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 |
|---|---|---|---|---|---|---|---|---|---|
| 351 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 11 | Tamas Banusz | Ruben Gideon Koellner | 1-0 | 62 | Open |
| 352 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 10 | Ruben Gideon Koellner | Nicola Altini | 1-0 | 54 | Open |
| 353 | 2024-04-28 | Bundesliga 2023-24 | Hannover GER | 15.4 | Collin Colbow | Ruben Gideon Koellner | 1/2-1/2 | 36 | Open |
| 354 | 2024-04-27 | Bundesliga 2023-24 | Hannover GER | 14.4 | Ruben Gideon Koellner | Blazimir Kovacevic | 0-1 | 102 | Open |
| 355 | 2024-04-23 | Titled Tue 23rd Apr Early | chess.com INT | 7 | Ruben Gideon Koellner | Mohamed Ezat | 0-1 | 32 | Open |
| 356 | 2024-04-23 | Titled Tue 23rd Apr Early | chess.com INT | 6 | Maxim Novik | Ruben Gideon Koellner | 0-1 | 48 | Open |
| 357 | 2024-04-23 | Titled Tue 23rd Apr Early | chess.com INT | 5 | Ruben Gideon Koellner | Sam Shankland | 0-1 | 78 | Open |
| 358 | 2024-04-23 | Titled Tue 23rd Apr Early | chess.com INT | 4 | Ruben Gideon Koellner | Leonel Figueredo Losada | 1-0 | 31 | Open |
| 359 | 2024-04-23 | Titled Tue 23rd Apr Early | chess.com INT | 3 | Rudik Makarian | Ruben Gideon Koellner | 1-0 | 19 | Open |
| 360 | 2024-04-23 | Titled Tue 23rd Apr Early | chess.com INT | 2 | Ramon Jr. Manon-og | Ruben Gideon Koellner | 0-1 | 58 | Open |
| 361 | 2024-04-23 | Titled Tue 23rd Apr Late | chess.com INT | 1 | Sean Senft | Ruben Gideon Koellner | 1-0 | 46 | Open |
| 362 | 2024-04-23 | Titled Tue 23rd Apr Early | chess.com INT | 1 | Ruben Gideon Koellner | Piotr Brzezina | 1-0 | 75 | Open |
| 363 | 2024-04-16 | Titled Tue 16th Apr Late | chess.com INT | 4 | Jan Boder | Ruben Gideon Koellner | 1-0 | 56 | Open |
| 364 | 2024-04-16 | Titled Tue 16th Apr Late | chess.com INT | 3 | Ruben Gideon Koellner | Vincent W Stone | 1-0 | 29 | Open |
| 365 | 2024-04-16 | Titled Tue 16th Apr Late | chess.com INT | 2 | Orest Vovk | Ruben Gideon Koellner | 1/2-1/2 | 74 | Open |
| 366 | 2024-04-16 | Titled Tue 16th Apr Late | chess.com INT | 1 | Ruben Gideon Koellner | Galina Novikova | 1-0 | 29 | Open |
| 367 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 9 | Ruben Gideon Koellner | Gokhale Rishabh Chandrashekhar | 1-0 | 44 | Open |
| 368 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 8 | Ruben Gideon Koellner | Alexey Sarana | 0-1 | 34 | Open |
| 369 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 7 | Timofey Iljin | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 370 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 6 | Ruben Gideon Koellner | Gor Glidzhain | 1-0 | 55 | Open |
| 371 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 5 | Maksim Volkov | Ruben Gideon Koellner | 1-0 | 55 | Open |
| 372 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 4 | Ruben Gideon Koellner | Luke C Miller | 1-0 | 11 | Open |
| 373 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 3 | Ediz Gurel | Ruben Gideon Koellner | 1-0 | 38 | Open |
| 374 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 2 | Rushan Bogaudinov | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 375 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 1 | Ruben Gideon Koellner | Artem Postnikov | 1-0 | 28 | Open |
