| 23 ago 2026 | Koelber, Daniel 2255 | Mayrhuber, Tobias 2131 | ½-½ | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo | Oberbank Challenger Open 2026 | 68 | Ver |
| 22 ago 2026 | Koelber, Daniel 2255 | Beduschi, Ben 2017 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | Oberbank Challenger Open 2026 | 53 | Ver |
| 21 ago 2026 | Maier, Tobias 2082 | Koelber, Daniel 2255 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, Petronić Attack | Oberbank Challenger Open 2026 | 32 | Ver |
| 20 ago 2026 | Koelber, Daniel 2255 | Wu, Chenshan 2064 | ½-½ | C07 Defensa Francesa: Tarrasch Variation, Chistyakov Defense | Oberbank Challenger Open 2026 | 39 | Ver |
| 19 ago 2026 | Poon, Pak Yu 2124 | Koelber, Daniel 2255 | ½-½ | A30 Apertura Inglesa: Symmetrical Variation | Oberbank Challenger Open 2026 | 21 | Ver |
| 18 ago 2026 | Koelber, Daniel 2255 | Hertneck, Gerald 2415 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Short Variation | Oberbank Challenger Open 2026 | 34 | Ver |
| 17 ago 2026 | Matthias, Thorsten 2034 | Koelber, Daniel 2255 | 0-1 | D91 Defensa Grünfeld: Three Knights Variation, Petrosian System | Oberbank Challenger Open 2026 | 78 | Ver |
| 16 ago 2026 | Koelber, Daniel 2255 | Humer, Wolfgang 2051 | 1-0 | C41 Defensa Philidor: Lion Variation | Oberbank Challenger Open 2026 | 73 | Ver |
| 4 ene 2026 | Mrozowski, Patryk 2178 | Koelber, Daniel 2286 | ½-½ | B99 Defensa Siciliana: Najdorf Variation, Main Line | Open A | 19 | Ver |
| 3 ene 2026 | Koelber, Daniel 2286 | Adharsh K 2339 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | Open A | 47 | Ver |
| 2 ene 2026 | Czernek, Tymon 2399 | Koelber, Daniel 2286 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, English Attack | Open A | 44 | Ver |
| 2 ene 2026 | Koelber, Daniel 2286 | Salci, Aytug Celal 2110 | 1-0 | B67 Defensa Siciliana: Richter-Rauzer Variation, Neo-Modern Variation | Open A | 46 | Ver |
| 30 dic 2025 | Koelber, Daniel 2274 | Pancewicz, Szymon 2107 | 1-0 | B12 Defensa Caro-Kann: Advance Variation, Botvinnik-Carls Defense | Open A | 73 | Ver |
| 29 dic 2025 | Dzwierzynski, Bartosz 2114 | Koelber, Daniel 2274 | ½-½ | D89 Defensa Grünfeld: Exchange Variation, Sokolsky Variation | Open A | 30 | Ver |
| 28 dic 2025 | Koelber, Daniel 2274 | Divry, Alexandre 2127 | ½-½ | B12 Defensa Caro-Kann: Advance Variation, Botvinnik-Carls Defense | Open A | 39 | Ver |
| 27 dic 2025 | Cichon, Bartlomiej 2146 | Koelber, Daniel 2274 | 0-1 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | Open A | 38 | Ver |
| 21 sep 2025 | Lahav, Michal 2183 | Koelber, Daniel 2270 | ½-½ | B22 Defensa Siciliana: Alapin Variation | exe:Slovakia open Bratislava 25 | 19 | Ver |
| 19 sep 2025 | Boesel, Alexander 2037 | Koelber, Daniel 2270 | ½-½ | B51 Defensa Siciliana: Moscow Variation | exe:Slovakia open Bratislava 25 | 25 | Ver |
| 18 sep 2025 | Koelber, Daniel 2270 | Hrbek, Stepan 2426 | 0-1 | B32 Defensa Siciliana: Kalashnikov Variation | exe:Slovakia open Bratislava 25 | 50 | Ver |
| 17 sep 2025 | Gay, Lukas 2092 | Koelber, Daniel 2270 | 0-1 | B90 Defensa Siciliana: Najdorf Variation, English Attack | exe:Slovakia open Bratislava 25 | 23 | Ver |