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 |
|---|---|---|---|---|---|---|---|---|---|
| 1351 | 2022-03-17 | Primavera Cattolica Open | Cattolica ITA | 2.13 | Angelo Damia | Ruben Gideon Koellner | 1/2-1/2 | 49 | Open |
| 1352 | 2022-03-16 | Primavera Cattolica Open | Cattolica ITA | 1.15 | Ruben Gideon Koellner | Alessio Gattafoni | 1-0 | 42 | Open |
| 1353 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 9 | Koosha Jaferian | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 1354 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 8 | Ruben Gideon Koellner | Zbigniew Pakleza | 0-1 | 45 | Open |
| 1355 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 7 | Aleksandar Indjic | Ruben Gideon Koellner | 1/2-1/2 | 41 | Open |
| 1356 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 6 | Shiyam Thavandiran | Ruben Gideon Koellner | 0-1 | 36 | Open |
| 1357 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 5 | Ruben Gideon Koellner | Aleksandra Maltsevskaya | 1-0 | 48 | Open |
| 1358 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 4 | Sergey Vokarev | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 1359 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 3 | Nurai Sovetbekova | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 1360 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 2 | Ruben Gideon Koellner | Rinat Jumabayev | 0-1 | 63 | Open |
| 1361 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 1 | Alexandr Fier | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 1362 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 11 | Ruben Gideon Koellner | Viktor Skliarov | 0-1 | 31 | Open |
| 1363 | 2022-03-15 | Titled Tue 15th Mar Early | chess.com INT | 10 | Evgeny Postny | Ruben Gideon Koellner | 1-0 | 75 | Open |
| 1364 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 9 | Ruben Gideon Koellner | Jose Carlos Ibarra Jerez | 0-1 | 58 | Open |
| 1365 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 8 | Jorden Van Foreest | Ruben Gideon Koellner | 1/2-1/2 | 63 | Open |
| 1366 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 7 | Ruben Gideon Koellner | Jose Eduardo Martinez Alcantara | 1-0 | 58 | Open |
| 1367 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 6 | Vuk Djordjevic | Ruben Gideon Koellner | 0-1 | 95 | Open |
| 1368 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 5 | Martin Hollan | Ruben Gideon Koellner | 0-1 | 54 | Open |
| 1369 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 4 | Ruben Gideon Koellner | Oskar Wieczorek | 1-0 | 32 | Open |
| 1370 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 3 | Ruben Gideon Koellner | Nemanja Zivkovic | 1/2-1/2 | 65 | Open |
| 1371 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 2 | Grayson Rorrer | Ruben Gideon Koellner | 0-1 | 61 | Open |
| 1372 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 1 | Leonardo Tristan | Ruben Gideon Koellner | 1-0 | 69 | Open |
| 1373 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 11 | Shiyam Thavandiran | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 1374 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 10 | Ruben Gideon Koellner | Alexander Fishbein | 1-0 | 41 | Open |
| 1375 | 2022-03-06 | Bundesliga 2021-22 | Bremen GER | 2.8 | Ruben Gideon Koellner | Alexander Markgraf | 0-1 | 60 | Open |
| 1376 | 2022-03-05 | Bundesliga 2021-22 | Bremen GER | 1.8 | Alexander Hoenig | Ruben Gideon Koellner | 0-1 | 51 | Open |
| 1377 | 2022-02-06 | chessemy Open 2022 | Reinstorf GER | 9.7 | Lara Schulze | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 1378 | 2022-02-05 | chessemy Open 2022 | Reinstorf GER | 8.8 | Ruben Gideon Koellner | Hannes Ewert | 1-0 | 36 | Open |
| 1379 | 2022-02-04 | chessemy Open 2022 | Reinstorf GER | 7.2 | Justin Tan | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1380 | 2022-02-03 | chessemy Open 2022 | Reinstorf GER | 6.1 | Ruben Gideon Koellner | Erik Van den Doel | 1/2-1/2 | 65 | Open |
| 1381 | 2022-02-02 | chessemy Open 2022 | Reinstorf GER | 5.4 | Melanie Lubbe | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 1382 | 2022-02-01 | chessemy Open 2022 | Reinstorf GER | 4.7 | Ruben Gideon Koellner | David Kardoeus | 1-0 | 45 | Open |
| 1383 | 2022-01-31 | chessemy Open 2022 | Reinstorf GER | 3.5 | Jeremy Hommer | Ruben Gideon Koellner | 1/2-1/2 | 60 | Open |
| 1384 | 2022-01-30 | chessemy Open 2022 | Reinstorf GER | 2.6 | Ruben Gideon Koellner | Peter Anderberg | 1-0 | 26 | Open |
| 1385 | 2022-01-29 | chessemy Open 2022 | Reinstorf GER | 1.6 | Nathalie Pellicoro | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1386 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 9 | Ruben Gideon Koellner | Lilit Mkrtchian | 0-1 | 51 | Open |
| 1387 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 8 | Ruben Gideon Koellner | Nikolaos Aggelis | 0-1 | 38 | Open |
| 1388 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 7 | Murad Ibrahimli | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 1389 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 6 | Ruben Gideon Koellner | Gellert Karacsonyi | 1/2-1/2 | 94 | Open |
| 1390 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 5 | Ruben Gideon Koellner | Jahandar Azadaliyev | 1/2-1/2 | 41 | Open |
| 1391 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 4 | Pavel-Alexandru Nastore | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 1392 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 3 | Ruben Gideon Koellner | Serhan Berat Ozdemir | 1-0 | 38 | Open |
| 1393 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 2 | Ruben Gideon Koellner | Zhamsaran Tsydypov | 0-1 | 45 | Open |
| 1394 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 1 | Fausto Gerola | Ruben Gideon Koellner | 0-1 | 66 | Open |
| 1395 | 2021-12-30 | 1st BICA Pawn Open 2021 | Sousse TUN | 9.6 | Ruben Gideon Koellner | Volodymyr Vetoshko | 1/2-1/2 | 16 | Open |
| 1396 | 2021-12-29 | 1st BICA Pawn Open 2021 | Sousse TUN | 8.3 | Ruben Gideon Koellner | Vitaliy Bernadskiy | 1/2-1/2 | 52 | Open |
| 1397 | 2021-12-28 | 1st BICA Pawn Open 2021 | Sousse TUN | 7.8 | Abdimalik Abdisalimov | Ruben Gideon Koellner | 0-1 | 51 | Open |
| 1398 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 6 | Ruben Gideon Koellner | Slaven Pastar | 1-0 | 42 | Open |
| 1399 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 5 | Visakh N R | Ruben Gideon Koellner | 1-0 | 68 | Open |
| 1400 | 2021-12-28 | Titled Tuesday 28th Dec | chess.com INT | 4 | Ruben Gideon Koellner | Marcelo Jorquera | 1-0 | 64 | Open |
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