| Game | Result | Opening | Date |
|---|---|---|---|
| Trubini, Timon (1788) – Klatt, Marcel (2089) | 0-1 | Italian Game | 2026-07-19 |
| Mousseau, Leo (1714) – Klatt, Marcel (2089) | 1-0 | Vienna Game: Vienna Gambit | 2026-07-19 |
| Klatt, Marcel (2089) – Clausen, Martin (1956) | 0-1 | Scandinavian Defense: Blackburne Gambit | 2026-07-19 |
| Klatt, Marcel (2089) – Materia, Mario (1723) | 1-0 | Vienna Game: Mieses Variation | 2026-07-19 |
| Klatt, Marcel (2089) – Lupei, Denis (1890) | 1-0 | Caro-Kann Defense: Advance Variation | 2026-07-19 |
| Stevens, Christian (1912) – Klatt, Marcel (2089) | 1-0 | Italian Game | 2026-07-19 |
| Cao, Qingfeng (2264) – Klatt, Marcel (2089) | 1-0 | Queen's Gambit Declined | 2026-07-19 |
| Klatt, Marcel (2089) – Filimonov, Arsenii (1735) | 1-0 | Sicilian Defense: Closed | 2026-07-19 |
| Gireada, Lucas (1651) – Klatt, Marcel (2089) | 0-1 | Queen's Gambit Declined | 2026-07-19 |
| Klatt, Marcel (2089) – Dai, Wenzhi (1943) | 0-1 | Vienna Game: Mieses Variation | 2026-07-19 |
| Klatt, Marcel (2089) – Wilhelm, Serge (1923) | 1/2-1/2 | Caro-Kann Defense: Advance Variation | 2026-07-19 |
| Boner, Timm (1705) – Klatt, Marcel (2089) | 0-1 | Three Knights Opening: Steinitz Defense | 2026-07-19 |
| Pardoen, Oscar (1805) – Klatt, Marcel (2089) | 0-1 | Scotch Game: Classical Variation | 2026-07-19 |
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