| Game | Result | Opening | Date |
|---|---|---|---|
| Waltenberger, Udo (2044) – Zerfass, Otfried (1878) | 1/2-1/2 | King's Indian Attack: Symmetrical Defense | 2026-07-10 |
| Stuemer, Paul (2020) – Zerfass, Otfried (1878) | 1/2-1/2 | King's Indian Defense: Semi-Classical Variation | 2026-07-08 |
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