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 |
|---|---|---|---|---|---|---|---|---|---|
| 1501 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 8 | Ruben Gideon Koellner | Maximilian Mostbauer | 1-0 | 40 | Open |
| 1502 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 7 | Mykhailo Dorokhin | Ruben Gideon Koellner | 0-1 | 45 | Open |
| 1503 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 6 | Ruben Gideon Koellner | Fabian Ernesto Vivas Zamora | 1-0 | 25 | Open |
| 1504 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 5 | Omar Garcia Blanco | Ruben Gideon Koellner | 1-0 | 56 | Open |
| 1505 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 4 | Ruben Gideon Koellner | Raunak Sadhwani | 0-1 | 47 | Open |
| 1506 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 3 | Ruben Gideon Koellner | Roman Kezin | 0-1 | 33 | Open |
| 1507 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 2 | Pablo Salinas Herrera | Ruben Gideon Koellner | 0-1 | 24 | Open |
| 1508 | 2021-10-05 | Titled Tuesday 5th Oct | chess.com INT | 1 | Evan S Rosenberg | Ruben Gideon Koellner | 0-1 | 22 | Open |
| 1509 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 5 | Ruben Gideon Koellner | Bojan Todorovic | 0-1 | 19 | Open |
| 1510 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 4 | Luuk Van Kooten | Ruben Gideon Koellner | 1-0 | 45 | Open |
| 1511 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 3 | Ruben Gideon Koellner | Niranjan Navalgund | 0-1 | 38 | Open |
| 1512 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 2 | Alexander Zubov | Ruben Gideon Koellner | 1-0 | 27 | Open |
| 1513 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 1 | Nilufar Yakubbaeva | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 1514 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 9 | Luca Jr Moroni | Ruben Gideon Koellner | 1-0 | 62 | Open |
| 1515 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 7 | Ruben Gideon Koellner | Eduardo Iturrizaga Bonelli | 0-1 | 21 | Open |
| 1516 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 6 | Ruben Gideon Koellner | Read Samadov | 1-0 | 58 | Open |
| 1517 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 5 | Mikhail Kobalia | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 1518 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 4 | Lamine Brahami | Ruben Gideon Koellner | 0-1 | 26 | Open |
| 1519 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 3 | Ruben Gideon Koellner | Pavel Smirnov | 0-1 | 44 | Open |
| 1520 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 2 | Ruben Gideon Koellner | Nicholas Ladan | 1-0 | 22 | Open |
| 1521 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 1 | Dmitrij Kollars | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1522 | 2021-09-25 | Speed Chess GP2 2021 | chess.com INT | 10 | Ruben Gideon Koellner | Fabien Libiszewski | 0-1 | 37 | Open |
| 1523 | 2021-09-24 | DSB Rising Stars GM 2021 | Berlin GER | 9.2 | Ruben Gideon Koellner | Valentin Buckels | 0-1 | 32 | Open |
| 1524 | 2021-09-23 | DSB Rising Stars GM 2021 | Berlin GER | 8.4 | Mihail Saltaev | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 1525 | 2021-09-23 | DSB Rising Stars GM 2021 | Berlin GER | 7.3 | Ruben Gideon Koellner | Evgeny Romanov | 1-0 | 31 | Open |
| 1526 | 2021-09-22 | DSB Rising Stars GM 2021 | Berlin GER | 6.3 | Petr Haba | Ruben Gideon Koellner | 1/2-1/2 | 30 | Open |
| 1527 | 2021-09-21 | DSB Rising Stars GM 2021 | Berlin GER | 5.4 | Ruben Gideon Koellner | Richard Bethke | 0-1 | 54 | Open |
| 1528 | 2021-09-21 | DSB Rising Stars GM 2021 | Berlin GER | 4.2 | Leonid Sawlin | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 1529 | 2021-09-20 | DSB Rising Stars GM 2021 | Berlin GER | 3.5 | Ruben Gideon Koellner | Alexander Krastev | 1/2-1/2 | 23 | Open |
| 1530 | 2021-09-19 | DSB Rising Stars GM 2021 | Berlin GER | 2.1 | Ashot Parvanyan | Ruben Gideon Koellner | 0-1 | 75 | Open |
| 1531 | 2021-09-19 | DSB Rising Stars GM 2021 | Berlin GER | 1.5 | Zigurds Lanka | Ruben Gideon Koellner | 0-1 | 60 | Open |
| 1532 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 9 | Ruben Gideon Koellner | Aziz Mert Erdogdu | 1-0 | 42 | Open |
| 1533 | 2021-09-14 | 1. Int Swiss Masters 2021 | Baden Baden GER | 9.9 | Johannes von Mettenheim | Ruben Gideon Koellner | 0-1 | 36 | Open |
| 1534 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 8 | Andrzej Krzywda | Ruben Gideon Koellner | 0-1 | 50 | Open |
| 1535 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 7 | Ruben Gideon Koellner | Felix Hindermann | 0-1 | 23 | Open |
| 1536 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 6 | Oleg Gubanov | Ruben Gideon Koellner | 1/2-1/2 | 64 | Open |
| 1537 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 5 | Ruben Gideon Koellner | Maxime Lagarde | 0-1 | 59 | Open |
| 1538 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 4 | Alexander Rustemov | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 1539 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 3 | Nikita Vitiugov | Ruben Gideon Koellner | 1-0 | 19 | Open |
| 1540 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 2 | Ruben Gideon Koellner | David Gorodetzky | 1-0 | 70 | Open |
| 1541 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 1 | Ruben Gideon Koellner | Han Schut | 1-0 | 37 | Open |
| 1542 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 11 | Ruben Gideon Koellner | Levy Rozman | 0-1 | 16 | Open |
| 1543 | 2021-09-14 | Titled Tuesday 14th Sept | chess.com INT | 10 | Milosz Szpar | Ruben Gideon Koellner | 0-1 | 47 | Open |
| 1544 | 2021-09-13 | 1. Int Swiss Masters 2021 | Baden Baden GER | 8.6 | Ruben Gideon Koellner | Georg Froewis | 0-1 | 39 | Open |
| 1545 | 2021-09-13 | 1. Int Swiss Masters 2021 | Baden Baden GER | 7.6 | Ashot Parvanyan | Ruben Gideon Koellner | 1-0 | 58 | Open |
| 1546 | 2021-09-12 | 1. Int Swiss Masters 2021 | Baden Baden GER | 6.7 | Ruben Gideon Koellner | Nils Richter | 1-0 | 49 | Open |
| 1547 | 2021-09-11 | 1. Int Swiss Masters 2021 | Baden Baden GER | 5.6 | Niklas Schmider | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 1548 | 2021-09-11 | 1. Int Swiss Masters 2021 | Baden Baden GER | 4.5 | Ruben Gideon Koellner | Elliot Papadiamandis | 1/2-1/2 | 17 | Open |
| 1549 | 2021-09-10 | 1. Int Swiss Masters 2021 | Baden Baden GER | 3.2 | Philipp Schlosser | Ruben Gideon Koellner | 1/2-1/2 | 52 | Open |
| 1550 | 2021-09-10 | 1. Int Swiss Masters 2021 | Baden Baden GER | 2.3 | Ruben Gideon Koellner | Soham Das | 1/2-1/2 | 51 | Open |
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