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: 2026-10-27 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 1201 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 1 | David Levine | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 1202 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 1 | Ruben Gideon Koellner | Enrique Butti | 1/2-1/2 | 56 | Open |
| 1203 | 2022-07-19 | Titled Tue 19th Jul Early | chess.com INT | 2 | Ruben Gideon Koellner | Wagner Peixoto Guimaraes | 0-1 | 63 | Open |
| 1204 | 2022-07-19 | Titled Tue 19th Jul Early | chess.com INT | 1 | Saadat Bashirli | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 1205 | 2022-07-18 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 7.2 | Ruben Gideon Koellner | Marius Deuer | 1/2-1/2 | 44 | Open |
| 1206 | 2022-07-17 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 6.3 | Stefan Tadic | Ruben Gideon Koellner | 1/2-1/2 | 57 | Open |
| 1207 | 2022-07-16 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 5.5 | Ruben Gideon Koellner | Nicodim-Cosmin Stepanencu | 1-0 | 30 | Open |
| 1208 | 2022-07-15 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 4.2 | Maciej Czopor | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 1209 | 2022-07-14 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 3.4 | Andraz Gregoric | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 1210 | 2022-07-13 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 2.6 | Ruben Gideon Koellner | Valentyn Prokofiev | 1/2-1/2 | 101 | Open |
| 1211 | 2022-07-12 | TCh-EUR Youth U18 2022 | Thessaloniki GRE | 1.1 | Jan Marn | Ruben Gideon Koellner | 1-0 | 54 | Open |
| 1212 | 2022-06-28 | Titled Tue 28th Jun Late | chess.com INT | 3 | Ruben Gideon Koellner | Shawn Martinez | 0-1 | 22 | Open |
| 1213 | 2022-06-28 | Titled Tue 28th Jun Late | chess.com INT | 2 | Ruben Gideon Koellner | Nitzan Steinberg | 0-1 | 27 | Open |
| 1214 | 2022-06-28 | Titled Tue 28th Jun Late | chess.com INT | 1 | Rene Phillips | Ruben Gideon Koellner | 0-1 | 62 | Open |
| 1215 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 9 | Ruben Gideon Koellner | Mitch Fishbein | 1-0 | 27 | Open |
| 1216 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 8 | Hristos Alexiadis | Ruben Gideon Koellner | 1-0 | 50 | Open |
| 1217 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 7 | Ruben Gideon Koellner | Zachary Tanenbaum | 1/2-1/2 | 30 | Open |
| 1218 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 6 | Galina Novikova | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 1219 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 5 | Ruben Gideon Koellner | Andriy Prydun | 1-0 | 31 | Open |
| 1220 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 4 | Domen Tisaj | Ruben Gideon Koellner | 1-0 | 30 | Open |
| 1221 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 4 | Ruben Gideon Koellner | Leon Luke Mendonca | 0-1 | 51 | Open |
| 1222 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 3 | Bryan Weisz | Ruben Gideon Koellner | 1/2-1/2 | 58 | Open |
| 1223 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 3 | Ruben Gideon Koellner | Jorge Carlos Antonio | 1-0 | 47 | Open |
| 1224 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 2 | Artiom Samsonkin | Ruben Gideon Koellner | 1-0 | 48 | Open |
| 1225 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 2 | Ruben Gideon Koellner | Zbigniew Pakleza | 0-1 | 58 | Open |
| 1226 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 1 | Ruben Gideon Koellner | Unidentified player | 1-0 | 14 | Open |
| 1227 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 1 | Bogusz Piliczewski | Ruben Gideon Koellner | 0-1 | 24 | Open |
| 1228 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 11 | Qingyu Yuan | Ruben Gideon Koellner | 0-1 | 47 | Open |
| 1229 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 10 | Aleksandra Maltsevskaya | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 1230 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 9 | Robert Yorisan Ramirez Vido | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 1231 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 9 | Rinat Jumabayev | Ruben Gideon Koellner | 1-0 | 30 | Open |
| 1232 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 8 | Maksim Chigaev | Ruben Gideon Koellner | 1-0 | 33 | Open |
| 1233 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 8 | Ruben Gideon Koellner | Jose Joaquin Bas Mas | 0-1 | 32 | Open |
| 1234 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 7 | Luis Fernandez Siles | Ruben Gideon Koellner | 1/2-1/2 | 60 | Open |
| 1235 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 7 | Ruben Gideon Koellner | Alexander Donchenko | 0-1 | 38 | Open |
| 1236 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 6 | Ruben Gideon Koellner | German Bazeev | 1-0 | 62 | Open |
| 1237 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 6 | Ruben Gideon Koellner | Viktor Skliarov | 0-1 | 79 | Open |
| 1238 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 5 | Dmitry Rostovtsev | Ruben Gideon Koellner | 0-1 | 60 | Open |
| 1239 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 5 | Ruben Gideon Koellner | Pham Tran Gia Phuc | 1-0 | 46 | Open |
| 1240 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 4 | Dmitry Goltsev | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 1241 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 4 | Ruben Gideon Koellner | Razvan Preotu | 1-0 | 51 | Open |
| 1242 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 3 | Aleksandr Shimanov | Ruben Gideon Koellner | 1-0 | 63 | Open |
| 1243 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 3 | Ruben Gideon Koellner | Aleksandar Indjic | 1-0 | 41 | Open |
| 1244 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 2 | Alexei Shirov | Ruben Gideon Koellner | 0-1 | 54 | Open |
| 1245 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 2 | Ruben Gideon Koellner | Anna Golubova | 1-0 | 54 | Open |
| 1246 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 1 | Tiago Carvalho Mangialardo | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 1247 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 1 | Ruben Gideon Koellner | Maksims Golubovskis | 1-0 | 24 | Open |
| 1248 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 11 | Ruben Gideon Koellner | Artiom Stribuk | 0-1 | 42 | Open |
| 1249 | 2022-05-31 | Titled Tue 31st May Late | chess.com INT | 11 | Ricardo D. D`Arruda | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 1250 | 2022-05-31 | Titled Tue 31st May Early | chess.com INT | 10 | Pablo Salinas Herrera | Ruben Gideon Koellner | 0-1 | 67 | Open |
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