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: 2026-10-28 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 1051 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 6 | Ruben Gideon Koellner | Peter Sadilek | 1-0 | 46 | Open |
| 1052 | 2022-12-06 | Titled Tue 6th Dec Late | chess.com INT | 5 | Christopher Woojin Yoo | Ruben Gideon Koellner | 1-0 | 24 | Open |
| 1053 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 5 | Ruben Gideon Koellner | Bardiya Daneshvar | 0-1 | 76 | Open |
| 1054 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 4 | Attila Jr. Forgacs | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 1055 | 2022-12-06 | Titled Tue 6th Dec Late | chess.com INT | 4 | Charles H Storey | Ruben Gideon Koellner | 0-1 | 65 | Open |
| 1056 | 2022-12-06 | Titled Tue 6th Dec Late | chess.com INT | 3 | Ruben Gideon Koellner | Yuniesky Quesada Perez | 0-1 | 32 | Open |
| 1057 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 3 | Ruben Gideon Koellner | Nijat Abasov | 1/2-1/2 | 68 | Open |
| 1058 | 2022-12-06 | Titled Tue 6th Dec Late | chess.com INT | 2 | 2605767 | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1059 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 2 | Tuan Minh Le | Ruben Gideon Koellner | 1/2-1/2 | 107 | Open |
| 1060 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 1 | Antonio Lopez Del Alamo | Ruben Gideon Koellner | 0-1 | 34 | Open |
| 1061 | 2022-12-06 | Titled Tue 6th Dec Late | chess.com INT | 1 | Ruben Gideon Koellner | David Bernat | 1-0 | 47 | Open |
| 1062 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 11 | Maksim Chigaev | Ruben Gideon Koellner | 1-0 | 45 | Open |
| 1063 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 10 | Julian Estrada Nieto | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 1064 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 9 | Ruben Gideon Koellner | Alexandros Papasimakopoulos | 1-0 | 45 | Open |
| 1065 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 9 | Ruben Gideon Koellner | Roman Kezin | 0-1 | 24 | Open |
| 1066 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 8 | Zozek Salah Mohammed | Ruben Gideon Koellner | 1/2-1/2 | 87 | Open |
| 1067 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 8 | Mikhail Chernov | Ruben Gideon Koellner | 0-1 | 34 | Open |
| 1068 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 7 | Ruben Gideon Koellner | Velimir Ivic | 0-1 | 87 | Open |
| 1069 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 7 | Ruben Gideon Koellner | Igor Kowalski | 0-1 | 76 | Open |
| 1070 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 6 | Jose Carlos Ibarra Jerez | Ruben Gideon Koellner | 0-1 | 67 | Open |
| 1071 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 6 | Vladimir Mikhalsky | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1072 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 5 | Ruben Gideon Koellner | Alexander Rustemov | 0-1 | 68 | Open |
| 1073 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 5 | Ruben Gideon Koellner | Francesco Bettalli | 1-0 | 36 | Open |
| 1074 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 4 | Alban Delorme | Ruben Gideon Koellner | 0-1 | 74 | Open |
| 1075 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 4 | Olexandr Bortnyk | Ruben Gideon Koellner | 1-0 | 81 | Open |
| 1076 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 3 | Florian Gatterer | Ruben Gideon Koellner | 0-1 | 57 | Open |
| 1077 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 3 | Ruben Gideon Koellner | Ruslan Kashtanov | 1-0 | 63 | Open |
| 1078 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 2 | Raunak Sadhwani | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1079 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 2 | Ruben Gideon Koellner | Jorden Van Foreest | 0-1 | 42 | Open |
| 1080 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 1 | Wilfredo Sariego Figueredo | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1081 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 1 | Ruben Gideon Koellner | Nurai Sovetbekova | 1-0 | 37 | Open |
| 1082 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 11 | Zachary Tanenbaum | Ruben Gideon Koellner | 1-0 | 49 | Open |
| 1083 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 11 | Ruben Gideon Koellner | Kapriaga Rian | 1-0 | 46 | Open |
| 1084 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 10 | Rushan Bogaudinov | Ruben Gideon Koellner | 0-1 | 29 | Open |
| 1085 | 2022-11-29 | Titled Tue 29th Nov Late | chess.com INT | 10 | Luke C Miller | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 1086 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 6 | Ruben Gideon Koellner | Vuk Djordjevic | 0-1 | 30 | Open |
| 1087 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 5 | Eray Kilic | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1088 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 4 | Vojtech Plat | Ruben Gideon Koellner | 0-1 | 18 | Open |
| 1089 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 3 | Ruben Gideon Koellner | Evan Ai | 1-0 | 60 | Open |
| 1090 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 2 | Ruben Gideon Koellner | Sergei Zhigalko | 0-1 | 16 | Open |
| 1091 | 2022-11-22 | Titled Tue 22nd Nov Late | chess.com INT | 1 | Luis Migu Floresvillar Gonzalez | Ruben Gideon Koellner | 0-1 | 31 | Open |
| 1092 | 2022-11-13 | 25th OIBM 2022 | Tegernsee GER | 9.14 | Daniel Kristoferitsch | Ruben Gideon Koellner | 1/2-1/2 | 81 | Open |
| 1093 | 2022-11-12 | 25th OIBM 2022 | Tegernsee GER | 8.18 | Ruben Gideon Koellner | Kemal Bashirov | 1-0 | 21 | Open |
| 1094 | 2022-11-11 | 25th OIBM 2022 | Tegernsee GER | 7.16 | Lars Goldbeck | Ruben Gideon Koellner | 1/2-1/2 | 84 | Open |
| 1095 | 2022-11-10 | 25th OIBM 2022 | Tegernsee GER | 6.2 | Ruben Gideon Koellner | Georg Seisenberger | 1-0 | 39 | Open |
| 1096 | 2022-11-09 | 25th OIBM 2022 | Tegernsee GER | 5.2 | Bernhard Nagel | Ruben Gideon Koellner | 1/2-1/2 | 83 | Open |
| 1097 | 2022-11-08 | 25th OIBM 2022 | Tegernsee GER | 4.14 | Ruben Gideon Koellner | Vitus Lederle | 1/2-1/2 | 70 | Open |
| 1098 | 2022-11-07 | 25th OIBM 2022 | Tegernsee GER | 3.2 | Anton Demchenko | Ruben Gideon Koellner | 1/2-1/2 | 56 | Open |
| 1099 | 2022-11-06 | 25th OIBM 2022 | Tegernsee GER | 2.19 | Ruben Gideon Koellner | Florian Duerr | 1-0 | 58 | Open |
| 1100 | 2022-11-05 | 25th OIBM 2022 | Tegernsee GER | 1.23 | Christoph Staeblein | Ruben Gideon Koellner | 0-1 | 51 | Open |
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