17 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Heij, Jacco | Mikko, Rondo | 0-1 | D37 | Amsterdam Chess Open 2024 | 2024-11-02 |
| Heij, Jacco | Kumar, Prayan Sai | 1-0 | E14 | Amsterdam Chess Open 2024 | 2024-11-01 |
| Heij, Jacco | Tapp, James | 1-0 | E10 | Round 8: Heij, Jacco - Tapp, James | 2024-07-09 |
| Heij, Jacco | McKenna, Joshua | 1-0 | E11 | Round 6: Heij, Jacco - McKenna, Joshua | 2024-07-08 |
| Heij, Jacco | Agarwal, Amaya | 1/2-1/2 | D37 | Round 4: Heij, Jacco - Agarwal, Amaya | 2024-07-07 |
| Heij, Jacco | Powell-Jones, Liam | 1-0 | D85 | Round 2: Heij, Jacco - Powell-Jones, Liam | 2024-07-05 |
| Jacco Heij | Piet Peelen | 0-1 | D94 | Round 2: Jacco Heij - Piet Peelen | 2023-07-08 |
| Jacco Heij | Henk Vedder | 1/2-1/2 | E41 | Round 4: Jacco Heij - Henk Vedder | 2023-07-08 |
| Jacco Heij | Loek Van der Hagen | 0-1 | E98 | Round 6: Jacco Heij - Loek Van der Hagen | 2023-07-08 |