IM Ruben Gideon Koellner
Country
GER
Birth Year
2004 (Age ≈22)
Gender
M
Title
International Master
FIDE ID
12993093
FIDE rating history
View rating lists
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-24 (UTC).
Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 451 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 1 | Alain Prieto Aranguren | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 452 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 11 | Milosz Szpar | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 453 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 10 | Hovik Hayrapetyan | Ruben Gideon Koellner | 1/2-1/2 | 78 | Open |
| 454 | 2024-01-30 | Titled Tue 30th Jan Late | chess.com INT | 5 | Ruben Gideon Koellner | Robin-Alexandru Dragomirescu | 0-1 | 45 | Open |
| 455 | 2024-01-30 | Titled Tue 30th Jan Late | chess.com INT | 4 | Alberto Santos Flores | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 456 | 2024-01-30 | Titled Tue 30th Jan Late | chess.com INT | 3 | Ruben Gideon Koellner | Metehan Ozen | 0-1 | 91 | Open |
| 457 | 2024-01-30 | Titled Tue 30th Jan Late | chess.com INT | 2 | Levente Miszler | Ruben Gideon Koellner | 1/2-1/2 | 66 | Open |
| 458 | 2024-01-30 | Titled Tue 30th Jan Late | chess.com INT | 1 | Ruben Gideon Koellner | Atousa Pourkashiyan | 1-0 | 70 | Open |
| 459 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 9 | Ruben Gideon Koellner | Valeriy Grinev | 1-0 | 40 | Open |
| 460 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 8 | Dmytro Biletskyy | Ruben Gideon Koellner | 0-1 | 47 | Open |
| 461 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 7 | Ruben Gideon Koellner | Denis Lazavik | 0-1 | 33 | Open |
| 462 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 6 | Ruben Gideon Koellner | Viktor Shapiro | 1-0 | 59 | Open |
| 463 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 5 | Gata Kamsky | Ruben Gideon Koellner | 1-0 | 56 | Open |
| 464 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 4 | Ruben Gideon Koellner | Bruno Andre Leite Martins | 1-0 | 51 | Open |
| 465 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 3 | Kirill Alekseenko | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 466 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 2 | Blazej Grot | Ruben Gideon Koellner | 0-1 | 74 | Open |
| 467 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 1 | Ruben Gideon Koellner | Daniel Hanwen Gong | 1-0 | 70 | Open |
| 468 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 11 | Ruben Gideon Koellner | Ralph Tan | 1/2-1/2 | 64 | Open |
| 469 | 2024-01-23 | Titled Tue 23rd Jan Late | chess.com INT | 10 | Dau Khuong Duy | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 470 | 2024-01-16 | Titled Tue 16th Jan Late | chess.com INT | 4 | Ruben Gideon Koellner | Jose Carlos Ibarra Jerez | 0-1 | 51 | Open |
| 471 | 2024-01-16 | Titled Tue 16th Jan Late | chess.com INT | 3 | Chanchal Kumer Ghosh | Ruben Gideon Koellner | 0-1 | 44 | Open |
| 472 | 2024-01-16 | Titled Tue 16th Jan Late | chess.com INT | 2 | Alexander Spichkin | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 473 | 2024-01-16 | Titled Tue 16th Jan Late | chess.com INT | 1 | Ruben Gideon Koellner | Dmitrii Marcziter | 1/2-1/2 | 50 | Open |
| 474 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 5 | Ruben Gideon Koellner | Galina Novikova | 0-1 | 81 | Open |
| 475 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 4 | Aron Pasti | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 476 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 3 | Ruben Gideon Koellner | Kevin Davidson | 1-0 | 32 | Open |
| 477 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 2 | Samuel Jesus P Goncalves | Ruben Gideon Koellner | 0-1 | 70 | Open |
| 478 | 2024-01-09 | Titled Tue 9th Jan Late | chess.com INT | 1 | Ruben Gideon Koellner | David Blanco Diez | 0-1 | 29 | Open |
| 479 | 2024-01-06 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 9.7 | Mykyta Volkov | Ruben Gideon Koellner | 1/2-1/2 | 17 | Open |
| 480 | 2024-01-05 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 8.5 | Ruben Gideon Koellner | Gengchun Wong | 1/2-1/2 | 28 | Open |
| 481 | 2024-01-05 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 7.11 | Ruben Gideon Koellner | Alfred Nemitz | 1-0 | 42 | Open |
| 482 | 2024-01-04 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 6.8 | Marharyta Khrapko | Ruben Gideon Koellner | 1/2-1/2 | 39 | Open |
| 483 | 2024-01-04 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 5.16 | Ruben Gideon Koellner | Florentin Luebke | 1-0 | 42 | Open |
| 484 | 2024-01-03 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 4.11 | Florian Lesny | Ruben Gideon Koellner | 1/2-1/2 | 80 | Open |
| 485 | 2024-01-03 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 3.2 | Ruben Gideon Koellner | Simon Knudsen | 0-1 | 50 | Open |
| 486 | 2024-01-02 | Titled Tue 2nd Jan Late | chess.com INT | 6 | Ruben Gideon Koellner | Kaua Marques Silva | 0-1 | 42 | Open |
| 487 | 2024-01-02 | Titled Tue 2nd Jan Late | chess.com INT | 5 | Grigoriy Oparin | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 488 | 2024-01-02 | Titled Tue 2nd Jan Late | chess.com INT | 4 | Ruben Gideon Koellner | Guillermo Baches Garcia | 1-0 | 42 | Open |
| 489 | 2024-01-02 | Titled Tue 2nd Jan Late | chess.com INT | 3 | Aleksa Alimpic | Ruben Gideon Koellner | 0-1 | 57 | Open |
| 490 | 2024-01-02 | Titled Tue 2nd Jan Late | chess.com INT | 2 | Ruben Gideon Koellner | Irine Kharisma Sukandar | 0-1 | 31 | Open |
| 491 | 2024-01-02 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 2.2 | Dietmar Kolbus | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 492 | 2024-01-02 | Titled Tue 2nd Jan Late | chess.com INT | 1 | Slobodan J Filipovic | Ruben Gideon Koellner | 0-1 | 74 | Open |
| 493 | 2024-01-02 | 34th Staufer-Open 2024 | Schwaebisch Gmuend GER | 1.3 | Ruben Gideon Koellner | Jonas Lenz | 1-0 | 22 | Open |
| 494 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 9 | Dumitru-Daniel Dinu | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 495 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 8 | Pedro Ramon Martinez Reyes | Ruben Gideon Koellner | 1-0 | 57 | Open |
| 496 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 7 | Ruben Gideon Koellner | Martyn Kravtsiv | 0-1 | 63 | Open |
| 497 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 6 | Joakim Nilsson | Ruben Gideon Koellner | 0-1 | 39 | Open |
| 498 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 5 | Ruben Gideon Koellner | Afruza Khamdamova | 1-0 | 44 | Open |
| 499 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 4 | Ruben Gideon Koellner | Arturo Eduardo Caceres Benitez | 1-0 | 27 | Open |
| 500 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 3 | Sargis V. Manukyan | Ruben Gideon Koellner | 1/2-1/2 | 22 | Open |
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