184 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Elgersma, Onno | Mollema, Thomas | 1-0 | A14 | Jan Timman Schaal | 2026-09-13 |
| Elgersma, Onno | Kuipers, Stefan | 1-0 | A11 | Jan Timman Schaal | 2026-09-13 |
| Elgersma, Onno | Schoorl, Rob | 0-1 | B70 | Amsterdam Chess Festival 2026 - Groep A | 2026-07-18 |
| Elgersma, Onno | Schilstra, Laurens | 0-1 | B11 | Amsterdam Chess Festival 2026 - Groep A | 2026-07-15 |
| Elgersma, Onno | Khatniuk, Anastasiia | 1-0 | A07 | Amsterdam Chess Festival 2026 - Groep A | 2026-07-13 |
| Elgersma, Onno | Brienen, Jacob | 1-0 | B45 | Amsterdam Chess Festival 2026 - Groep A | 2026-07-11 |
| Elgersma, Onno | Korneev, Oleg | 1/2-1/2 | A07 | Round 8: Elgersma, Onno - Korneev, Oleg | 2026-03-07 |
| Elgersma, Onno | Gloeckler, Christian | 0-1 | E08 | Tata Steel Chess Qualifiers | 2026-01-31 |
| Elgersma, Onno | Van Foreest, Machteld | 1-0 | E61 | Tata Steel Chess Qualifiers | 2026-01-27 |
| Elgersma, Onno | Hrbek, Stepan | 0-1 | D37 | Tata Steel Chess Qualifiers | 2026-01-26 |
| Elgersma, Onno | Lohia, Sohum | 1-0 | E08 | Tata Steel Chess Qualifiers | 2026-01-24 |
| Elgersma, Onno | De Jong, Migchiel | 1-0 | B41 | Round 8: Elgersma, Onno - De Jong, Migchiel | 2025-12-28 |
| Elgersma, Onno | Van der Hagen, Loek | 1-0 | A46 | Round 5: Elgersma, Onno - Van der Hagen, Loek | 2025-12-26 |
| Elgersma, Onno | Schuricht, Emil Frederick | 1-0 | A13 | Round 6: Elgersma, Onno - Schuricht, Emil Frederick | 2025-12-26 |
| Elgersma, Onno | Wempe, Joost | 1-0 | A07 | Round 4: Elgersma, Onno - Wempe, Joost | 2025-12-24 |
| Elgersma, Onno | Bakija, Alan | 1/2-1/2 | A08 | Round 1: Elgersma, Onno - Bakija, Alan | 2025-12-21 |
| Elgersma, Onno | Ten Hertog, Hugo | 0-1 | B10 | KNSB competitie 2025/2026 | 2025-11-07 |
| Elgersma, Onno | Rijnaarts, Sjef | 1-0 | A07 | Round 2: Elgersma, Onno - Rijnaarts, Sjef | 2025-10-04 |
| Elgersma, Onno | De Boer, Eelke | 0-1 | A07 | Round 8: Elgersma, Onno - De Boer, Eelke | 2025-07-29 |
| Elgersma, Onno | Baselmans, Luuk | 1-0 | E32 | Round 6: Elgersma, Onno - Baselmans, Luuk | 2025-07-27 |
| Elgersma, Onno | Duijker, Rick | 1-0 | C42 | Round 4: Elgersma, Onno - Duijker, Rick | 2025-07-25 |
| Elgersma, Onno | Eckardt, Joshua | 1-0 | C11 | Round 2: Elgersma, Onno - Eckardt, Joshua | 2025-07-23 |
| Elgersma, Onno | Van Batenburg, Mees | 1-0 | A07 | Round 7: Elgersma, Onno - Van Batenburg, Mees | 2025-06-09 |
| Elgersma, Onno | Bok, Benjamin | 0-1 | A06 | Round 3: Elgersma, Onno - Bok, Benjamin | 2025-06-07 |
| Elgersma, Onno | Terlouw, Wouter | 1-0 | A05 | Round 1: Elgersma, Onno - Terlouw, Wouter | 2025-06-06 |
| Elgersma, Onno | Grooten, Herman | 1-0 | B41 | Round 5: Elgersma, Onno - Grooten, Herman | 2025-06-01 |
| Elgersma, Onno | Gkavardinas, Antonios | 1-0 | B51 | sofia25 | 2025-05-28 |
| Elgersma, Onno | Krishnan, Ritvik | 0-1 | A08 | sofia25 | 2025-05-26 |
| Elgersma, Onno | Nikolov, Sasho | 1-0 | D02 | sofia25 | 2025-05-25 |
