23 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Beeck, Mats | Porth, Hartmut | 1/2-1/2 | C41 | Round 7: Beeck, Mats - Porth, Hartmut | 2025-11-02 |
| Beeck, Mats | Koniahli, Malek | 1-0 | E91 | Round 4: Beeck, Mats - Koniahli, Malek | 2025-11-01 |
| Beeck, Mats | Hrbek, Jachym | 1-0 | A05 | Round 3: Beeck, Mats - Hrbek, Jachym | 2025-10-31 |
| Beeck, Mats | Berezovskii, Arina | 1-0 | E06 | Round 1: Beeck, Mats - Berezovskii, Arina | 2025-10-30 |
| Beeck, Mats | Engel, Luis | 0-1 | A13 | Round 2: Beeck, Mats - Engel, Luis | 2025-04-18 |
| Beeck, Mats | Kieselbach, Marvin | 1-0 | A05 | Round 5: Beeck, Mats - Kieselbach, Marvin | 2024-12-29 |
| Beeck, Mats | Gressmann, Moritz | 0-1 | D25 | Round 3: Beeck, Mats - Gressmann, Moritz | 2024-12-28 |
| Beeck, Mats | Kieselbach, Jannik | 1-0 | E15 | Round 1: Beeck, Mats - Kieselbach, Jannik | 2024-12-27 |
| Mats Beeck | Konstantinos Michaelides | 1-0 | A13 | Round 9: Mats Beeck - Konstantinos Michaelides | 2023-09-03 |
| Mats Beeck | Benedict Krause | 0-1 | A40 | Round 6: Mats Beeck - Benedict Krause | 2023-08-31 |
| Mats Beeck | David Merei | 1-0 | A18 | Round 5: Mats Beeck - David Merei | 2023-08-30 |
| Beeck, Mats | Sentissi, Yassine | 0-1 | D85 | Guimaraes Chess 2021 | 2021-08-26 |