | William Olsson | 1-0 | 49 | Open |
| 176 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 5 | Jose Antonio Herrera Reyes | William Olsson | 1-0 | 68 | Open |
| 177 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 4 | William Olsson | Artem Bardyk | 1-0 | 52 | Open |
| 178 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 3 | William Olsson | Gil Popilski | 1/2-1/2 | 91 | Open |
| 179 | 2023-10-10 | Titled Tue 10th Oct Early | chess.com INT | 3 | William Olsson | Pawel Jaracz | 0-1 | 63 | Open |
| 180 | 2023-10-10 | Titled Tue 10th Oct Early | chess.com INT | 2 | William Olsson | Henryk Seifert | 1-0 | 27 | Open |
| 181 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 2 | Ali Rastbod | William Olsson | 1-0 | 44 | Open |
| 182 | 2023-10-10 | Titled Tue 10th Oct Late | chess.com INT | 1 | Conrad Holt | William Olsson | 0-1 | 40 | Open |
| 183 | 2023-10-10 | Titled Tue 10th Oct Early | chess.com INT | 1 | Roman Dehtiarov | William Olsson | 1-0 | 66 | Open |
| 184 | 2023-09-26 | Titled Tue 26th Sep Late | chess.com INT | 7 | William Olsson | Dawid Janaszak | 0-1 | 48 | Open |
| 185 | 2023-09-26 | Titled Tue 26th Sep Late | chess.com INT | 6 | Sravan Renjith | William Olsson | 1-0 | 36 | Open |
| 186 | 2023-09-26 | Titled Tue 26th Sep Late | chess.com INT | 5 | Alberto Martin Fuentes | William Olsson | 0-1 | 69 | Open |
| 187 | 2023-09-26 | Titled Tue 26th Sep Early | chess.com INT | 4 | Guillaume Lamard | William Olsson | 1-0 | 18 | Open |
| 188 | 2023-09-26 | Titled Tue 26th Sep Late | chess.com INT | 4 | William Olsson | Lefong Hua | 1/2-1/2 | 56 | Open |
| 189 | 2023-09-26 | Titled Tue 26th Sep Early | chess.com INT | 3 | William Olsson | Raymond Song | 1-0 | 44 | Open |
| 190 | 2023-09-26 | Titled Tue 26th Sep Late | chess.com INT | 3 | William Olsson | Aran Kohler | 1-0 | 35 | Open |
| 191 | 2023-09-26 | Titled Tue 26th Sep Early | chess.com INT | 2 | Sabar Ethmane Daouda | William Olsson | 0-1 | 41 | Open |
| 192 | 2023-09-26 | Titled Tue 26th Sep Late | chess.com INT | 2 | Benjamin Bok | William Olsson | 1-0 | 29 | Open |
| 193 | 2023-09-26 | Titled Tue 26th Sep Early | chess.com INT | 1 | William Olsson | Joaquin Fiorito | 0-1 | 36 | Open |
| 194 | 2023-09-26 | Titled Tue 26th Sep Late | chess.com INT | 1 | William Olsson | Shiroghlan Talibov | 1/2-1/2 | 61 | Open |
| 195 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 6 | William Olsson | Roman Dehtiarov | 0-1 | 16 | Open |
| 196 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 5 | Bagwe Gaurang | William Olsson | 1-0 | 69 | Open |
| 197 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 4 | Campo Elias Guzman Lozano | William Olsson | 0-1 | 54 | Open |
| 198 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 3 | William Olsson | Zeinep Sultanbek | 1-0 | 47 | Open |
| 199 | 2023-09-19 | Titled Tue 19th Sep Early | chess.com INT | 2 | Mike Sailer | William Olsson | 1-0 | 48 | Open |
| 200 | 2023-09-17 | Kvibergspelen Open 2023 | Gothenburg SWE | 8.4 | Vladyslav Larkin | William Olsson | 1-0 | 55 | Open |
| 201 | 2023-09-17 | Kvibergspelen Open 2023 | Gothenburg SWE | 7.2 | William Olsson | Petro Golubka | 1/2-1/2 | 28 | Open |
| 202 | 2023-09-16 | Kvibergspelen Open 2023 | Gothenburg SWE | 6.6 | Lars Hansen | William Olsson | 0-1 | 40 | Open |
| 203 | 2023-09-16 | Kvibergspelen Open 2023 | Gothenburg SWE | 5.7 | William Olsson | Robert Anderzen | 1-0 | 43 | Open |
| 204 | 2023-09-15 | Kvibergspelen Open 2023 | Gothenburg SWE | 4.13 | Siv Bengtsson | William Olsson | 0-1 | 43 | Open |
| 205 | 2023-09-15 | Kvibergspelen Open 2023 | Gothenburg SWE | 3.9 | William Olsson | Ragnar Holm | 0-1 | 50 | Open |
| 206 | 2023-09-15 | Kvibergspelen Open 2023 | Gothenburg SWE | 2.1 | Jonas Kallen | William Olsson | 0-1 | 47 | Open |
| 207 | 2023-09-15 | Kvibergspelen Open 2023 | Gothenburg SWE | 1.1 | William Olsson | Peter Nyberg | 1-0 | 38 | Open |
| 208 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 9 | Ruben Domingo Nunez | William Olsson | 1-0 | 34 | Open |
| 209 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 8 | William Olsson | Jaiveer Mahendru | 1-0 | 61 | Open |
| 210 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 7 | William Olsson | Amirreza Pourramezanali | 1-0 | 25 | Open |
| 211 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 6 | Boris Stankovic | William Olsson | 0-1 | 22 | Open |
| 212 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 5 | William Olsson | Andrei Belozerov | 0-1 | 28 | Open |
| 213 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 4 | Alexandru-Bogdan Banzea | William Olsson | 0-1 | 34 | Open |
| 214 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 3 | Harald Schmidt | William Olsson | 1-0 | 41 | Open |
| 215 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 3 | William Olsson | Danila Bilan | 0-1 | 13 | Open |
| 216 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 2 | Vahe Danielyan | William Olsson | 0-1 | 36 | Open |