| Elgersma, Onno | Kishore Kumar Jaganathan | 1/2-1/2 | A48 | sofia25 | 2025-05-23 |
| Elgersma, Onno | Los, Sander | 0-1 | A48 | KNSB Meesterklasse 2024-2025 | 2025-04-05 |
| Elgersma, Onno | Ernst, Sipke | 0-1 | C84 | Round 6: Elgersma, Onno - Ernst, Sipke | 2025-02-08 |
| Elgersma, Onno | Maatman, Nick | 0-1 | C42 | Round 8: Elgersma, Onno - Maatman, Nick | 2024-12-29 |
| Elgersma, Onno | Smeets, Kobe | 1-0 | A13 | Round 6: Elgersma, Onno - Smeets, Kobe | 2024-12-27 |
| Elgersma, Onno | Palchuk, Andrii | 1-0 | B30 | Round 4: Elgersma, Onno - Palchuk, Andrii | 2024-12-24 |
| Elgersma, Onno | Van Helvoort, Rob | 1-0 | B40 | Round 1: Elgersma, Onno - Van Helvoort, Rob | 2024-12-21 |
| Elgersma, Onno | Willemze, Thomas | 1-0 | B15 | Round 5: Elgersma, Onno - Willemze, Thomas | 2024-12-14 |
| Elgersma, Onno | Baselmans, Luuk | 0-1 | A08 | KNSB Meesterklasse 2024-2025 | 2024-11-09 |
| Elgersma, Onno | Bruns, Kai-Christian | 0-1 | B40 | Amsterdam Chess Open 2024 | 2024-11-02 |
| Elgersma, Onno | Schoorl, Rob | 1-0 | B27 | Round 2: Elgersma, Onno - Schoorl, Rob | 2024-09-14 |
| Elgersma, Onno | Smeets, Kobe | 0-1 | A06 | Round 2: Elgersma, Onno - Smeets, Kobe | 2024-09-14 |
| Elgersma, Onno | Tikranian, Alik | 1-0 | A05 | Round 2: Elgersma, Onno - Tikranian, Alik | 2024-09-14 |
| Elgersma, Onno | Ratsma, Midas | 1-0 | C65 | Round 4: Elgersma, Onno - Ratsma, Midas | 2024-09-14 |
| Elgersma, Onno | Grooten, Tommy | 1-0 | B40 | Round 6: Elgersma, Onno - Grooten, Tommy | 2024-09-14 |
| Elgersma, Onno | Kazarjan, Gachatur | 1-0 | A15 | Round 8: Elgersma, Onno - Kazarjan, Gachatur | 2024-09-14 |
| Elgersma, Onno | Admiraal, Miguoel | 0-1 | B18 | Round 11: Elgersma, Onno - Admiraal, Miguoel | 2024-09-14 |
| Elgersma, Onno | Wunnink, Michael | 1/2-1/2 | B66 | Amsterdam Science Park 2024 | 2024-07-18 |
| Elgersma, Onno | Duson, Robin | 1/2-1/2 | C77 | Amsterdam Science Park 2024 | 2024-07-17 |
| Elgersma, Onno | Groenewoud, Joel | 1-0 | B15 | Amsterdam Science Park 2024 | 2024-07-14 |
| Elgersma, Onno | Priansh Das | 1/2-1/2 | C09 | Round 6: Elgersma, Onno - Priansh Das | 2024-04-09 |
| Elgersma, Onno | Terekhov, Andrey | 0-1 | B40 | new tournament description | 2024-04-01 |
| Elgersma, Onno | Karamsetty, Jeevan | 1-0 | C11 | new tournament description | 2024-03-31 |
| Onno Elgersma | Machteld Van Foreest | 0-1 | B40 | Round 9: Onno Elgersma - Machteld Van Foreest | 2023-12-30 |
| Onno Elgersma | Rob Van Helvoort | 1-0 | C10 | Round 7: Onno Elgersma - Rob Van Helvoort | 2023-12-28 |
| Onno Elgersma | Amir Nicolai | 1/2-1/2 | C78 | Round 5: Onno Elgersma - Amir Nicolai | 2023-12-26 |
| Onno Elgersma | Sergei Tiviakov | 0-1 | C10 | Round 3: Onno Elgersma - Sergei Tiviakov | 2023-12-23 |
| Elgersma, Onno | Kazarjan, Gachatur | 1-0 | B50 | Hoogeveen Open 2023 | 2023-10-27 |
| Elgersma, Onno | Mueer, Sebastian | 1-0 | B40 | Hoogeveen Open 2023 | 2023-10-26 |
