| Game | Result | Opening | Date |
|---|---|---|---|
| Ghosh, David (1685) – Lachat, Pierre (1904) | 0-1 | Sicilian Defense: Taimanov Variation | 2026-07-12 |
| Lachat, Pierre (1904) – Belmadani, Naim (1758) | 1-0 | Italian Game: Two Knights Defense | 2026-07-12 |
| Boyer, Jean-Francois (1749) – Lachat, Pierre (1904) | 0-1 | Sicilian Defense: Open | 2026-07-12 |
| Lachat, Pierre (1904) – Gheorghiu, Harry (1751) | 0-1 | Nimzo-Larsen Attack: Indian Variation | 2026-07-12 |
| Lachat, Pierre (1904) – Paholok, Igor (1784) | 0-1 | Pterodactyl Defense: Queen Pterodactyl, Quiet Line | 2026-07-12 |
| Alrefae, Ahmad (1797) – Lachat, Pierre (1904) | 1-0 | Sicilian Defense: Accelerated Dragon | 2026-07-12 |
| Lachat, Pierre (1904) – Gluckman, David (2161) | 0-1 | Dutch Defense: Rubinstein Variation | 2026-07-12 |
| Cherniaev, Alexander (2299) – Lachat, Pierre (1904) | 1-0 | Sicilian Defense: Closed, Traditional | 2026-07-12 |
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