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 |
|---|---|---|---|---|---|---|---|---|---|
| 1151 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 10 | Ruben Gideon Koellner | Leonardo Tristan | 0-1 | 26 | Open |
| 1152 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 6 | Ruben Gideon Koellner | Vsevolod Ovchinnikov | 0-1 | 20 | Open |
| 1153 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 5 | Jose Gabriel Cardoso Cardoso | Ruben Gideon Koellner | 1-0 | 86 | Open |
| 1154 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 4 | Abhimanyu Puranik | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 1155 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 3 | Ruben Gideon Koellner | Anton Demchenko | 0-1 | 34 | Open |
| 1156 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 2 | Benjamin Bok | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1157 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 1 | Ruben Gideon Koellner | Julien Sohier | 1-0 | 54 | Open |
| 1158 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 9 | Andres Carrasco Miranda | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1159 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 8 | Ruben Gideon Koellner | Adan Rios Escobar | 1-0 | 24 | Open |
| 1160 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 7 | Lewis Martin | Ruben Gideon Koellner | 1/2-1/2 | 60 | Open |
| 1161 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 6 | Ruben Gideon Koellner | Lucian-Costin Miron | 0-1 | 41 | Open |
| 1162 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 5 | Ruben Gideon Koellner | Alban Delorme | 1-0 | 31 | Open |
| 1163 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 4 | David Paravyan | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 1164 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 3 | Roberto Junio Brito Molina | Ruben Gideon Koellner | 1/2-1/2 | 77 | Open |
| 1165 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 2 | Ruben Gideon Koellner | Luis Fernandez Siles | 1-0 | 25 | Open |
| 1166 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 1 | Andrew Tang | Ruben Gideon Koellner | 1-0 | 26 | Open |
| 1167 | 2022-08-30 | Titled Tue 30th Aug Early | chess.com INT | 10 | Shah Dev | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 1168 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 9 | Ruben Gideon Koellner | Nikolai Vlassov | 0-1 | 33 | Open |
| 1169 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 8 | Ruben Gideon Koellner | Harsh Suresh | 1-0 | 51 | Open |
| 1170 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 7 | Jan Malek | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 1171 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 6 | Ruben Gideon Koellner | Anatole Vlachos | 1-0 | 54 | Open |
| 1172 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 5 | Han Schut | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 1173 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 4 | Carlos Jose Pinero Rodriguez | Ruben Gideon Koellner | 0-1 | 52 | Open |
| 1174 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 3 | Ruben Gideon Koellner | Asa Hoffmann | 0-1 | 32 | Open |
| 1175 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 2 | Volkan Yirik | Ruben Gideon Koellner | 1/2-1/2 | 58 | Open |
| 1176 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 1 | Ruben Gideon Koellner | Aleksandr Lenderman | 0-1 | 26 | Open |
| 1177 | 2022-08-23 | Titled Tue 23rd Aug Early | chess.com INT | 10 | Pawel Dudzinski | Ruben Gideon Koellner | 1-0 | 49 | Open |
| 1178 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 8 | Ruben Gideon Koellner | Atanas Dimitrov | 1-0 | 54 | Open |
| 1179 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 7 | Luis Fernandez Siles | Ruben Gideon Koellner | 0-1 | 52 | Open |
| 1180 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 6 | Ruben Gideon Koellner | Denis Garrido | 1-0 | 34 | Open |
| 1181 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 5 | Anish Vivekananthan | Ruben Gideon Koellner | 1-0 | 65 | Open |
| 1182 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 4 | Galina Novikova | Ruben Gideon Koellner | 0-1 | 20 | Open |
| 1183 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 3 | Ruben Gideon Koellner | Jose Carlos Ibarra Jerez | 0-1 | 46 | Open |
| 1184 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 2 | Ruben Gideon Koellner | Martyn Kravtsiv | 0-1 | 26 | Open |
| 1185 | 2022-08-02 | Titled Tue 2nd Aug Late | chess.com INT | 1 | Robby Kevlishvili | Ruben Gideon Koellner | 0-1 | 88 | Open |
| 1186 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 9 | Ruben Gideon Koellner | Kerem Tinmaz | 0-1 | 29 | Open |
| 1187 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 8 | Ruben Gideon Koellner | Daniel Rangel | 0-1 | 65 | Open |
| 1188 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 8 | Ruben Gideon Koellner | Samuel Fieberg | 0-1 | 33 | Open |
| 1189 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 7 | Uriel Vazquez Espino | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 1190 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 7 | Ruben Gideon Koellner | Hector Luis Gil Alba | 0-1 | 33 | Open |
| 1191 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 6 | Harshavardhan G B | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 1192 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 6 | Sipke Ernst | Ruben Gideon Koellner | 1-0 | 29 | Open |
| 1193 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 5 | Guha Mitrabha | Ruben Gideon Koellner | 1-0 | 80 | Open |
| 1194 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 5 | Ruben Gideon Koellner | Richard Stalmach | 1-0 | 36 | Open |
| 1195 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 4 | Martin Horcajuelo Rocamora | Ruben Gideon Koellner | 1/2-1/2 | 67 | Open |
| 1196 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 4 | Ruben Gideon Koellner | Dmitry Andreikin | 0-1 | 42 | Open |
| 1197 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 3 | Ruben Gideon Koellner | Gyula Pap | 1-0 | 31 | Open |
| 1198 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 3 | Ruben Gideon Koellner | Richard Shtivelband | 1-0 | 45 | Open |
| 1199 | 2022-07-26 | Titled Tue 26th Jul Late | chess.com INT | 2 | David W L Howell | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 1200 | 2022-07-26 | Titled Tue 26th Jul Early | chess.com INT | 2 | Abtin Atakhan | Ruben Gideon Koellner | 0-1 | 62 | Open |
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