| 217 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 2 | Robert Kula | William Olsson | 1/2-1/2 | 31 | Open |
| 218 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 1 | William Olsson | Vugar Rasulov | 0-1 | 42 | Open |
| 219 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 1 | Fy Antenaina Rakotomaharo | William Olsson | 1-0 | 65 | Open |
| 220 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 8 | William Olsson | Jose Francisco R P Neves Veiga | 0-1 | 26 | Open |
| 221 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 7 | Ivan Kochiev | William Olsson | 1/2-1/2 | 30 | Open |
| 222 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 6 | William Olsson | Orest Vovk | 1-0 | 36 | Open |
| 223 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 5 | Oscar Yosimar Acosta Cruz | William Olsson | 0-1 | 32 | Open |
| 224 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 4 | William Olsson | Arthur Olinto De Souza | 0-1 | 33 | Open |
| 225 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 3 | Talaibek Osmonbekov | William Olsson | 0-1 | 26 | Open |
| 226 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 2 | William Olsson | Mike Sailer | 0-1 | 70 | Open |
| 227 | 2023-08-29 | Titled Tue 29th Aug Early | chess.com INT | 6 | William Olsson | Melika Mohammadi | 0-1 | 39 | Open |
| 228 | 2023-08-29 | Titled Tue 29th Aug Early | chess.com INT | 5 | Nikolay Maevsky | William Olsson | 1-0 | 24 | Open |
| 229 | 2023-08-29 | Titled Tue 29th Aug Early | chess.com INT | 4 | Campo Elias Guzman Lozano | William Olsson | 0-1 | 65 | Open |
| 230 | 2023-08-29 | Titled Tue 29th Aug Early | chess.com INT | 3 | William Olsson | Jung Min Seo | 0-1 | 31 | Open |
| 231 | 2023-08-29 | Titled Tue 29th Aug Early | chess.com INT | 2 | William Olsson | Leancy B. Fernandez Bustamante | 1-0 | 49 | Open |
| 232 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 2 | William Olsson | Zurab Tqebuchava | 0-1 | 64 | Open |
| 233 | 2023-08-29 | Titled Tue 29th Aug Early | chess.com INT | 1 | Maxime Lagarde | William Olsson | 1-0 | 47 | Open |
| 234 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 1 | Artin Ashraf | William Olsson | 1-0 | 55 | Open |
| 235 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 4 | William Olsson | Dmitry Tatarinov | 0-1 | 37 | Open |
| 236 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 3 | Joseph Girel | William Olsson | 1-0 | 55 | Open |
| 237 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 2 | Ilan Schnaider | William Olsson | 0-1 | 72 | Open |
| 238 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 1 | William Olsson | Dmitriy Kushko | 1-0 | 49 | Open |
| 239 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 2 | Cristiano Gomes De Souza | William Olsson | 1-0 | 46 | Open |
| 240 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 1 | William Olsson | Iljya Grigorjev | 0-1 | 43 | Open |
| 241 | 2023-08-13 | Goteborg Open 2023 | Gothenburg SWE | 8.2 | Jonny Hector | William Olsson | 1-0 | 50 | Open |
| 242 | 2023-08-13 | Goteborg Open 2023 | Gothenburg SWE | 7.2 | Siv Bengtsson | William Olsson | 0-1 | 42 | Open |
| 243 | 2023-08-12 | Goteborg Open 2023 | Gothenburg SWE | 6.2 | William Olsson | Thomas Bjorklund | 1-0 | 0 | Open |
| 244 | 2023-08-12 | Goteborg Open 2023 | Gothenburg SWE | 5.3 | William Olsson | Mandi Yang | 1-0 | 37 | Open |
| 245 | 2023-08-11 | SS Manhem IM 2023 | Gothenburg SWE | 9.1 | William Olsson | Isak Storme | 0-1 | 55 | Open |
| 246 | 2023-08-11 | Goteborg Open 2023 | Gothenburg SWE | 4.1 | Nazar Ustianovich | William Olsson | 1-0 | 39 | Open |
| 247 | 2023-08-11 | Goteborg Open 2023 | Gothenburg SWE | 3.2 | William Olsson | Jonas Granath | 1-0 | 33 | Open |
| 248 | 2023-08-11 | Goteborg Open 2023 | Gothenburg SWE | 2.2 | Martin Krantz | William Olsson | 0-1 | 55 | Open |
| 249 | 2023-08-11 | Goteborg Open 2023 | Gothenburg SWE | 1.2 | William Olsson | Stig Andersson | 1-0 | 43 | Open |
| 250 | 2023-08-10 | SS Manhem IM 2023 | Gothenburg SWE | 8.5 | Harald Berggren Torell | William Olsson | 1/2-1/2 | 32 | Open |
| 251 | 2023-08-09 | SS Manhem IM 2023 | Gothenburg SWE | 7.1 | William Olsson | Hampus Sorensen | 0-1 | 26 | Open |
| 252 | 2023-08-08 | SS Manhem IM 2023 | Gothenburg SWE | 6.3 | Nicolai Kistrup | William Olsson | 0-1 | 36 | Open |
| 253 | 2023-08-08 | SS Manhem IM 2023 | Gothenburg SWE | 5.5 | William Olsson | Isak Vinh Brattgjerd | 1-0 | 33 | Open |
| 254 | 2023-08-07 | SS Manhem IM 2023 | Gothenburg SWE | 4.4 | Jonny Hector | William Olsson | 1-0 | 57 | Open |
| 255 | 2023-08-06 | SS Manhem IM 2023 | Gothenburg SWE | 3.3 | Nazar Ustianovich | William Olsson | 1-0 | 31 | Open |
| 256 | 2023-08-06 | SS Manhem IM 2023 | Gothenburg SWE | 2.5 | William Olsson | Stefan 2005 Karlsson | 1-0 | 60 | Open |
| 257 | 2023-08-05 | SS Manhem IM 2023 | Gothenburg SWE | 1.3 | Andreas Garberg Tryggestad | William Olsson | 1-0 | 63 | Open |
