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 |
|---|---|---|---|---|---|---|---|---|---|
| 501 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 2 | Ruben Gideon Koellner | Marcin Smolka | 0-1 | 72 | Open |
| 502 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 1 | Thomas Kahlert | Ruben Gideon Koellner | 0-1 | 38 | Open |
| 503 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 11 | Shakked Tifferet | Ruben Gideon Koellner | 0-1 | 39 | Open |
| 504 | 2023-12-19 | Titled Tue 19th Dec Early | chess.com INT | 10 | Ruben Gideon Koellner | Asish Panda | 0-1 | 38 | Open |
| 505 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 9 | Ruben Gideon Koellner | Etienne Bacrot | 1/2-1/2 | 73 | Open |
| 506 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 8 | Sean Senft | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 507 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 7 | Anton Demchenko | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 508 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 6 | Ruben Gideon Koellner | Timofey Iljin | 1-0 | 52 | Open |
| 509 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 5 | Ruben Gideon Koellner | Matthias Dann | 1-0 | 37 | Open |
| 510 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 4 | Piotr Lopusiewicz | Ruben Gideon Koellner | 1/2-1/2 | 61 | Open |
| 511 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 3 | Yelyzaveta Hrebenshchykova | Ruben Gideon Koellner | 1/2-1/2 | 64 | Open |
| 512 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 2 | Ruben Gideon Koellner | V Pranav | 0-1 | 35 | Open |
| 513 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 1 | Ruben Gideon Koellner | Juan Carlos Mesa Cruz | 1-0 | 30 | Open |
| 514 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 11 | Valentin Dragnev | Ruben Gideon Koellner | 0-1 | 39 | Open |
| 515 | 2023-12-12 | Titled Tue 12th Dec Early | chess.com INT | 10 | Volen Dyulgerov | Ruben Gideon Koellner | 0-1 | 12 | Open |
| 516 | 2023-12-08 | 4th elllobregat Open 2023 | Sant Boi ESP | 9.26 | Ruben Gideon Koellner | Mukhammadzokhid Suyarov | 0-1 | 77 | Open |
| 517 | 2023-12-07 | 4th elllobregat Open 2023 | Sant Boi ESP | 8.25 | Savva Vetokhin | Ruben Gideon Koellner | 1/2-1/2 | 31 | Open |
| 518 | 2023-12-06 | 4th elllobregat Open 2023 | Sant Boi ESP | 7.32 | Ruben Gideon Koellner | Alex Villa Tornero | 1-0 | 41 | Open |
| 519 | 2023-12-05 | 4th elllobregat Open 2023 | Sant Boi ESP | 6.43 | Phileas Mathieu | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 520 | 2023-12-05 | Titled Tue 5th Dec Late | chess.com INT | 3 | Aram Hakobyan | Ruben Gideon Koellner | 1-0 | 55 | Open |
| 521 | 2023-12-05 | Titled Tue 5th Dec Late | chess.com INT | 2 | Carlos Eduardo Cardozo Munar | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 522 | 2023-12-05 | Titled Tue 5th Dec Late | chess.com INT | 1 | Ruben Gideon Koellner | Evgeny Degtiarev | 1/2-1/2 | 77 | Open |
| 523 | 2023-12-04 | 4th elllobregat Open 2023 | Sant Boi ESP | 5.41 | Ruben Gideon Koellner | Zhenyong Jayden Wong | 1/2-1/2 | 25 | Open |
| 524 | 2023-12-03 | 4th elllobregat Open 2023 | Sant Boi ESP | 4.3 | Almas Rakhmatullaev | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 525 | 2023-12-02 | 4th elllobregat Open 2023 | Sant Boi ESP | 3.3 | Ruben Gideon Koellner | Narayanan S L | 0-1 | 100 | Open |
