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 |
|---|---|---|---|---|---|---|---|---|---|
| 301 | 2024-05-28 | Titled Tue 28th May Early | chess.com INT | 6 | Ruben Gideon Koellner | Bharadia Yash | 1-0 | 35 | Open |
| 302 | 2024-05-28 | Titled Tue 28th May Early | chess.com INT | 5 | Alexandros Papasimakopoulos | Ruben Gideon Koellner | 1-0 | 55 | Open |
| 303 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 4 | Alain Otero Marino | Ruben Gideon Koellner | 1-0 | 49 | Open |
| 304 | 2024-05-28 | Titled Tue 28th May Early | chess.com INT | 4 | Ruben Gideon Koellner | Timofey Iljin | 1-0 | 60 | Open |
| 305 | 2024-05-28 | Titled Tue 28th May Early | chess.com INT | 3 | Soham Kamotra | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 306 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 3 | Ruben Gideon Koellner | Jacob Flynn | 1-0 | 61 | Open |
| 307 | 2024-05-28 | Titled Tue 28th May Early | chess.com INT | 2 | Ruben Gideon Koellner | Leopold Le Ruyet | 1-0 | 34 | Open |
| 308 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 2 | Ruben Gideon Koellner | Augustin Droin | 0-1 | 50 | Open |
| 309 | 2024-05-28 | Titled Tue 28th May Late | chess.com INT | 1 | Juan Manuel Garcia Almaguer | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 310 | 2024-05-28 | Titled Tue 28th May Early | chess.com INT | 1 | Michal Kopczynski | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 311 | 2024-05-21 | Titled Tue 21st May Late | chess.com INT | 2 | Carlos Alvarado | Ruben Gideon Koellner | 1/2-1/2 | 85 | Open |
| 312 | 2024-05-21 | Titled Tue 21st May Late | chess.com INT | 1 | Ruben Gideon Koellner | Matias Jaque Gutierrez | 0-1 | 49 | Open |
| 313 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 9 | Ruben Gideon Koellner | Mrudul Dehankar | 1-0 | 38 | Open |
| 314 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 8 | Ruben Gideon Koellner | Yevhenii Yelisieiev | 1-0 | 78 | Open |
| 315 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 7 | Faustino Oro | Ruben Gideon Koellner | 1-0 | 73 | Open |
| 316 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 7 | Ruben Gideon Koellner | Chen Zou | 0-1 | 57 | Open |
| 317 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 6 | Ruben Gideon Koellner | Tykhon Cherniaiev | 1/2-1/2 | 51 | Open |
| 318 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 6 | Maciej Sroczynski | Ruben Gideon Koellner | 0-1 | 18 | Open |
| 319 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 5 | Ruben Gideon Koellner | Grigory Seletsky | 1-0 | 91 | Open |
| 320 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 5 | Ruben Gideon Koellner | Milosz Szpar | 1/2-1/2 | 126 | Open |
| 321 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 4 | Klendi Zeneli | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 322 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 4 | Daniel Herman | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 323 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 3 | Ruben Gideon Koellner | Ronan Le Goff | 1-0 | 35 | Open |
| 324 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 3 | Ruben Gideon Koellner | Sharath Radhakrishnan | 0-1 | 50 | Open |
| 325 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 2 | Jaime Santos Latasa | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 326 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 2 | Aaron Matthes | Ruben Gideon Koellner | 0-1 | 55 | Open |
| 327 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 1 | Aiden Zhou | Ruben Gideon Koellner | 0-1 | 57 | Open |
| 328 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 1 | Ruben Gideon Koellner | David George Samir | 0-1 | 60 | Open |
| 329 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 11 | Ruben Gideon Koellner | Alejandro Castellanos Gomez | 0-1 | 28 | Open |
| 330 | 2024-05-14 | Titled Tue 14th May Early | chess.com INT | 10 | Matvey Galchenko | Ruben Gideon Koellner | 1-0 | 77 | Open |
| 331 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 9.42 | Pavel Smirnov | Ruben Gideon Koellner | 1-0 | 76 | Open |
| 332 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 8.43 | Samvel Ter-Sahakyan | Ruben Gideon Koellner | 1/2-1/2 | 39 | Open |
| 333 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 7.55 | Ruben Gideon Koellner | Anton Demchenko | 1-0 | 48 | Open |
| 334 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 6.44 | Bogdan-Daniel Deac | Ruben Gideon Koellner | 1-0 | 40 | Open |
| 335 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 5.59 | Constantin Lupulescu | Ruben Gideon Koellner | 0-1 | 44 | Open |
| 336 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 4.57 | Ruben Gideon Koellner | Sanan Sjugirov | 1/2-1/2 | 45 | Open |
| 337 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 3.43 | Bardiya Daneshvar | Ruben Gideon Koellner | 1-0 | 55 | Open |
| 338 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 2.49 | Ruben Gideon Koellner | Christopher Woojin Yoo | 1/2-1/2 | 60 | Open |
| 339 | 2024-05-08 | Chess.com Classic Play-In | chess.com INT | 1.49 | Ruben Gideon Koellner | Pouya Idani | 1/2-1/2 | 72 | Open |
| 340 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 9 | Roman Gavrilin | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 341 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 8 | Ruben Gideon Koellner | Sanan Sjugirov | 0-1 | 59 | Open |
| 342 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 7 | Ruben Gideon Koellner | Ryan Hamley | 1-0 | 72 | Open |
| 343 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 6 | Jose Carlos Ibarra Jerez | Ruben Gideon Koellner | 1-0 | 55 | Open |
| 344 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 5 | Ruben Gideon Koellner | Mohammadhossein Shamsi | 1-0 | 28 | Open |
| 345 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 4 | Peter T Roberson | Ruben Gideon Koellner | 0-1 | 27 | Open |
| 346 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 3 | Ruben Gideon Koellner | Alexey Sarana | 0-1 | 50 | Open |
| 347 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 2 | Albert Tomasi | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 348 | 2024-05-07 | Titled Tue 7th May Early | chess.com INT | 2 | Ruben Gideon Koellner | Blazej Grot | 0-1 | 73 | Open |
| 349 | 2024-05-07 | Titled Tue 7th May Early | chess.com INT | 1 | Sabrina Vega Gutierrez | Ruben Gideon Koellner | 1/2-1/2 | 68 | Open |
| 350 | 2024-05-07 | Titled Tue 7th May Late | chess.com INT | 1 | Ruben Gideon Koellner | Maxim Novik | 1-0 | 40 | Open |
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