| 258 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 9 | William Olsson | Nikolai Vlassov | 0-1 | 66 | Open |
| 259 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 8 | William Olsson | Karina Ambartsumova | 0-1 | 39 | Open |
| 260 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 7 | William Graif | William Olsson | 1/2-1/2 | 76 | Open |
| 261 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 6 | Piotr Piesik | William Olsson | 1-0 | 33 | Open |
| 262 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 5 | William Olsson | Pawel Jaracz | 0-1 | 23 | Open |
| 263 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 4 | William Olsson | Christophe Sochacki | 1-0 | 33 | Open |
| 264 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 3 | Jose Francisco R P Neves Veiga | William Olsson | 0-1 | 41 | Open |
| 265 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 2 | William Olsson | Nathaniel Graham | 1-0 | 28 | Open |
| 266 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 1 | Joaquin Fiorito | William Olsson | 1-0 | 31 | Open |
| 267 | 2023-07-09 | ch-SWE 2023 | Helsingborg SWE | 9.2 | William Olsson | Milton Pantzar | 1/2-1/2 | 52 | Open |
| 268 | 2023-07-08 | ch-SWE 2023 | Helsingborg SWE | 8.3 | Thomas Ernst | William Olsson | 1/2-1/2 | 47 | Open |
| 269 | 2023-07-07 | ch-SWE 2023 | Helsingborg SWE | 7.4 | William Olsson | Jonny Hector | 1-0 | 40 | Open |
| 270 | 2023-07-06 | ch-SWE 2023 | Helsingborg SWE | 6.5 | Erik Blomqvist | William Olsson | 0-1 | 65 | Open |
| 271 | 2023-07-05 | ch-SWE 2023 | Helsingborg SWE | 5.4 | Jung Min Seo | William Olsson | 1-0 | 49 | Open |
| 272 | 2023-07-04 | ch-SWE 2023 | Helsingborg SWE | 4.3 | William Olsson | Linus Johansson | 1-0 | 59 | Open |
| 273 | 2023-07-03 | ch-SWE 2023 | Helsingborg SWE | 3.2 | Kaan Kucuksari | William Olsson | 1-0 | 27 | Open |
| 274 | 2023-07-02 | ch-SWE 2023 | Helsingborg SWE | 2.1 | William Olsson | Vitaly Sivuk | 0-1 | 28 | Open |
| 275 | 2023-07-01 | ch-SWE 2023 | Helsingborg SWE | 1.1 | Tiger Hillarp Persson | William Olsson | 1/2-1/2 | 51 | Open |
| 276 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 9 | William Olsson | Ivan Kochiev | 0-1 | 35 | Open |
| 277 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 8 | William Olsson | Francisco Fiorito | 0-1 | 52 | Open |
| 278 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 7 | Viktor Shapiro | William Olsson | 0-1 | 48 | Open |
| 279 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 6 | Serafin Moral Garcia | William Olsson | 1-0 | 41 | Open |
| 280 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 5 | William Olsson | Denis Makhnev | 0-1 | 13 | Open |
| 281 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 4 | William Olsson | Meri Arabidze | 1-0 | 37 | Open |
| 282 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 3 | Dawid Janaszak | William Olsson | 0-1 | 56 | Open |
| 283 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 2 | Dachey Lin | William Olsson | 0-1 | 29 | Open |
| 284 | 2023-06-20 | Titled Tue 20th Jun Late | chess.com INT | 1 | William Olsson | Peter Lizak | 0-1 | 58 | Open |
| 285 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 9 | Orest Vovk | William Olsson | 1-0 | 31 | Open |
| 286 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 8 | Joa Max Bornholdt | William Olsson | 0-1 | 38 | Open |
| 287 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 7 | William Olsson | Sergio Joshafatt Morales Garcia | 1-0 | 29 | Open |
| 288 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 6 | Guillermo Baches Garcia | William Olsson | 1-0 | 32 | Open |
| 289 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 5 | William Olsson | Maciej Swicarz | 1-0 | 45 | Open |
| 290 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 4 | Iung Alicio de O. Pinheiro | William Olsson | 1-0 | 15 | Open |
| 291 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 3 | William Olsson | Alexey Streltsov | 0-1 | 24 | Open |
| 292 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 2 | Arnold Mayeregger | William Olsson | 0-1 | 25 | Open |
| 293 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 1 | Meylis Annaberdiyev | William Olsson | 1-0 | 30 | Open |
| 294 | 2023-06-06 | Titled Tue 6th Jun Late | chess.com INT | 10 | William Olsson | Adan Rios Escobar | 0-1 | 64 | Open |
| 295 | 2023-05-20 | Deltalift Open 2023 | Tylosand SWE | 8.2 | Jonny Hector | William Olsson | 1/2-1/2 | 23 | Open |
| 296 | 2023-05-20 | Deltalift Open 2023 | Tylosand SWE | 7.1 | William Olsson | Tiger Hillarp Persson | 1/2-1/2 | 37 | Open |
| 297 | 2023-05-19 | Deltalift Open 2023 | Tylosand SWE | 6.2 | Bengt Lindberg | William Olsson | 0-1 | 67 | Open |
| 298 | 2023-05-19 | Deltalift Open 2023 | Tylosand SWE | 5.3 | Christian Jepson | William Olsson | 0-1 | 54 | Open |
| 299 | 2023-05-18 | Deltalift Open 2023 | Tylosand SWE | 4.7 | William Olsson | Magnus Cedervall | 1-0 | 32 | Open |
