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 |
|---|---|---|---|---|---|---|---|---|---|
| 1551 | 2021-09-09 | 1. Int Swiss Masters 2021 | Baden Baden GER | 1.7 | Christof Koellner | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 1552 | 2021-09-05 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 11.48 | Ruben Gideon Koellner | Martin Wecker | 1-0 | 21 | Open |
| 1553 | 2021-09-04 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 10.4 | Adam Kozak | Ruben Gideon Koellner | 1-0 | 40 | Open |
| 1554 | 2021-09-03 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 9.38 | Ruben Gideon Koellner | Jorge Viterbo Ferreira | 1/2-1/2 | 98 | Open |
| 1555 | 2021-09-02 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 8.36 | Aydin Suleymanli | Ruben Gideon Koellner | 1/2-1/2 | 47 | Open |
| 1556 | 2021-09-01 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 7.34 | Ruben Gideon Koellner | Tiger Hillarp Persson | 1/2-1/2 | 45 | Open |
| 1557 | 2021-08-31 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 6.54 | Bardur Orn Birkisson | Ruben Gideon Koellner | 0-1 | 34 | Open |
| 1558 | 2021-08-30 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 5.55 | Korab Saraci | Ruben Gideon Koellner | 1/2-1/2 | 71 | Open |
| 1559 | 2021-08-29 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 4.32 | Ruben Gideon Koellner | Valentin Dragnev | 0-1 | 76 | Open |
| 1560 | 2021-08-28 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 3.56 | Ruben Gideon Koellner | Alexander Oliver Mai | 1-0 | 46 | Open |
| 1561 | 2021-08-27 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 2.36 | Luka Paichadze | Ruben Gideon Koellner | 1-0 | 61 | Open |
| 1562 | 2021-08-26 | 21st ch-EUR Indiv 2021 | Reykjavik ISL | 1.87 | Ruben Gideon Koellner | Gudmundur Orri Sveinbjornsson | 1-0 | 19 | Open |
| 1563 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 9 | Evgeny Sapunov | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 1564 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 8 | Ruben Gideon Koellner | Luis Daniel Rodriguez Hernandez | 1/2-1/2 | 15 | Open |
| 1565 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 7 | Sergey Drygalov | Ruben Gideon Koellner | 1-0 | 48 | Open |
| 1566 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 6 | Ruben Gideon Koellner | Jung Min Seo | 1-0 | 36 | Open |
| 1567 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 5 | Ali Rastbod | Ruben Gideon Koellner | 0-1 | 44 | Open |
| 1568 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 4 | Ioan-Cristian Chirila | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 1569 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 3 | Ruben Gideon Koellner | Leonardo Tristan | 0-1 | 43 | Open |
| 1570 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 2 | Ediz Gurel | Ruben Gideon Koellner | 0-1 | 86 | Open |
| 1571 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 1 | Henryk Seifert | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1572 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 11 | Aman Hambleton | Ruben Gideon Koellner | 1-0 | 93 | Open |
| 1573 | 2021-08-17 | Titled Tuesday 17th Aug | chess.com INT | 10 | Ruben Gideon Koellner | Siar Yaran | 0-1 | 19 | Open |
| 1574 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 9 | Grigory Seletsky | Ruben Gideon Koellner | 1-0 | 63 | Open |
| 1575 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 8 | Ruben Gideon Koellner | Bruno Morado Rodrigues | 1-0 | 42 | Open |
| 1576 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 7 | Jesus Martin Duque | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 1577 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 6 | Ruben Gideon Koellner | Elene Tsotsonava | 1-0 | 29 | Open |
| 1578 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 5 | Pandey Srishti | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1579 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 4 | Ruben Gideon Koellner | Ladislav Langner | 1-0 | 66 | Open |
| 1580 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 3 | Volodymyr Vusatiuk | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 1581 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 2 | Ruben Gideon Koellner | Viktoriya Tarasova | 1-0 | 86 | Open |
| 1582 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 1 | Martyna Starosta | Ruben Gideon Koellner | 1-0 | 50 | Open |
| 1583 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 11 | Joakim Nilsson | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 1584 | 2021-08-03 | Titled Tuesday 3rd Aug | chess.com INT | 10 | Ruben Gideon Koellner | Konstantin Bazarov | 1/2-1/2 | 74 | Open |
| 1585 | 2021-08-01 | Aarhus Chess House Summer | Aarhus DEN | 9.1 | Ruben Gideon Koellner | Lena Georgescu | 1/2-1/2 | 13 | Open |
| 1586 | 2021-07-31 | Aarhus Chess House Summer | Aarhus DEN | 8.1 | Mogens Thuesen | Ruben Gideon Koellner | 1/2-1/2 | 32 | Open |
| 1587 | 2021-07-31 | Aarhus Chess House Summer | Aarhus DEN | 7.1 | Pelle Bank | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 1588 | 2021-07-30 | Aarhus Chess House Summer | Aarhus DEN | 6.1 | Ruben Gideon Koellner | Mikkel Antonsen | 1-0 | 40 | Open |
| 1589 | 2021-07-29 | Aarhus Chess House Summer | Aarhus DEN | 5.1 | Jens Ove Fries-Nielsen | Ruben Gideon Koellner | 0-1 | 48 | Open |
| 1590 | 2021-07-28 | Aarhus Chess House Summer | Aarhus DEN | 4.1 | Ruben Gideon Koellner | Bjorn Ahlander | 1-0 | 40 | Open |
| 1591 | 2021-07-28 | Aarhus Chess House Summer | Aarhus DEN | 3.2 | Hilmir Freyr Heimisson | Ruben Gideon Koellner | 0-1 | 29 | Open |
| 1592 | 2021-07-27 | Aarhus Chess House Summer | Aarhus DEN | 2.2 | Ruben Gideon Koellner | Klaus Berg | 1-0 | 37 | Open |
| 1593 | 2021-07-26 | Aarhus Chess House Summer | Aarhus DEN | 1.2 | Aaron Noah Koellner | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1594 | 2021-07-18 | Sportland NRW Cup 2021 | Dortmund GER | 9.1 | Ruben Gideon Koellner | Oliver Stork | 1/2-1/2 | 27 | Open |
| 1595 | 2021-07-17 | Sportland NRW Cup 2021 | Dortmund GER | 8.5 | Alexander Krastev | Ruben Gideon Koellner | 1/2-1/2 | 30 | Open |
| 1596 | 2021-07-17 | Sportland NRW Cup 2021 | Dortmund GER | 7.2 | Ruben Gideon Koellner | Mihail Saltaev | 1/2-1/2 | 57 | Open |
| 1597 | 2021-07-16 | Sportland NRW Cup 2021 | Dortmund GER | 6.4 | Marius Deuer | Ruben Gideon Koellner | 0-1 | 63 | Open |
| 1598 | 2021-07-15 | Sportland NRW Cup 2021 | Dortmund GER | 5.3 | Ruben Gideon Koellner | Dennes Abel | 1-0 | 72 | Open |
| 1599 | 2021-07-15 | Sportland NRW Cup 2021 | Dortmund GER | 4.3 | Alessia-Mihaela Ciolacu | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1600 | 2021-07-14 | Sportland NRW Cup 2021 | Dortmund GER | 3.4 | Ruben Gideon Koellner | Moritz Runte | 1/2-1/2 | 46 | Open |
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