| 526 | 2023-12-01 | 4th elllobregat Open 2023 | Sant Boi ESP | 2.26 | Khumoyun Begmuratov | Ruben Gideon Koellner | 0-1 | 47 | Open |
| 527 | 2023-11-30 | 4th elllobregat Open 2023 | Sant Boi ESP | 1.38 | Ruben Gideon Koellner | Ahmad Siar Wahedi | 1-0 | 64 | Open |
| 528 | 2023-11-28 | Titled Tue 28th Nov Late | chess.com INT | 7 | Ruben Gideon Koellner | Iung Alicio de O. Pinheiro | 0-1 | 33 | Open |
| 529 | 2023-11-28 | Titled Tue 28th Nov Late | chess.com INT | 6 | Cem Kaan Gokerkan | Ruben Gideon Koellner | 1-0 | 31 | Open |
| 530 | 2023-11-28 | Titled Tue 28th Nov Late | chess.com INT | 5 | Matthias Bluebaum | Ruben Gideon Koellner | 1-0 | 20 | Open |
| 531 | 2023-11-28 | Titled Tue 28th Nov Late | chess.com INT | 4 | Ruben Gideon Koellner | Jose Carlos Ibarra Jerez | 1/2-1/2 | 71 | Open |
| 532 | 2023-11-28 | Titled Tue 28th Nov Late | chess.com INT | 3 | Ruben Gideon Koellner | David Paravyan | 1-0 | 34 | Open |
| 533 | 2023-11-28 | Titled Tue 28th Nov Early | chess.com INT | 3 | Ruben Gideon Koellner | Yuliia Osmak | 0-1 | 23 | Open |
| 534 | 2023-11-28 | Titled Tue 28th Nov Early | chess.com INT | 2 | Nyamsuren Batbold | Ruben Gideon Koellner | 0-1 | 27 | Open |
| 535 | 2023-11-28 | Titled Tue 28th Nov Late | chess.com INT | 2 | Alexander J Wang | Ruben Gideon Koellner | 0-1 | 36 | Open |
| 536 | 2023-11-28 | Titled Tue 28th Nov Late | chess.com INT | 1 | Ruben Gideon Koellner | Felix Rose | 1-0 | 74 | Open |
| 537 | 2023-11-28 | Titled Tue 28th Nov Early | chess.com INT | 1 | Ruben Gideon Koellner | Lile Koridze | 0-1 | 16 | Open |
| 538 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 9 | Ruben Gideon Koellner | Baurzhan Kassimov | 0-1 | 51 | Open |
| 539 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 8 | Ruben Gideon Koellner | Semen Kazmin | 1/2-1/2 | 114 | Open |
| 540 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 7 | Aleksandr Rakhmanov | Ruben Gideon Koellner | 1-0 | 64 | Open |
| 541 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 6 | Ruben Gideon Koellner | Alexander Devaev | 1-0 | 63 | Open |
| 542 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 5 | Carlos Jose Pinero Rodriguez | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 543 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 4 | Ruben Gideon Koellner | Bryan Xie | 1-0 | 43 | Open |
| 544 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 3 | Sreyas Payyappat | Ruben Gideon Koellner | 1-0 | 93 | Open |
| 545 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 2 | Ruben Gideon Koellner | Hikaru Nakamura | 0-1 | 37 | Open |
| 546 | 2023-11-21 | Titled Tue 21st Nov Late | chess.com INT | 1 | Ruben Gideon Koellner | Javier Buenafe Moya | 0-1 | 33 | Open |
| 547 | 2023-11-21 | Titled Tue 21st Nov Early | chess.com INT | 1 | Katarzyna Dwilewicz | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 548 | 2023-11-14 | Titled Tue 14th Nov Early | chess.com INT | 3 | Theo Bressy | Ruben Gideon Koellner | 1/2-1/2 | 58 | Open |
| 549 | 2023-11-14 | Titled Tue 14th Nov Early | chess.com INT | 2 | Ruben Gideon Koellner | Marija Kuznecova | 1-0 | 20 | Open |
| 550 | 2023-11-14 | Titled Tue 14th Nov Early | chess.com INT | 1 | Cherry Ann Mejia | Ruben Gideon Koellner | 1-0 | 61 | Open |
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