| 300 | 2023-05-18 | Deltalift Open 2023 | Tylosand SWE | 3.6 | Kristian Eriksson | William Olsson | 1/2-1/2 | 44 | Open |
| 301 | 2023-05-18 | Deltalift Open 2023 | Tylosand SWE | 2.7 | William Olsson | Anton Frank | 1-0 | 40 | Open |
| 302 | 2023-05-18 | Deltalift Open 2023 | Tylosand SWE | 1.7 | Stefan 2005 Karlsson | William Olsson | 0-1 | 29 | Open |
| 303 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 3 | William Olsson | Hamed Wafa | 0-1 | 29 | Open |
| 304 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 2 | Nick Panico | William Olsson | 0-1 | 33 | Open |
| 305 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 1 | William Olsson | Marcin Krzyzanowski | 0-1 | 28 | Open |
| 306 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 7 | William Olsson | Grigor Grigorov | 0-1 | 26 | Open |
| 307 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 6 | William Olsson | Adam Kujawski | 1-0 | 38 | Open |
| 308 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 5 | Ruben Gideon Koellner | William Olsson | 1-0 | 23 | Open |
| 309 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 4 | Viachaslau Zarubitski | William Olsson | 1-0 | 39 | Open |
| 310 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 3 | William Olsson | Lennert Lenaerts | 1-0 | 36 | Open |
| 311 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 2 | Jose Garcia Molina | William Olsson | 0-1 | 64 | Open |
| 312 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 1 | William Olsson | Daniel Dardha | 0-1 | 60 | Open |
| 313 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 5 | William Olsson | Rashad Zeynalli | 0-1 | 50 | Open |
| 314 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 4 | William Olsson | Tiago Batista Oliveira | 1-0 | 29 | Open |
| 315 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 3 | Ilan Schnaider | William Olsson | 1-0 | 39 | Open |
| 316 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 2 | William Olsson | Damian Lewtak | 1-0 | 42 | Open |
| 317 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 1 | Andrew P Horton | William Olsson | 1-0 | 49 | Open |
| 318 | 2023-04-10 | Paskturneringen Open 2023 | Norrkoping SWE | 8.1 | William Olsson | Gustav Torngren | 0-1 | 15 | Open |
| 319 | 2023-04-09 | Paskturneringen Open 2023 | Norrkoping SWE | 7.3 | William Olsson | Bengt Lindberg | 1-0 | 33 | Open |
| 320 | 2023-04-09 | Paskturneringen Open 2023 | Norrkoping SWE | 6.1 | Axel Tiger-Norqvist | William Olsson | 1/2-1/2 | 42 | Open |
| 321 | 2023-04-08 | Paskturneringen Open 2023 | Norrkoping SWE | 5.2 | William Olsson | Daniel Johnson | 1-0 | 57 | Open |
| 322 | 2023-04-08 | Paskturneringen Open 2023 | Norrkoping SWE | 4.2 | Hugo Wernberg | William Olsson | 1/2-1/2 | 41 | Open |
| 323 | 2023-04-07 | Paskturneringen Open 2023 | Norrkoping SWE | 3.3 | William Olsson | Conny Holst | 1-0 | 43 | Open |
| 324 | 2023-04-07 | Paskturneringen Open 2023 | Norrkoping SWE | 2.4 | Harald Ljung | William Olsson | 0-1 | 63 | Open |
| 325 | 2023-04-07 | Paskturneringen Open 2023 | Norrkoping SWE | 1.4 | William Olsson | Carina Wickstrom | 1-0 | 41 | Open |
| 326 | 2023-04-04 | Titled Tue 4th Apr Late | chess.com INT | 5 | William Olsson | Alexey Averjanov | 1/2-1/2 | 67 | Open |
| 327 | 2023-04-04 | Titled Tue 4th Apr Late | chess.com INT | 4 | William Olsson | Liam Baruch | 1-0 | 35 | Open |
| 328 | 2023-04-04 | Titled Tue 4th Apr Late | chess.com INT | 3 | Artin Ashraf | William Olsson | 1-0 | 40 | Open |
| 329 | 2023-04-04 | Titled Tue 4th Apr Late | chess.com INT | 2 | William Olsson | Nadezhda Antonova | 1-0 | 46 | Open |
| 330 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 9 | Felix Rose | William Olsson | 1-0 | 40 | Open |
| 331 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 8 | William Olsson | Alejandro Domingo Nunez | 0-1 | 58 | Open |
| 332 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 7 | Dino Ballecer | William Olsson | 1-0 | 56 | Open |
| 333 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 7 | William Olsson | Samid Eduardo Escalona Landi | 1-0 | 40 | Open |
| 334 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 6 | Iwo Godzwon | William Olsson | 1-0 | 33 | Open |
| 335 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 6 | Zlatko Lisjak | William Olsson | 0-1 | 45 | Open |
| 336 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 5 | Eric Feng | William Olsson | 0-1 | 38 | Open |
| 337 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 5 | William Olsson | Marko Jelcic | 1/2-1/2 | 62 | Open |
| 338 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 4 | William Olsson | Codrut-Constantin Florescu | 0-1 | 38 | Open |
| 339 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 4 | Damian Lewtak | William Olsson | 1-0 | 19 | Open |
| 340 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 3 | William Olsson | Kaan Kucuksari | 1/2-1/2 | 44 | Open |
