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 |
|---|---|---|---|---|---|---|---|---|---|
| 1101 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 9 | Drasko Boskovic | Ruben Gideon Koellner | 1-0 | 32 | Open |
| 1102 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 8 | Rudik Makarian | Ruben Gideon Koellner | 1-0 | 85 | Open |
| 1103 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 7 | Ruben Gideon Koellner | Kevin Bordi | 0-1 | 47 | Open |
| 1104 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 6 | Meri Arabidze | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 1105 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 5 | Milosz Szpar | Ruben Gideon Koellner | 0-1 | 31 | Open |
| 1106 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 4 | Ruben Gideon Koellner | Ansh M Shah | 1-0 | 45 | Open |
| 1107 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 3 | Ramyres Santana Coelho | Ruben Gideon Koellner | 1/2-1/2 | 53 | Open |
| 1108 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 2 | Ruben Gideon Koellner | Michel Saucey | 0-1 | 37 | Open |
| 1109 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 2 | Ruben Gideon Koellner | Vladimir Belous | 0-1 | 40 | Open |
| 1110 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 1 | Gisela Roque Sola | Ruben Gideon Koellner | 1-0 | 27 | Open |
| 1111 | 2022-10-25 | Titled Tue 25th Oct Late | chess.com INT | 1 | Ruben Gideon Koellner | Neeraj Harish | 1-0 | 18 | Open |
| 1112 | 2022-10-23 | Bundesliga 2022-23 | Munich GER | 2.4 | Marc Morgunov | Ruben Gideon Koellner | 1/2-1/2 | 22 | Open |
| 1113 | 2022-10-22 | Bundesliga 2022-23 | Munich GER | 1.4 | Ruben Gideon Koellner | Ruben Lutz | 1-0 | 49 | Open |
| 1114 | 2022-10-18 | Titled Tue 18th Oct Early | chess.com INT | 5 | Mikhail V. Kuznetsov | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 1115 | 2022-10-18 | Titled Tue 18th Oct Early | chess.com INT | 4 | Ruben Gideon Koellner | Grigoriy Oparin | 0-1 | 49 | Open |
| 1116 | 2022-10-18 | Titled Tue 18th Oct Early | chess.com INT | 3 | Ruben Gideon Koellner | Antonio Pedro Freixial Vasques | 1-0 | 18 | Open |
| 1117 | 2022-10-18 | Titled Tue 18th Oct Early | chess.com INT | 2 | Daniel Jones | Ruben Gideon Koellner | 0-1 | 51 | Open |
| 1118 | 2022-10-18 | Titled Tue 18th Oct Early | chess.com INT | 1 | Ruben Gideon Koellner | Talaibek Osmonbekov | 0-1 | 38 | Open |
| 1119 | 2022-10-11 | Titled Tue 11th Oct Late | chess.com INT | 6 | Alexey Reshetnikov | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1120 | 2022-10-11 | Titled Tue 11th Oct Late | chess.com INT | 5 | Vitaliy Bernadskiy | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 1121 | 2022-10-11 | Titled Tue 11th Oct Late | chess.com INT | 4 | Ruben Gideon Koellner | Miragha Aghayev | 1-0 | 31 | Open |
| 1122 | 2022-10-11 | Titled Tue 11th Oct Late | chess.com INT | 3 | Jemal Ovezdurdyyeva | Ruben Gideon Koellner | 0-1 | 39 | Open |
| 1123 | 2022-10-11 | Titled Tue 11th Oct Late | chess.com INT | 2 | Ruben Gideon Koellner | Aydin Suleymanli | 0-1 | 52 | Open |
| 1124 | 2022-10-11 | Titled Tue 11th Oct Late | chess.com INT | 1 | Ruben Gideon Koellner | Oscar Humberto Ardila | 1-0 | 75 | Open |
| 1125 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 9 | Kacper Zochowski | Ruben Gideon Koellner | 1/2-1/2 | 93 | Open |
| 1126 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 8 | Ruben Gideon Koellner | Francisco Silva Gonzalez | 1-0 | 65 | Open |
| 1127 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 7 | Michael Buscar | Ruben Gideon Koellner | 1/2-1/2 | 50 | Open |
| 1128 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 6 | Ruben Gideon Koellner | Wesley So | 0-1 | 87 | Open |
| 1129 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 5 | Ruben Gideon Koellner | Anastasios Mihailidis | 1/2-1/2 | 65 | Open |
| 1130 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 5 | Ruben Gideon Koellner | Davi Sulzbacher Goncalves | 1-0 | 35 | Open |
| 1131 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 4 | Marius Deuer | Ruben Gideon Koellner | 1-0 | 33 | Open |
| 1132 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 4 | Hrant Melkumyan | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 1133 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 3 | Julian Estrada Nieto | Ruben Gideon Koellner | 0-1 | 30 | Open |
| 1134 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 3 | Oleg Kislov | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1135 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 2 | Ruben Gideon Koellner | Nils Grandelius | 0-1 | 52 | Open |
| 1136 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 2 | Ruben Gideon Koellner | Mykola Bortnyk | 0-1 | 30 | Open |
| 1137 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 1 | Florian Gatterer | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 1138 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 1 | Ruben Gideon Koellner | Ieuan C Ward | 1-0 | 32 | Open |
| 1139 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 11 | Viacheslav Mikhailov | Ruben Gideon Koellner | 1-0 | 34 | Open |
| 1140 | 2022-09-27 | Titled Tue 27th Sep Late | chess.com INT | 10 | Ruben Gideon Koellner | Piotr Mickiewicz | 1-0 | 39 | Open |
| 1141 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 9 | Oleksandr Yurovskykh | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 1142 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 8 | Ruben Gideon Koellner | Davi Sulzbacher Goncalves | 1-0 | 43 | Open |
| 1143 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 7 | Eduardo Jesus Mendez Fortes | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 1144 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 6 | Alexander Alexikov | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 1145 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 5 | Ruben Gideon Koellner | Nisim Iliaguev | 0-1 | 51 | Open |
| 1146 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 4 | Pedro Filipe Rego | Ruben Gideon Koellner | 0-1 | 29 | Open |
| 1147 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 3 | Daniel Kazmaier | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1148 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 2 | Ruben Gideon Koellner | Aleksandr Lenderman | 0-1 | 59 | Open |
| 1149 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 1 | Ruben Gideon Koellner | Andriy Prydun | 1-0 | 17 | Open |
| 1150 | 2022-09-20 | Titled Tue 20th Sep Late | chess.com INT | 11 | Jens Hirneise | Ruben Gideon Koellner | 0-1 | 63 | Open |
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