42 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Boersma, Jan | Kompaan, Rick | 1-0 | B23 | Round 3: Boersma, Jan - Kompaan, Rick | 2026-07-23 |
| Boersma, Jan | Ngangbam, Chingthang | 1-0 | B23 | Round 1: Boersma, Jan - Ngangbam, Chingthang | 2026-07-21 |
| Boersma, Jan | Van Putten, Henk | 1/2-1/2 | B23 | Round 5: Boersma, Jan - Van Putten, Henk | 2025-12-29 |
| Boersma, Jan | Sijpkens, Michiel | 1-0 | B10 | Round 2: Boersma, Jan - Sijpkens, Michiel | 2025-12-26 |
| Boersma, Jan | Guillaumond, Matthieu | 1/2-1/2 | B23 | Round 9: Boersma, Jan - Guillaumond, Matthieu | 2025-07-30 |
| Boersma, Jan | Hylarides, Charlie Ronald | 1-0 | B10 | Round 7: Boersma, Jan - Hylarides, Charlie Ronald | 2025-07-28 |
| Boersma, Jan | Haans, Kaz | 1/2-1/2 | B23 | Round 5: Boersma, Jan - Haans, Kaz | 2025-07-26 |
| Boersma, Jan | Ghilon Etienne | 0-1 | C48 | Round 3: Boersma, Jan - Ghilon Etienne | 2025-07-24 |
| Boersma, Jan | Van Ree, Thailo | 1-0 | B23 | Round 1: Boersma, Jan - Van Ree, Thailo | 2025-07-22 |
| Boersma, Jan | Boeren, Jurriaan | 1/2-1/2 | C15 | Hoogeveen Open 2023 | 2023-10-25 |
| Boersma, Jan | Kett, Tim | 0-1 | C48 | Hoogeveen Open 2023 | 2023-10-23 |
| Boersma, Jan | Van Kooten, Luuk | 1/2-1/2 | B23 | Hoogeveen Open 2023 | 2023-10-21 |
| Jan Boersma | John Raymond Markus | 1/2-1/2 | A00 | Round 9: Jan Boersma - John Raymond Markus | 2023-08-03 |
| Jan Boersma | Yu A. Hu | 0-1 | B23 | Round 7: Jan Boersma - Yu A. Hu | 2023-08-01 |
| Jan Boersma | Tom Bus | 1/2-1/2 | B23 | Round 5: Jan Boersma - Tom Bus | 2023-07-29 |
| Jan Boersma | Tom De Jong | 0-1 | B10 | Round 3: Jan Boersma - Tom De Jong | 2023-07-27 |
| Jan Boersma | Guus Bollen | 0-1 | B10 | Round 1: Jan Boersma - Guus Bollen | 2023-07-25 |
| Jan Boersma | Torsten Warnk | 1/2-1/2 | C15 | Round 9: Jan Boersma - Torsten Warnk | 2022-10-22 |
| Jan Boersma | Albert Vasse | 1/2-1/2 | B23 | Round 7: Jan Boersma - Albert Vasse | 2022-10-20 |
| Jan Boersma | Sona Asatryan | 0-1 | B14 | Round 4: Jan Boersma - Sona Asatryan | 2022-10-18 |
| Jan Boersma | Leo Spaans | 1-0 | C48 | Round 2: Jan Boersma - Leo Spaans | 2022-10-16 |