| 341 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 3 | Lucas Van Foreest | William Olsson | 1-0 | 20 | Open |
| 342 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 2 | William Olsson | Alexey Kornyukov | 1-0 | 28 | Open |
| 343 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 2 | Diego Flores | William Olsson | 0-1 | 29 | Open |
| 344 | 2023-03-28 | Titled Tue 28th Mar Late | chess.com INT | 1 | William Olsson | Zaur Mammadov | 1-0 | 35 | Open |
| 345 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 1 | Vugar Asadli | William Olsson | 1-0 | 33 | Open |
| 346 | 2023-03-21 | Titled Tue 21st Mar Late | chess.com INT | 9 | Neil Bhavikatti | William Olsson | 1-0 | 30 | Open |
| 347 | 2023-03-21 | Titled Tue 21st Mar Late | chess.com INT | 8 | William Olsson | Pablo Alexander Ruiz Aguilar | 1-0 | 29 | Open |
| 348 | 2023-03-21 | Titled Tue 21st Mar Late | chess.com INT | 7 | Hrvoje Fajdetic | William Olsson | 0-1 | 57 | Open |
| 349 | 2023-03-21 | Titled Tue 21st Mar Late | chess.com INT | 6 | William Olsson | Moshe Khatena | 1-0 | 20 | Open |
| 350 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 7 | William Olsson | Benedikt Dauner | 0-1 | 33 | Open |
| 351 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 6 | Orest Vovk | William Olsson | 1-0 | 35 | Open |
| 352 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 5 | William Olsson | Philipp Sonnenschein | 1-0 | 70 | Open |
| 353 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 4 | Olaf Michalski | William Olsson | 0-1 | 19 | Open |
| 354 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 3 | Sergey Nefedov | William Olsson | 1-0 | 32 | Open |
| 355 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 2 | William Olsson | Samuel Zenelaj | 0-1 | 52 | Open |
| 356 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 1 | Diego Rafael Di Berardino | William Olsson | 1-0 | 52 | Open |
| 357 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 6 | William Olsson | Ivan Kochiev | 0-1 | 67 | Open |
| 358 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 5 | Maksim Schekachikhin | William Olsson | 1-0 | 95 | Open |
| 359 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 4 | William Olsson | Vladimir Bochnicka | 1-0 | 29 | Open |
| 360 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 3 | William Olsson | Tom O`Gorman | 0-1 | 22 | Open |
| 361 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 2 | Jose Gabriel Cardoso Cardoso | William Olsson | 1-0 | 51 | Open |
| 362 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 1 | Artem Omelja | William Olsson | 0-1 | 56 | Open |
| 363 | 2023-01-05 | 50th Rilton Cup 2022-23 | Stockholm SWE | 9.17 | William Olsson | Hampus Sorensen | 1-0 | 66 | Open |
| 364 | 2023-01-04 | 50th Rilton Cup 2022-23 | Stockholm SWE | 8.4 | Nikita Meshkovs | William Olsson | 1-0 | 61 | Open |
| 365 | 2023-01-03 | 50th Rilton Cup 2022-23 | Stockholm SWE | 7.13 | Pere Garriga Cazorla | William Olsson | 0-1 | 0 | Open |
| 366 | 2023-01-02 | 50th Rilton Cup 2022-23 | Stockholm SWE | 6.16 | William Olsson | Ido Gorshtein | 1/2-1/2 | 42 | Open |
| 367 | 2022-12-31 | 50th Rilton Cup 2022-23 | Stockholm SWE | 5.8 | Platon Galperin | William Olsson | 1/2-1/2 | 30 | Open |
| 368 | 2022-12-30 | 50th Rilton Cup 2022-23 | Stockholm SWE | 4.22 | William Olsson | Michael Wiedenkeller | 1-0 | 63 | Open |
| 369 | 2022-12-29 | 50th Rilton Cup 2022-23 | Stockholm SWE | 3.3 | Normunds Miezis | William Olsson | 0-1 | 17 | Open |
| 370 | 2022-12-28 | 50th Rilton Cup 2022-23 | Stockholm SWE | 2.34 | William Olsson | Jonathan Westerberg | 1/2-1/2 | 41 | Open |
| 371 | 2022-12-27 | 50th Rilton Cup 2022-23 | Stockholm SWE | 1.17 | Jung Min Seo | William Olsson | 1/2-1/2 | 43 | Open |
| 372 | 2022-08-12 | SS Manhem IM 2022 | Gothenburg SWE | 9.5 | William Olsson | Daniel Johnson | 1-0 | 48 | Open |
| 373 | 2022-08-11 | SS Manhem IM 2022 | Gothenburg SWE | 8.5 | Tom Rydstrom | William Olsson | 1-0 | 52 | Open |
| 374 | 2022-08-10 | SS Manhem IM 2022 | Gothenburg SWE | 7.4 | William Olsson | Mikkel Manosri Jacobsen | 1-0 | 31 | Open |
| 375 | 2022-08-10 | SS Manhem IM 2022 | Gothenburg SWE | 6.4 | Semen Mitusov | William Olsson | 1-0 | 53 | Open |
| 376 | 2022-08-09 | SS Manhem IM 2022 | Gothenburg SWE | 5.4 | Jens E Ingebretsen | William Olsson | 1-0 | 20 | Open |
| 377 | 2022-08-08 | SS Manhem IM 2022 | Gothenburg SWE | 4.4 | William Olsson | Kaan Kucuksari | 0-1 | 30 | Open |
| 378 | 2022-08-07 | SS Manhem IM 2022 | Gothenburg SWE | 3.5 | Thomas Ernst | William Olsson | 1-0 | 59 | Open |
| 379 | 2022-08-07 | SS Manhem IM 2022 | Gothenburg SWE | 2.1 | William Olsson | Milton Pantzar | 0-1 | 71 | Open |
| 380 | 2022-08-06 | SS Manhem IM 2022 | Gothenburg SWE | 1.3 | Hilmir Freyr Heimisson | William Olsson | 0-1 | 48 | Open |
| 381 | 2022-07-18 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 7.7 | Valentyn Prokofiev | William Olsson | 0-1 | 32 | Open |
