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: 2026-10-26 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 1451 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 11 | Igor Lysyj | Ruben Gideon Koellner | 1-0 | 25 | Open |
| 1452 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 10 | Ruben Gideon Koellner | Orest Vovk | 1-0 | 39 | Open |
| 1453 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 9 | Ruben Gideon Koellner | Aziz Mert Erdogdu | 1-0 | 24 | Open |
| 1454 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 8 | Oleg Gubanov | Ruben Gideon Koellner | 0-1 | 61 | Open |
| 1455 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 6 | Ediz Gurel | Ruben Gideon Koellner | 0-1 | 62 | Open |
| 1456 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 5 | Ruben Gideon Koellner | Dumitru-Daniel Dinu | 1-0 | 40 | Open |
| 1457 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 4 | Vjacheslav Weetik | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1458 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 3 | Olga Matveeva | Ruben Gideon Koellner | 0-1 | 30 | Open |
| 1459 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 2 | Ruben Gideon Koellner | Alan Pichot | 0-1 | 63 | Open |
| 1460 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 1 | Isara Banidu Dahanayake | Ruben Gideon Koellner | 0-1 | 20 | Open |
| 1461 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 11 | Sergei Shipov | Ruben Gideon Koellner | 1-0 | 58 | Open |
| 1462 | 2021-11-16 | Titled Tuesday 16th Nov | chess.com INT | 10 | Ruben Gideon Koellner | Levy Rozman | 0-1 | 80 | Open |
| 1463 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 9 | Ruben Gideon Koellner | Marcos Vinicius Torsani Pires | 0-1 | 28 | Open |
| 1464 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 8 | Artak Manukian | Ruben Gideon Koellner | 1/2-1/2 | 58 | Open |
| 1465 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 7 | Ruben Gideon Koellner | Tobias Lang Nilsen | 0-1 | 55 | Open |
| 1466 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 6 | Damiano Locci | Ruben Gideon Koellner | 0-1 | 83 | Open |
| 1467 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 5 | Ruben Gideon Koellner | Levente Miszler | 1/2-1/2 | 64 | Open |
| 1468 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 4 | Jose Eduardo Martinez Alcantara | Ruben Gideon Koellner | 1-0 | 31 | Open |
| 1469 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 3 | William Alfaro | Ruben Gideon Koellner | 0-1 | 36 | Open |
| 1470 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 2 | Ruben Gideon Koellner | Frederik Svane | 0-1 | 58 | Open |
| 1471 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 1 | Ruben Gideon Koellner | Cristian-Gabriel Voiteanu | 1-0 | 1 | Open |
| 1472 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 11 | Ruben Gideon Koellner | Samarth J Rao | 1-0 | 37 | Open |
| 1473 | 2021-11-09 | Titled Tuesday 9th Nov | chess.com INT | 10 | Michel Bifulco | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1474 | 2021-11-01 | 15th Deizisau Autumn Open | Deizisau GER | 7.2 | Ruben Gideon Koellner | Aaron Noah Koellner | 1-0 | 51 | Open |
| 1475 | 2021-11-01 | 15th Deizisau Autumn Open | Deizisau GER | 6.1 | Tobias Koelle | Ruben Gideon Koellner | 1/2-1/2 | 17 | Open |
| 1476 | 2021-10-31 | 15th Deizisau Autumn Open | Deizisau GER | 5.2 | Noah Geltz | Ruben Gideon Koellner | 0-1 | 76 | Open |
| 1477 | 2021-10-30 | 15th Deizisau Autumn Open | Deizisau GER | 3.4 | Ruben Gideon Koellner | Alexander Honisch | 1-0 | 48 | Open |
| 1478 | 2021-10-30 | 15th Deizisau Autumn Open | Deizisau GER | 2.1 | Stefan Lehmann | Ruben Gideon Koellner | 1/2-1/2 | 48 | Open |
| 1479 | 2021-10-29 | 15th Deizisau Autumn Open | Deizisau GER | 1.1 | Ruben Gideon Koellner | Florian Coellen | 1-0 | 35 | Open |
| 1480 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 9 | Assel Serikbay | Ruben Gideon Koellner | 1/2-1/2 | 71 | Open |
| 1481 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 8 | Gabriel Gaehwiler | Ruben Gideon Koellner | 1-0 | 77 | Open |
| 1482 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 7 | Ruben Gideon Koellner | Atilla Eynullayev | 1-0 | 63 | Open |
| 1483 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 6 | Ruben Gideon Koellner | Pavel Plotnikov | 1-0 | 56 | Open |
| 1484 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 5 | Nicolas Brunner | Ruben Gideon Koellner | 1/2-1/2 | 42 | Open |
| 1485 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 4 | Ruben Gideon Koellner | Anna Gvanceladze | 1-0 | 64 | Open |
| 1486 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 3 | David Shahinyan | Ruben Gideon Koellner | 1-0 | 49 | Open |
| 1487 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 2 | Ruben Gideon Koellner | Damian Sliwicki | 1-0 | 29 | Open |
| 1488 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 1 | Mikhail Pesotskiy | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 1489 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 11 | Ruben Gideon Koellner | Vladimir Dobrov | 0-1 | 27 | Open |
| 1490 | 2021-10-26 | Titled Tuesday 26th Oct | chess.com INT | 10 | Ruben Gideon Koellner | Julian Estrada Nieto | 1-0 | 58 | Open |
| 1491 | 2021-10-15 | 38th Muensterland Open | Muenster GER | 9.2 | Ruben Gideon Koellner | Maurice Gulatz | 1-0 | 39 | Open |
| 1492 | 2021-10-14 | 38th Muensterland Open | Muenster GER | 8.1 | Matthias Dann | Ruben Gideon Koellner | 1/2-1/2 | 32 | Open |
| 1493 | 2021-10-13 | 38th Muensterland Open | Muenster GER | 7.2 | Ruben Gideon Koellner | Maximilian Wensing | 1-0 | 35 | Open |
| 1494 | 2021-10-12 | 38th Muensterland Open | Muenster GER | 6.3 | Bernhard Stillger | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 1495 | 2021-10-11 | 38th Muensterland Open | Muenster GER | 5.2 | Ruben Gideon Koellner | Uwe Kersten | 1/2-1/2 | 40 | Open |
| 1496 | 2021-10-10 | 38th Muensterland Open | Muenster GER | 4.2 | Roland Ollenberger | Ruben Gideon Koellner | 1/2-1/2 | 42 | Open |
| 1497 | 2021-10-10 | 38th Muensterland Open | Muenster GER | 3.2 | Ruben Gideon Koellner | Ulf Gohla | 1-0 | 30 | Open |
| 1498 | 2021-10-09 | 38th Muensterland Open | Muenster GER | 2.2 | Martin Mainusch | Ruben Gideon Koellner | 0-1 | 64 | Open |
| 1499 | 2021-10-08 | 38th Muensterland Open | Muenster GER | 1.2 | Ruben Gideon Koellner | Klaus Wingenfeld | 1-0 | 25 | Open |
| 1500 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 9 | Klementy Sychev | Ruben Gideon Koellner | 1-0 | 25 | Open |
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