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 |
|---|---|---|---|---|---|---|---|---|---|
| 1401 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 3 | Bahadir Ozen | Ruben Gideon Koellner | 1-0 | 75 | Open |
| 1402 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 2 | Leonardo Liu | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 1403 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 1 | Ruben Gideon Koellner | Olga Karavaeva | 1-0 | 54 | Open |
| 1404 | 2021-12-27 | 1st BICA Pawn Open 2021 | Sousse TUN | 6.4 | Ruben Gideon Koellner | Evgeny Romanov | 1/2-1/2 | 25 | Open |
| 1405 | 2021-12-26 | 1st BICA Pawn Open 2021 | Sousse TUN | 4.15 | Ruben Gideon Koellner | Rami Taher | 1-0 | 49 | Open |
| 1406 | 2021-12-25 | 1st BICA Pawn Open 2021 | Sousse TUN | 3.7 | Valery Sviridov | Ruben Gideon Koellner | 1-0 | 58 | Open |
| 1407 | 2021-12-25 | 1st BICA Pawn Open 2021 | Sousse TUN | 2.21 | Ruben Gideon Koellner | Omid Bashirinia | 1-0 | 34 | Open |
| 1408 | 2021-12-24 | 1st BICA Pawn Open 2021 | Sousse TUN | 1.23 | Salem Abdulrahim | Ruben Gideon Koellner | 0-1 | 20 | Open |
| 1409 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 9 | Ruben Gideon Koellner | Pavel Chernomordik | 1-0 | 52 | Open |
| 1410 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 8 | Artur Gabrielian | Ruben Gideon Koellner | 1-0 | 69 | Open |
| 1411 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 7 | Ruben Gideon Koellner | Arash Tahbaz | 0-1 | 41 | Open |
| 1412 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 6 | Bartlomiej Turski | Ruben Gideon Koellner | 0-1 | 66 | Open |
| 1413 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 5 | Andrey Tsvetkov | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 1414 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 4 | Ruben Gideon Koellner | Oleg Krivonosov | 1-0 | 24 | Open |
| 1415 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 3 | Ildar F Idrisov | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 1416 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 2 | Ruben Gideon Koellner | Dincer Tasdogen | 0-1 | 34 | Open |
| 1417 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 1 | Ruben Gideon Koellner | Alexander A. Chernov | 1-0 | 44 | Open |
| 1418 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 11 | Ruben Gideon Koellner | Ramil Sadykov | 1-0 | 51 | Open |
| 1419 | 2021-12-21 | Titled Tuesday 21st Dec | chess.com INT | 10 | Aziz Mert Erdogdu | Ruben Gideon Koellner | 1-0 | 78 | Open |
| 1420 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 9 | Ramil Faizrakhmanov | Ruben Gideon Koellner | 1-0 | 74 | Open |
| 1421 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 8 | Ruben Gideon Koellner | Dominik Horvath | 0-1 | 29 | Open |
| 1422 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 7 | Vasiliy Korchmar | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1423 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 6 | Ruben Gideon Koellner | Arman Hakemi | 1-0 | 53 | Open |
| 1424 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 5 | Ruben Gideon Koellner | Konstantin Garagulya | 1-0 | 87 | Open |
| 1425 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 4 | Baadur Jobava | Ruben Gideon Koellner | 1-0 | 68 | Open |
| 1426 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 3 | Alexandra Shvedova | Ruben Gideon Koellner | 0-1 | 60 | Open |
| 1427 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 2 | Ruben Gideon Koellner | Vugar Rasulov | 0-1 | 35 | Open |
| 1428 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 1 | Ruben Gideon Koellner | Francisco Silva Gonzalez | 1-0 | 36 | Open |
| 1429 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 11 | Ruben Gideon Koellner | Artur Gabrielian | 0-1 | 22 | Open |
| 1430 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 10 | Ruben Gideon Koellner | Tomasz Jaskolka | 1-0 | 47 | Open |
| 1431 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 9 | Ruben Gideon Koellner | Zachary Tanenbaum | 0-1 | 62 | Open |
| 1432 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 8 | Ruben Gideon Koellner | Boris Itkis | 1-0 | 72 | Open |
| 1433 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 7 | Zbigniew Pakleza | Ruben Gideon Koellner | 1-0 | 66 | Open |
| 1434 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 6 | Ruben Gideon Koellner | Read Samadov | 0-1 | 28 | Open |
| 1435 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 5 | Ruben Gideon Koellner | Nikita Khoroshev | 1-0 | 64 | Open |
| 1436 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 4 | Frederik Svane | Ruben Gideon Koellner | 0-1 | 18 | Open |
| 1437 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 3 | Ruben Gideon Koellner | Lewis Martin | 1-0 | 66 | Open |
| 1438 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 2 | Conrad Holt | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 1439 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 1 | Jesper Morch Lauridsen | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1440 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 11 | Ruben Gideon Koellner | Daniel Rangel | 1-0 | 62 | Open |
| 1441 | 2021-12-07 | Titled Tuesday 7th Dec | chess.com INT | 10 | Kateryna Dolzhykova | Ruben Gideon Koellner | 1/2-1/2 | 114 | Open |
| 1442 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 9 | Dumitru-Daniel Dinu | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1443 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 8 | Ruben Gideon Koellner | Evgenij Shuvalov | 1-0 | 61 | Open |
| 1444 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 7 | Arman Erzhanov | Ruben Gideon Koellner | 1/2-1/2 | 69 | Open |
| 1445 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 6 | Ruben Gideon Koellner | Michael Buscar | 1-0 | 20 | Open |
| 1446 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 5 | Alicja Sliwicka | Ruben Gideon Koellner | 1-0 | 54 | Open |
| 1447 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 4 | Ruben Gideon Koellner | Rinat Jumabayev | 0-1 | 30 | Open |
| 1448 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 3 | Artak Manukian | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 1449 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 2 | Ruben Gideon Koellner | Jonah B Willow | 0-1 | 34 | Open |
| 1450 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 1 | Adrian Musat | Ruben Gideon Koellner | 0-1 | 44 | Open |
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