| 382 | 2022-07-17 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 6.5 | Klendi Zeneli | William Olsson | 1-0 | 26 | Open |
| 383 | 2022-07-16 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 5.3 | William Olsson | Marius Deuer | 1-0 | 33 | Open |
| 384 | 2022-07-15 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 4.5 | Jan Marn | William Olsson | 0-1 | 29 | Open |
| 385 | 2022-07-13 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 2.2 | William Olsson | Agoston Juhasz | 0-1 | 90 | Open |
| 386 | 2022-07-12 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 1.8 | William Olsson | Michail Karamichos | 1-0 | 38 | Open |
| 387 | 2022-07-10 | ch-SWE Junior U20 2022 | Uppsala SWE | 9.1 | William Olsson | Adrian Soderstrom | 1-0 | 26 | Open |
| 388 | 2022-07-09 | ch-SWE Junior U20 2022 | Uppsala SWE | 8.1 | Axel Falkevall | William Olsson | 1/2-1/2 | 64 | Open |
| 389 | 2022-07-08 | ch-SWE Junior U20 2022 | Uppsala SWE | 7.4 | Joar Ostlund | William Olsson | 1/2-1/2 | 38 | Open |
| 390 | 2022-07-07 | ch-SWE Junior U20 2022 | Uppsala SWE | 6.3 | William Olsson | Arvin Rasti | 0-1 | 37 | Open |
| 391 | 2022-07-06 | ch-SWE Junior U20 2022 | Uppsala SWE | 5.2 | Jung Hyun Seo | William Olsson | 1/2-1/2 | 56 | Open |
| 392 | 2022-07-05 | ch-SWE Junior U20 2022 | Uppsala SWE | 4.1 | William Olsson | Alexander Nord | 1-0 | 99 | Open |
| 393 | 2022-07-04 | ch-SWE Junior U20 2022 | Uppsala SWE | 3.1 | Hugo Wernberg | William Olsson | 0-1 | 64 | Open |
| 394 | 2022-07-03 | ch-SWE Junior U20 2022 | Uppsala SWE | 2.2 | William Olsson | Gustav Torngren | 1-0 | 28 | Open |
| 395 | 2022-07-02 | ch-SWE Junior U20 2022 | Uppsala SWE | 1.3 | Vidar Grahn | William Olsson | 0-1 | 53 | Open |
| 396 | 2022-04-18 | Paskturneringen Open 2022 | Norrkoping SWE | 8.9 | Andrew McClement | William Olsson | 0-1 | 37 | Open |
| 397 | 2022-04-17 | Paskturneringen Open 2022 | Norrkoping SWE | 7.13 | William Olsson | Jung Hyun Seo | 1-0 | 35 | Open |
| 398 | 2022-04-15 | Paskturneringen Open 2022 | Norrkoping SWE | 2.13 | William Olsson | Jorgen Karlsson | 0-1 | 52 | Open |
| 399 | 2022-03-06 | Elite Hotels Vaxjo Open | Vaxjo SWE | 8 | William Olsson | Gustav Lindholm | 1-0 | 51 | Open |
| 400 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 9 | William Olsson | Artur Dilmukhametov | 0-1 | 46 | Open |
| 401 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 8 | Pavel-Alexandru Nastore | William Olsson | 0-1 | 31 | Open |
| 402 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 7 | Michal Walentukiewicz | William Olsson | 1-0 | 36 | Open |
| 403 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 6 | William Olsson | Mauri Lehtosaari | 0-1 | 33 | Open |
| 404 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 5 | Ladislav Langner | William Olsson | 0-1 | 30 | Open |
| 405 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 4 | William Olsson | Qiyu Zhou | 1-0 | 45 | Open |
| 406 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 3 | William Olsson | Armin Kekic | 0-1 | 64 | Open |
| 407 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 2 | Tobias Lang Nilsen | William Olsson | 1-0 | 64 | Open |
| 408 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 1 | Moritz Weishaeutel | William Olsson | 1/2-1/2 | 72 | Open |
| 409 | 2021-12-17 | Malmo Open 2021 | Malmo SWE | 4.3 | Axel Smith | William Olsson | 1-0 | 44 | Open |
| 410 | 2021-11-03 | Uppsala Young Champions | Uppsala SWE | 9.5 | William Olsson | Jachym Nemec | 0-1 | 41 | Open |
| 411 | 2021-11-03 | Uppsala Young Champions | Uppsala SWE | 8.11 | Alexander Nord | William Olsson | 0-1 | 58 | Open |
| 412 | 2021-11-02 | Uppsala Young Champions | Uppsala SWE | 7.6 | William Olsson | Alexander Oye-Stromberg | 0-1 | 73 | Open |
| 413 | 2021-11-01 | Uppsala Young Champions | Uppsala SWE | 6.1 | Axel Falkevall | William Olsson | 0-1 | 49 | Open |
| 414 | 2021-11-01 | Uppsala Young Champions | Uppsala SWE | 5.7 | William Olsson | Gustav Torngren | 0-1 | 49 | Open |
| 415 | 2021-10-31 | Uppsala Young Champions | Uppsala SWE | 4.7 | Jachym Smolik | William Olsson | 1/2-1/2 | 37 | Open |
| 416 | 2021-10-30 | Uppsala Young Champions | Uppsala SWE | 3.7 | William Olsson | Leo Crevatin | 1-0 | 24 | Open |
| 417 | 2021-10-30 | Uppsala Young Champions | Uppsala SWE | 2.6 | Hilmir Freyr Heimisson | William Olsson | 1-0 | 64 | Open |
| 418 | 2021-10-29 | Uppsala Young Champions | Uppsala SWE | 1.1 | William Olsson | William 2007 Johansson | 1-0 | 53 | Open |
| 419 | 2021-08-31 | Titled Tuesday 31st Aug | chess.com INT | 3 | Asa Hoffmann | William Olsson | 1-0 | 39 | Open |
| 420 | 2021-08-31 | Titled Tuesday 31st Aug | chess.com INT | 2 | Pawel Dudzinski | William Olsson | 1-0 | 31 | Open |
| 421 | 2021-08-31 | Titled Tuesday 31st Aug | chess.com INT | 1 | William Olsson | Anton Isajevsky | 0-1 | 45 | Open |
| 422 | 2021-08-15 | Uppsala IM Gp2 2021 | Uppsala SWE | 9.4 | William Olsson | Konstantin Borsuk | 0-1 | 48 | Open |
