| Game | Result | Opening | Date |
|---|---|---|---|
| Gollasch, Theo-Heinz (1965) – Haug, Siegmund (1815) | 0-1 | Neo-Grünfeld Defense: Delayed Exchange Variation | 2026-07-04 |
| Haug, Siegmund (1815) – Litvinov, Dimitri, Dr. (1976) | 1/2-1/2 | Queen's Pawn Game: Zukertort Variation | 2026-07-03 |
| Zimmer, Rolf (2021) – Haug, Siegmund (1815) | 1-0 | Sicilian Defense | 2026-07-02 |
| Haug, Siegmund (1815) – Holzschuh, Peter (2014) | 1-0 | Torre Attack: Fianchetto Defense | 2026-07-01 |
| Mueller, Michael (2065) – Haug, Siegmund (1815) | 1-0 | London System | 2026-06-26 |
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