| 3 jul 2026 | Koelle, Tobias 2498 | Travadon, Loic 2513 | ½-½ | D37 Queen's Gambit Declined: Barmen Variation | 11 ème Open international de Porticcio | 45 | Ver |
| 1 jul 2026 | Koelle, Tobias 2498 | Kjartansson, Gudmundur 2395 | 1-0 | D41 Queen's Gambit Declined: Semi-Tarrasch Defense | 11 ème Open international de Porticcio | 37 | Ver |
| 30 jun 2026 | Sumets, Andrey 2513 | Koelle, Tobias 2498 | ½-½ | E10 Indian Defense: Anti-Nimzo-Indian | 11 ème Open international de Porticcio | 35 | Ver |
| 30 jun 2026 | Koelle, Tobias 2498 | Thorfinnsson, Bjorn 2343 | 1-0 | D37 Queen's Gambit Declined: Harrwitz Attack | 11 ème Open international de Porticcio | 44 | Ver |
| 29 jun 2026 | Maltezeanu, Stefan 2199 | Koelle, Tobias 2498 | ½-½ | B25 Sicilian Defense: Closed | 11 ème Open international de Porticcio | 80 | Ver |
| 28 jun 2026 | Koelle, Tobias 2498 | Sanjay, Vasu 2030 | 1-0 | D17 Slav Defense: Czech Variation, Krause Attack | 11 ème Open international de Porticcio | 75 | Ver |
| 27 jun 2026 | Deladerriere, Apollo 2063 | Koelle, Tobias 2498 | 0-1 | B22 Sicilian Defense: Alapin Variation | 11 ème Open international de Porticcio | 37 | Ver |
| 24 jun 2026 | Brodowski, Piotr 2452 | Koelle, Tobias 2498 | ½-½ | A45 Trompowsky Attack | 11 ème Open international de Porticcio | 24 | Ver |
| 24 jun 2026 | Koelle, Tobias 2498 | Fedorchuk, Sergey A. 2593 | ½-½ | E15 Queen's Indian Defense: Fianchetto Variation | 11 ème Open international de Porticcio | 29 | Ver |
| 22 feb 2026 | Trost, Edvin 2458 | Koelle, Tobias 2487 | ½-½ | E26 Nimzo-Indian Defense: Sämisch Variation, O'Kelly Variation | Isle of Wight Chess Tournament 2026 | Masters | 30 | Ver |
| 22 feb 2026 | Koelle, Tobias 2487 | Plat, Vojtech 2463 | ½-½ | D80 Grünfeld Defense: Zaitsev Gambit | Isle of Wight Chess Tournament 2026 | Masters | 37 | Ver |
| 21 feb 2026 | Koelle, Tobias 2487 | Kilambi, Venkata Ananth Akshay 2024 | 1-0 | D37 Queen's Gambit Declined: Three Knights Variation | Isle of Wight Chess Tournament 2026 | Masters | 28 | Ver |
| 20 feb 2026 | Royal, Shreyas 2519 | Koelle, Tobias 2487 | 0-1 | A06 Zukertort Opening | Isle of Wight Chess Tournament 2026 | Masters | 40 | Ver |
| 19 feb 2026 | Rami,Talab 2187 | Koelle, Tobias 2487 | 0-1 | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | Isle of Wight Chess Tournament 2026 | Masters | 70 | Ver |
| 19 feb 2026 | Koelle, Tobias 2487 | Jalving, August 2275 | 1-0 | D17 Slav Defense: Czech Variation, Carlsbad Variation, Morozevich Variation | Isle of Wight Chess Tournament 2026 | Masters | 44 | Ver |
| 18 feb 2026 | Wadsworth, Matthew J 2508 | Koelle, Tobias 2487 | 1-0 | A07 King's Indian Attack | Isle of Wight Chess Tournament 2026 | Masters | 53 | Ver |
| 17 feb 2026 | Koelle, Tobias 2487 | Badacsonyi, Stanley 2290 | 1-0 | D24 Queen's Gambit Accepted | Isle of Wight Chess Tournament 2026 | Masters | 29 | Ver |
| 17 feb 2026 | Cummings, David H. 2237 | Koelle, Tobias 2487 | 0-1 | A21 English Opening: King's English Variation, Kramnik-Shirov Counterattack | Isle of Wight Chess Tournament 2026 | Masters | 31 | Ver |
| 23 nov 2025 | Dathe, Frederick 2246 | Koelle, Tobias 2582 | 0-1 | A20 English Opening: King's English Variation | German University Chess Championship 2025 | Blitz (Boards 1-100) | 35 | Ver |
| 23 nov 2025 | Henning, Marvin 2097 | Koelle, Tobias 2582 | 0-1 | B50 Sicilian Defense: Delayed Alapin Variation, with d6 | German University Chess Championship 2025 | Blitz (Boards 1-100) | 41 | Ver |