| 423 | 2021-08-14 | Uppsala IM Gp2 2021 | Uppsala SWE | 8.3 | Vignir Vatnar Stefansson | William Olsson | 1/2-1/2 | 34 | Open |
| 424 | 2021-08-13 | Uppsala IM Gp2 2021 | Uppsala SWE | 7.2 | William Olsson | Torsten Limbach | 1-0 | 40 | Open |
| 425 | 2021-08-13 | Uppsala IM Gp2 2021 | Uppsala SWE | 6.1 | Dagur Ragnarsson | William Olsson | 0-1 | 48 | Open |
| 426 | 2021-08-12 | Uppsala IM Gp2 2021 | Uppsala SWE | 5.5 | Leo Crevatin | William Olsson | 1/2-1/2 | 24 | Open |
| 427 | 2021-08-11 | Uppsala IM Gp2 2021 | Uppsala SWE | 4.3 | William Olsson | Alexander Hart | 1-0 | 37 | Open |
| 428 | 2021-08-10 | Uppsala IM Gp2 2021 | Uppsala SWE | 3.4 | Joakim Nilsson | William Olsson | 1-0 | 34 | Open |
| 429 | 2021-08-10 | Uppsala IM Gp2 2021 | Uppsala SWE | 2.5 | William Olsson | Kim Nygren | 1-0 | 41 | Open |
| 430 | 2021-08-09 | Uppsala IM Gp2 2021 | Uppsala SWE | 1.3 | Thomas Ernst | William Olsson | 0-1 | 54 | Open |
| 431 | 2021-07-29 | Aarhus Chess House Summer | Aarhus DEN | 5.6 | Christof Koellner | William Olsson | 1/2-1/2 | 84 | Open |
| 432 | 2021-07-28 | Aarhus Chess House Summer | Aarhus DEN | 4.4 | William Olsson | Klaus Berg | 1/2-1/2 | 48 | Open |
| 433 | 2021-07-28 | Aarhus Chess House Summer | Aarhus DEN | 3.4 | Poul Rewitz | William Olsson | 1/2-1/2 | 61 | Open |
| 434 | 2021-07-27 | Aarhus Chess House Summer | Aarhus DEN | 2.4 | William Olsson | Hilmir Freyr Heimisson | 0-1 | 47 | Open |
| 435 | 2021-07-26 | Aarhus Chess House Summer | Aarhus DEN | 1.3 | Mikkel Antonsen | William Olsson | 0-1 | 45 | Open |
| 436 | 2021-07-25 | Konventum-Hojstrupgaard | Helsingor DEN | 5.3 | Nicolai Kistrup | William Olsson | 0-1 | 36 | Open |
| 437 | 2021-07-25 | Konventum-Hojstrupgaard | Helsingor DEN | 4.4 | William Olsson | Matthias Bach | 1-0 | 65 | Open |
| 438 | 2021-07-24 | Konventum-Hojstrupgaard | Helsingor DEN | 3.5 | William Olsson | Peter Thorsbro | 1/2-1/2 | 49 | Open |
| 439 | 2021-07-24 | Konventum-Hojstrupgaard | Helsingor DEN | 2.2 | Martin Haubro-Suppanz | William Olsson | 1/2-1/2 | 26 | Open |
| 440 | 2021-07-23 | Konventum-Hojstrupgaard | Helsingor DEN | 1.13 | William Olsson | Per Skjoldager | 1-0 | 46 | Open |
| 441 | 2021-07-11 | ch-SWE Junior U20 2021 | Helsingborg SWE | 9.4 | William Olsson | Milton Pantzar | 1/2-1/2 | 52 | Open |
| 442 | 2021-07-10 | ch-SWE Junior U20 2021 | Helsingborg SWE | 8.4 | Ludvig Carlsson | William Olsson | 1-0 | 32 | Open |
| 443 | 2021-07-09 | ch-SWE Junior U20 2021 | Helsingborg SWE | 7.3 | William Olsson | Hugo Wernberg | 1/2-1/2 | 62 | Open |
| 444 | 2021-07-08 | ch-SWE Junior U20 2021 | Helsingborg SWE | 6.4 | Gustav Torngren | William Olsson | 0-1 | 45 | Open |
| 445 | 2021-07-07 | ch-SWE Junior U20 2021 | Helsingborg SWE | 5.4 | William Olsson | Baldur Teodor Petersson | 1/2-1/2 | 60 | Open |
| 446 | 2021-07-06 | ch-SWE Junior U20 2021 | Helsingborg SWE | 4.2 | Adrian Soderstrom | William Olsson | 1-0 | 51 | Open |
| 447 | 2021-07-05 | ch-SWE Junior U20 2021 | Helsingborg SWE | 3.4 | William Olsson | Axel Falkevall | 1-0 | 50 | Open |
| 448 | 2021-07-04 | ch-SWE Junior U20 2021 | Helsingborg SWE | 2.5 | Gabriel Nguyen | William Olsson | 0-1 | 36 | Open |
| 449 | 2021-07-03 | ch-SWE Junior U20 2021 | Helsingborg SWE | 1.2 | Arvin Rasti | William Olsson | 1/2-1/2 | 47 | Open |
| 450 | 2020-10-28 | Uppsala Young Champions | Uppsala SWE | 9.14 | William Olsson | Karel Brozka | 1-0 | 37 | Open |
| 451 | 2020-10-28 | Uppsala Young Champions | Uppsala SWE | 8.15 | Leo Crevatin | William Olsson | 1/2-1/2 | 34 | Open |
| 452 | 2020-10-27 | Uppsala Young Champions | Uppsala SWE | 7.9 | William Olsson | Annmarie Muetsch | 0-1 | 64 | Open |
| 453 | 2020-10-26 | Uppsala Young Champions | Uppsala SWE | 6.12 | Ivana Hrescak | William Olsson | 1/2-1/2 | 41 | Open |
| 454 | 2020-10-26 | Uppsala Young Champions | Uppsala SWE | 5.15 | Richard Stalmach | William Olsson | 0-1 | 57 | Open |
| 455 | 2020-10-25 | Uppsala Young Champions | Uppsala SWE | 4.14 | William Olsson | Arthur Kruckenhauser | 1/2-1/2 | 27 | Open |
| 456 | 2020-10-24 | Uppsala Young Champions | Uppsala SWE | 3.18 | William Olsson | Warg Skahlberg Bjerknes-Lima de Faria | 1-0 | 38 | Open |
| 457 | 2020-10-24 | Uppsala Young Champions | Uppsala SWE | 2.14 | Axel Falkevall | William Olsson | 1-0 | 43 | Open |
| 458 | 2020-10-23 | Uppsala Young Champions | Uppsala SWE | 1.6 | William Olsson | Kaan Kucuksari | 0-1 | 44 | Open |
| 459 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | William Olsson | Andrii Palchuk | 1-0 | 66 | Open |
| 460 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | William Olsson | Alexey Kukelko | 1-0 | 43 | Open |
| 461 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | William Olsson | Vladyslav Sydoryka | 1-0 | 1 | Open |
| 462 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | William Olsson | Andriy Prydun | 0-1 | 27 | Open |
| 463 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | William Olsson | Oleksandr Yurovskykh | 0-1 | 30 | Open |
