| Game | Result | Opening | Date |
|---|---|---|---|
| Brettschneider, Karl (1989) – Alter, Alexander (1850) | 1-0 | English Opening: Caro-Kann Defensive System | 2026-06-28 |
| Dittmar, Peter (2134) – Alter, Alexander (1850) | 1-0 | Slav Defense | 2026-06-26 |
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