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: 2026-10-20 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 401 | 2024-03-19 | Titled Tue 19th Mar Early | chess.com INT | 1 | Stanoje Jovic | Ruben Gideon Koellner | 1/2-1/2 | 43 | Open |
| 402 | 2024-03-17 | Bundesliga 2023-24 | Dresden GER | 13.1 | Ruben Gideon Koellner | Gengchun Wong | 0-1 | 42 | Open |
| 403 | 2024-03-16 | Bundesliga 2023-24 | Dresden GER | 12.2 | Sreyas Payyappat | Ruben Gideon Koellner | 1/2-1/2 | 60 | Open |
| 404 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 9 | Michal Mazurkiewicz | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 405 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 8 | Ruben Gideon Koellner | Marek Karas | 1-0 | 31 | Open |
| 406 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 7 | Aleksandr Shimanov | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 407 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 6 | Paris Prestia | Ruben Gideon Koellner | 0-1 | 44 | Open |
| 408 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 5 | Ruben Gideon Koellner | Marco Dobrikov | 1-0 | 55 | Open |
| 409 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 4 | Yoseph Theolifus Taher | Ruben Gideon Koellner | 1-0 | 28 | Open |
| 410 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 3 | Ruben Gideon Koellner | Vahap Sanal | 1/2-1/2 | 45 | Open |
| 411 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 2 | Ruben Gideon Koellner | Oscar Gerardo Sanchez Enriquez | 1-0 | 43 | Open |
| 412 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 1 | Simeon Todev | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 413 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 11 | David Paravyan | Ruben Gideon Koellner | 1/2-1/2 | 66 | Open |
| 414 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 10 | Ruben Gideon Koellner | Alan Pichot | 1-0 | 25 | Open |
| 415 | 2024-03-05 | Titled Tue 5th Mar Early | chess.com INT | 2 | David George Samir | Ruben Gideon Koellner | 1-0 | 68 | Open |
| 416 | 2024-03-05 | Titled Tue 5th Mar Early | chess.com INT | 1 | Ruben Gideon Koellner | Anna-Maja Kazarian | 0-1 | 57 | Open |
| 417 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 9 | Ruben Gideon Koellner | Alan Pichot | 0-1 | 31 | Open |
| 418 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 8 | Eduardo Jesus Mendez Fortes | Ruben Gideon Koellner | 0-1 | 82 | Open |
| 419 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 7 | Dashgyn Ibadov | Ruben Gideon Koellner | 0-1 | 57 | Open |
| 420 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 6 | Ruben Gideon Koellner | Erigaisi Arjun | 0-1 | 70 | Open |
| 421 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 5 | Kamal Aghasiyev | Ruben Gideon Koellner | 0-1 | 61 | Open |
| 422 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 4 | Ruben Gideon Koellner | Olexandr Bortnyk | 0-1 | 25 | Open |
| 423 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 3 | Ruben Gideon Koellner | Gustavo Ribeiro | 1-0 | 40 | Open |
| 424 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 2 | Erik Ronka | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 425 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 1 | Ruben Gideon Koellner | Michael Kotyk | 1-0 | 48 | Open |
| 426 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 11 | Ruben Gideon Koellner | Vugar Rasulov | 1-0 | 34 | Open |
| 427 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 10 | Alberto Martin Fuentes | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 428 | 2024-02-13 | Baden-Baden Faschingsopen | Baden Baden GER | 9.5 | Ruben Gideon Koellner | Simon Knudsen | 1-0 | 45 | Open |
| 429 | 2024-02-13 | Baden-Baden Faschingsopen | Baden Baden GER | 8.8 | Henrik Cernov | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 430 | 2024-02-12 | Baden-Baden Faschingsopen | Baden Baden GER | 7.8 | Ruben Gideon Koellner | Pascal Nied | 1/2-1/2 | 71 | Open |
| 431 | 2024-02-12 | Baden-Baden Faschingsopen | Baden Baden GER | 6.7 | Timur Kocharin | Ruben Gideon Koellner | 1/2-1/2 | 108 | Open |
| 432 | 2024-02-11 | Baden-Baden Faschingsopen | Baden Baden GER | 5.5 | Ruben Gideon Koellner | Martin Hartmann | 1/2-1/2 | 97 | Open |
| 433 | 2024-02-11 | Baden-Baden Faschingsopen | Baden Baden GER | 4.9 | Hannes Metzinger | Ruben Gideon Koellner | 0-1 | 50 | Open |
| 434 | 2024-02-10 | Baden-Baden Faschingsopen | Baden Baden GER | 3.4 | Ruben Gideon Koellner | Xiao Zhang | 0-1 | 74 | Open |
| 435 | 2024-02-10 | Baden-Baden Faschingsopen | Baden Baden GER | 2.4 | Maximilian Menzel | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 436 | 2024-02-09 | Baden-Baden Faschingsopen | Baden Baden GER | 1.4 | Ruben Gideon Koellner | Daniel Goldinov | 1-0 | 33 | Open |
| 437 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 9 | Ruben Gideon Koellner | Viktor N. Parfenov | 1-0 | 20 | Open |
| 438 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 8 | Eray Kilic | Ruben Gideon Koellner | 1-0 | 88 | Open |
| 439 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 7 | Sarp Sahin | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 440 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 6 | Ruben Gideon Koellner | Francesco Bettalli | 0-1 | 68 | Open |
| 441 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 6 | Ruben Gideon Koellner | Samson Benen | 1-0 | 18 | Open |
| 442 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 5 | Nikolas Theodorou | Ruben Gideon Koellner | 1-0 | 49 | Open |
| 443 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 5 | Malak Ismayil | Ruben Gideon Koellner | 1/2-1/2 | 78 | Open |
| 444 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 4 | Ruben Gideon Koellner | Valerio Carnicelli | 1/2-1/2 | 77 | Open |
| 445 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 4 | Ruben Gideon Koellner | Igor Wilk | 1-0 | 33 | Open |
| 446 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 3 | Aadit Bhatia | Ruben Gideon Koellner | 0-1 | 27 | Open |
| 447 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 3 | Bogdan-Daniel Deac | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 448 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 2 | Ruben Gideon Koellner | Carlos A. Juarez Flores | 0-1 | 39 | Open |
| 449 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 2 | Ruben Gideon Koellner | Evgueniy Taranenko | 1-0 | 36 | Open |
| 450 | 2024-02-06 | Titled Tue 6th Feb Early | chess.com INT | 1 | Mushini Ajay | Ruben Gideon Koellner | 0-1 | 53 | Open |
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