| 376 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 11 | Bojan Maksimovic | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 377 | 2024-04-09 | Titled Tue 9th Apr Early | chess.com INT | 10 | Christof Sielecki | Ruben Gideon Koellner | 0-1 | 57 | Open |
| 378 | 2024-04-01 | GRENKE Chess Open 2024 | Karlsruhe GER | 9.25 | Torben Knuedel | Ruben Gideon Koellner | 0-1 | 36 | Open |
| 379 | 2024-04-01 | GRENKE Chess Open 2024 | Karlsruhe GER | 8.29 | Ruben Gideon Koellner | Jakub Janeczko | 1/2-1/2 | 49 | Open |
| 380 | 2024-03-31 | GRENKE Chess Open 2024 | Karlsruhe GER | 7.35 | Marco Dobrikov | Ruben Gideon Koellner | 0-1 | 58 | Open |
| 381 | 2024-03-31 | GRENKE Chess Open 2024 | Karlsruhe GER | 6.32 | Ruben Gideon Koellner | Gulrukhbegim Tokhirjonova | 1/2-1/2 | 45 | Open |
| 382 | 2024-03-30 | GRENKE Chess Open 2024 | Karlsruhe GER | 5.25 | Adam Frank | Ruben Gideon Koellner | 1/2-1/2 | 32 | Open |
| 383 | 2024-03-30 | GRENKE Chess Open 2024 | Karlsruhe GER | 4.39 | Ruben Gideon Koellner | Carsten Hecht | 1-0 | 76 | Open |
| 384 | 2024-03-29 | GRENKE Chess Open 2024 | Karlsruhe GER | 3.36 | Christoph Kuberczyk | Ruben Gideon Koellner | 1/2-1/2 | 56 | Open |
| 385 | 2024-03-29 | GRENKE Chess Open 2024 | Karlsruhe GER | 2.47 | Ruben Gideon Koellner | Marharyta Khrapko | 1-0 | 82 | Open |
| 386 | 2024-03-28 | GRENKE Chess Open 2024 | Karlsruhe GER | 1.53 | Andreas Mende | Ruben Gideon Koellner | 0-1 | 50 | Open |
| 387 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 7 | Ruben Gideon Koellner | Marek Karas | 0-1 | 77 | Open |
| 388 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 6 | Renato Terry | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 389 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 5 | Ruben Gideon Koellner | Viacheslav Tikhonov | 1-0 | 54 | Open |
| 390 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 4 | Irina Bulmaga | Ruben Gideon Koellner | 1/2-1/2 | 91 | Open |
| 391 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 3 | Ruben Gideon Koellner | Olexandr Bortnyk | 0-1 | 58 | Open |
| 392 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 2 | Ruben Gideon Koellner | Asish Panda | 1-0 | 78 | Open |
| 393 | 2024-03-26 | Titled Tue 26th Mar Early | chess.com INT | 1 | Ruben Gideon Koellner | Rushan Bogaudinov | 0-1 | 47 | Open |
| 394 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 1 | Michal Mazurkiewicz | Ruben Gideon Koellner | 0-1 | 51 | Open |
| 395 | 2024-03-19 | Titled Tue 19th Mar Early | chess.com INT | 7 | Ruben Gideon Koellner | Alexander King | 0-1 | 57 | Open |
| 396 | 2024-03-19 | Titled Tue 19th Mar Early | chess.com INT | 6 | David Paravyan | Ruben Gideon Koellner | 1-0 | 38 | Open |
| 397 | 2024-03-19 | Titled Tue 19th Mar Early | chess.com INT | 5 | Ruben Gideon Koellner | Vasif Durarbayli | 1/2-1/2 | 62 | Open |
| 398 | 2024-03-19 | Titled Tue 19th Mar Early | chess.com INT | 4 | Ruben Gideon Koellner | Sanan Sjugirov | 1-0 | 54 | Open |
| 399 | 2024-03-19 | Titled Tue 19th Mar Early | chess.com INT | 3 | Viktor Skliarov | Ruben Gideon Koellner | 0-1 | 62 | Open |
| 400 | 2024-03-19 | Titled Tue 19th Mar Early | chess.com INT | 2 | Ruben Gideon Koellner | Metehan Ozen | 1-0 | 48 | Open |
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