| 464 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | William Olsson | Nadiia Shpanko | 1-0 | 46 | Open |
| 465 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | William Olsson | Yevgeniy Roshka | 0-1 | 61 | Open |
| 466 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | Andrii Palchuk | William Olsson | 1-0 | 56 | Open |
| 467 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | Vladyslav Sydoryka | William Olsson | 0-1 | 21 | Open |
| 468 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | Oleksandr Yurovskykh | William Olsson | 1-0 | 42 | Open |
| 469 | 2020-08-05 | Friendly Match UKR-SWE | lichess.org INT | - | Yevgeniy Roshka | William Olsson | 0-1 | 50 | Open |
| 470 | 2020-02-09 | Elite Hotels Vaxjo Open | Vaxjo SWE | 7.17 | William Olsson | Mattias Adahl | 0-1 | 68 | Open |
| 471 | 2020-02-08 | Elite Hotels Vaxjo Open | Vaxjo SWE | 6.7 | Ralf Akesson | William Olsson | 1-0 | 56 | Open |
| 472 | 2020-02-08 | Elite Hotels Vaxjo Open | Vaxjo SWE | 5.17 | William Olsson | John Radberg | 1-0 | 53 | Open |
| 473 | 2020-02-07 | Elite Hotels Vaxjo Open | Vaxjo SWE | 3.2 | William Olsson | Tiger Hillarp Persson | 0-1 | 43 | Open |
| 474 | 2019-12-15 | Malmo Open 2019 | Malmo SWE | 8.6 | Axel Ornstein | William Olsson | 1/2-1/2 | 13 | Open |
| 475 | 2019-12-14 | Malmo Open 2019 | Malmo SWE | 4.7 | Stellan Brynell | William Olsson | 1-0 | 38 | Open |
| 476 | 2019-09-27 | Kvibergspelen Sept 2019 | Gothenburg SWE | 1.1 | Tiger Hillarp Persson | William Olsson | 1-0 | 56 | Open |
| 477 | 2019-08-18 | Goteborg Open 2019 | Gothenburg SWE | 8.11 | William Olsson | Mats Welin | 0-1 | 51 | Open |
| 478 | 2019-08-18 | Goteborg Open 2019 | Gothenburg SWE | 7.18 | Ola Westerlund | William Olsson | 0-1 | 29 | Open |
| 479 | 2019-08-17 | Goteborg Open 2019 | Gothenburg SWE | 6.12 | William Olsson | Ari Ziegler | 0-1 | 31 | Open |
| 480 | 2019-08-16 | Goteborg Open 2019 | Gothenburg SWE | 4.12 | William Olsson | Melissa Castrillon Gomez | 0-1 | 41 | Open |
| 481 | 2019-08-16 | Goteborg Open 2019 | Gothenburg SWE | 2.9 | William Olsson | Anton Frisk Kockum | 0-1 | 59 | Open |
| 482 | 2019-05-12 | Kvibergspelen 2019 | Gothenburg SWE | 8.6 | Joar Olund | William Olsson | 1-0 | 25 | Open |
| 483 | 2019-05-11 | Kvibergspelen 2019 | Gothenburg SWE | 5.5 | William Olsson | Tom Rydstrom | 0-1 | 81 | Open |
| 484 | 2019-04-20 | Paskturneringen Open 2019 | Norrkoping SWE | 5.7 | Pontus Sjodahl | William Olsson | 1-0 | 58 | Open |
| 485 | 2019-02-10 | Elite Hotels Vaxjo Open | Vaxjo SWE | 8.1 | Drazen Dragicevic | William Olsson | 1-0 | 46 | Open |
| 486 | 2019-02-09 | Elite Hotels Vaxjo Open | Vaxjo SWE | 6.9 | Bengt Lindberg | William Olsson | 1-0 | 38 | Open |
| 487 | 2019-02-08 | Elite Hotels Vaxjo Open | Vaxjo SWE | 2.8 | William Olsson | Stellan Brynell | 0-1 | 38 | Open |
| 488 | 2018-08-19 | Goteborg Open 2018 | Gothenburg SWE | 8.9 | Alexander Strom-Engdahl | William Olsson | 1/2-1/2 | 42 | Open |
| 489 | 2018-08-18 | Goteborg Open 2018 | Gothenburg SWE | 6.8 | Ulf Nyberg | William Olsson | 1-0 | 25 | Open |
| 490 | 2018-08-17 | Goteborg Open 2018 | Gothenburg SWE | 2.5 | Mattias Lundstrom | William Olsson | 1-0 | 32 | Open |
| 491 | 2018-08-03 | CellaVision Cup 2018 | Lund SWE | 1.12 | William Olsson | Linus Johansson | 1-0 | 38 | Open |
| 492 | 2018-05-11 | Deltalift Open 2018 | Tylosand SWE | 6.19 | Leo Crevatin | William Olsson | 1-0 | 70 | Open |
| 493 | 2018-05-10 | Deltalift Open 2018 | Tylosand SWE | 2.6 | Christian Jepson | William Olsson | 1-0 | 25 | Open |
| 494 | 2018-04-20 | Kvibergspelen 2018 | Gothenburg SWE | 2.15 | Mikael Moller | William Olsson | 1-0 | 55 | Open |
| 495 | 2018-04-01 | Swedish Easter 2018 | Norrkoping SWE | 6.9 | Tom Rydstrom | William Olsson | 1-0 | 26 | Open |
| 496 | 2018-02-11 | Elite Hotels Vaxjo Open | Vaxjo SWE | 8.9 | Gregor J M Reid | William Olsson | 1/2-1/2 | 28 | Open |
| 497 | 2018-02-11 | Elite Hotels Vaxjo Open | Vaxjo SWE | 7.16 | William Olsson | Andre Forsberg | 1-0 | 51 | Open |
| 498 | 2018-02-10 | Elite Hotels Vaxjo Open | Vaxjo SWE | 6.22 | Per Kallerholm | William Olsson | 0-1 | 65 | Open |
| 499 | 2018-02-10 | Elite Hotels Vaxjo Open | Vaxjo SWE | 5.15 | William Olsson | Daniel Rosenbecker | 0-1 | 33 | Open |
| 500 | 2018-02-09 | Elite Hotels Vaxjo Open | Vaxjo SWE | 4.24 | Marten Garner | William Olsson | 0-1 | 53 | Open |
| 501 | 2018-02-09 | Elite Hotels Vaxjo Open | Vaxjo SWE | 3.6 | William Olsson | Thomas Ernst | 0-1 | 40 | Open |
| 502 | 2017-11-03 | Hasselbacken Open 2017 | Stockholm SWE | 1.2 | William Olsson | Erik Blomqvist | 0-1 | 20 | Open |
| 503 | 2017-08-18 | Goteborg Open 2017 | Gothenburg SWE | 3.1 | Love Troberg Eskola | William Olsson | 1-0 | 44 | Open |
| 504 | 2017-08-18 | Goteborg Open 2017 | Gothenburg SWE | 1.3 | Petro Golubka | William Olsson | 1-0 | 30 | Open |
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