| Elgersma, Onno | Maatman, Nick | 1-0 | B90 | Hoogeveen Open 2023 | 2023-10-24 |
| Elgersma, Onno | Hoffman, Ron | 1-0 | B28 | Hoogeveen Open 2023 | 2023-10-23 |
| Onno Elgersma | Merijn Van Delft | 1/2-1/2 | B90 | Round 8: Onno Elgersma - Merijn Van Delft | 2023-07-21 |
| Onno Elgersma | Ed Baarslag | 1-0 | B10 | Round 5: Onno Elgersma - Ed Baarslag | 2023-07-19 |
| Onno Elgersma | Noah Ritzerveld | 1-0 | C84 | Round 1: Onno Elgersma - Noah Ritzerveld | 2023-07-15 |
| Onno Elgersma | Jan Roebers | 1/2-1/2 | C84 | HSG Open 2023 A | 2023-06-25 |
| Onno Elgersma | Pedagandham Saketh | 1/2-1/2 | C47 | Round 9: Onno Elgersma - Pedagandham Saketh | 2022-12-30 |
| Onno Elgersma | Daan Noordenbos | 1-0 | A46 | Round 7: Onno Elgersma - Daan Noordenbos | 2022-12-28 |
| Onno Elgersma | Alexander Kovchan | 0-1 | B91 | Round 4: Midas Ratsma - Stefan Macak | 2022-12-24 |
| Onno Elgersma | Cocoro Matsumura | 1-0 | B51 | Round 3: Onno Elgersma - Cocoro Matsumura | 2022-12-23 |
| Onno Elgersma | William Shakhverdian | 1-0 | C82 | Round 9: Onno Elgersma - William Shakhverdian | 2022-10-22 |
| Onno Elgersma | Adrian Clemens | 1/2-1/2 | B51 | Round 5: Onno Elgersma - Adrian Clemens | 2022-10-19 |
| Onno Elgersma | Charan Sai Kalluri Hari | 1-0 | C63 | Round 3: Onno Elgersma - Charan Sai Kalluri Hari | 2022-10-17 |
| Onno Elgersma | Brian Nijdam | 1-0 | C48 | Round 1: Onno Elgersma - Brian Nijdam | 2022-10-15 |
| Onno Elgersma | Gilian Honkoop | 1-0 | C84 | Round 9: Onno Elgersma - Gilian Honkoop | 2022-08-19 |
| Onno Elgersma | Jan Jaap Janse | 1-0 | B12 | Round 7: Onno Elgersma - Jan Jaap Janse | 2022-08-17 |
| Onno Elgersma | Koen Leenhouts | 1-0 | B40 | Round 6: Onno Elgersma - Koen Leenhouts | 2022-08-16 |
| Onno Elgersma | Elias Ruzhansky | 1-0 | B30 | Round 4: Onno Elgersma - Elias Ruzhansky | 2022-08-15 |
| Onno Elgersma | Christian Stevens | 1-0 | B52 | Round 2: Onno Elgersma - Christian Stevens | 2022-08-15 |
| Onno Elgersma | Sjoerd Van Roon | 0-1 | D05 | Round 9: Onno Elgersma - Sjoerd Van Roon | 2022-08-04 |
| Onno Elgersma | Peter Ypma | 1/2-1/2 | C65 | Round 7: Onno Elgersma - Peter Ypma | 2022-08-02 |
| Onno Elgersma | Rick Lahaye | 0-1 | B51 | Round 5: Onno Elgersma - Rick Lahaye | 2022-07-30 |
| Onno Elgersma | Tim Grutter | 1/2-1/2 | A48 | Round 3: Onno Elgersma - Tim Grutter | 2022-07-28 |
| Elgersma, Onno | Heimann, Andreas | 0-1 | B51 | open | 2022-07-19 |
| Onno Elgersma | Gilian Honkoop | 1-0 | A20 | Round 5: Onno Elgersma - Gilian Honkoop | 2022-06-19 |
| Onno Elgersma | Arthur De Winter | 1-0 | E61 | Round 3: Onno Elgersma - Arthur De Winter | 2022-06-18 |
| Onno Elgersma | Evert-Jan Straat | 1-0 | C49 | Round 1: Onno Elgersma - Evert-Jan Straat | 2022-06-17 |
| Elgersma, Onno | Broekhuis, Jan | 1-0 | C11 | WLC 2022 A | |
| Elgersma, Onno | Becx, Cesar | 1-0 | C55 | WLC 2022 A | |
| Elgersma, Onno | Roebers, Eline | 1/2-1/2 | B31 | WLC 2022 A |