Ruben Gideon Koellner
Country
GER
Birth Year
2004
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: 2026-10-13 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 151 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 10 | Jerzy Slaby | Ruben Gideon Koellner | 1/2-1/2 | 76 | Open |
| 152 | 2024-11-24 | Heusenstamm Schloss Open | Heusenstamm GER | 7.4 | Ruben Gideon Koellner | Kevin Haack | 1/2-1/2 | 40 | Open |
| 153 | 2024-11-24 | Heusenstamm Schloss Open | Heusenstamm GER | 6.5 | Cedric Chassard | Ruben Gideon Koellner | 0-1 | 29 | Open |
| 154 | 2024-11-23 | Heusenstamm Schloss Open | Heusenstamm GER | 5.3 | Ruben Gideon Koellner | Marian Can Nothnagel | 1/2-1/2 | 29 | Open |
| 155 | 2024-11-23 | Heusenstamm Schloss Open | Heusenstamm GER | 4.8 | Jonas Rempe | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 156 | 2024-11-22 | Heusenstamm Schloss Open | Heusenstamm GER | 3.5 | Ruben Gideon Koellner | Uwe Kersten | 1/2-1/2 | 30 | Open |
| 157 | 2024-11-22 | Heusenstamm Schloss Open | Heusenstamm GER | 2.5 | Paul Stuemer | Ruben Gideon Koellner | 0-1 | 23 | Open |
| 158 | 2024-11-21 | Heusenstamm Schloss Open | Heusenstamm GER | 1.5 | Ruben Gideon Koellner | Platon Musiienko | 1-0 | 35 | Open |
| 159 | 2024-10-27 | Rainer Radtke Mem 2024 | Berlin GER | 9.3 | Ruben Gideon Koellner | Martin Petrov | 1/2-1/2 | 23 | Open |
| 160 | 2024-10-26 | Rainer Radtke Mem 2024 | Berlin GER | 8.2 | Szymon Gumularz | Ruben Gideon Koellner | 1/2-1/2 | 25 | Open |
| 161 | 2024-10-25 | Rainer Radtke Mem 2024 | Berlin GER | 7.4 | Ruben Gideon Koellner | Adar Tarhan | 1-0 | 59 | Open |
| 162 | 2024-10-24 | Rainer Radtke Mem 2024 | Berlin GER | 6.8 | Pijus Stremavicius | Ruben Gideon Koellner | 0-1 | 72 | Open |
| 163 | 2024-10-24 | Rainer Radtke Mem 2024 | Berlin GER | 5.12 | Ruben Gideon Koellner | Daniel Prazak | 1-0 | 41 | Open |
| 164 | 2024-10-23 | Rainer Radtke Mem 2024 | Berlin GER | 4.21 | Christian Polster | Ruben Gideon Koellner | 0-1 | 34 | Open |
| 165 | 2024-10-22 | Rainer Radtke Mem 2024 | Berlin GER | 3.19 | Ruben Gideon Koellner | Uri Shefer | 1/2-1/2 | 75 | Open |
| 166 | 2024-10-21 | Rainer Radtke Mem 2024 | Berlin GER | 1.8 | Ruben Gideon Koellner | Bao Anh Le Bui | 0-1 | 28 | Open |
| 167 | 2024-10-13 | TCh-AUT 2024-25 | Austria AUT | 5.3 | Ruben Gideon Koellner | Viktor Erdos | 1/2-1/2 | 39 | Open |
| 168 | 2024-10-12 | TCh-AUT 2024-25 | Austria AUT | 4.3 | Jonas Hacker | Ruben Gideon Koellner | 1/2-1/2 | 31 | Open |
| 169 | 2024-10-11 | TCh-AUT 2024-25 | Austria AUT | 3.3 | Ruben Gideon Koellner | Ihor Samunenkov | 1/2-1/2 | 47 | Open |
| 170 | 2024-10-10 | TCh-AUT 2024-25 | Austria AUT | 2.3 | Alexander Naumann | Ruben Gideon Koellner | 1/2-1/2 | 31 | Open |
| 171 | 2024-10-09 | TCh-AUT 2024-25 | Austria AUT | 1.3 | Ruben Gideon Koellner | Richard Stalmach | 0-1 | 44 | Open |
| 172 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 9 | Yi Xu | Ruben Gideon Koellner | 1/2-1/2 | 37 | Open |
| 173 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 8 | Ruslan Gabdushev | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 174 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 7 | Ruben Gideon Koellner | Artyom Bogdanov | 1-0 | 26 | Open |
| 175 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 6 | Robert Aloma Vidal | Ruben Gideon Koellner | 0-1 | 84 | Open |
| 176 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 5 | Pranav Anand | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 177 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 4 | Ruben Gideon Koellner | Jeffery Xiong | 1/2-1/2 | 54 | Open |
| 178 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 3 | Ruben Gideon Koellner | Jose Antonio Garrido Diaz | 1-0 | 43 | Open |
| 179 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 2 | Vitaly Teterev | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 180 | 2024-10-08 | Titled Tue 8th Oct Late | chess.com INT | 1 | Ruben Gideon Koellner | Jesus Alberto Molina Sumoza | 1/2-1/2 | 57 | Open |
| 181 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 1 | Ruben Gideon Koellner | Mikelis Vingris | 1-0 | 72 | Open |
| 182 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 11 | Barad Yeganegi | Ruben Gideon Koellner | 0-1 | 79 | Open |
| 183 | 2024-10-08 | Titled Tue 8th Oct Early | chess.com INT | 10 | Ruben Gideon Koellner | Fabiano Caruana | 0-1 | 55 | Open |
| 184 | 2024-10-06 | Bundesliga 2024-25 | Munich GER | 2.7 | Ruben Gideon Koellner | Makan Rafiee | 1-0 | 29 | Open |
| 185 | 2024-10-05 | Bundesliga 2024-25 | Munich GER | 1.8 | Dominic Wisnet | Ruben Gideon Koellner | 0-1 | 74 | Open |
| 186 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 9 | Blazej Grot | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 187 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 9 | Ruben Gideon Koellner | Sergey Grigoriants | 1/2-1/2 | 41 | Open |
| 188 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 8 | Havard Haug | Ruben Gideon Koellner | 0-1 | 45 | Open |
| 189 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 8 | Ruben Gideon Koellner | Nebojsa M Ristic | 1-0 | 36 | Open |
| 190 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 7 | Harsha Bharathakoti | Ruben Gideon Koellner | 1-0 | 58 | Open |
| 191 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 7 | Aleksander Kumala | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 192 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 6 | Ruben Gideon Koellner | Kayden Troff | 1-0 | 27 | Open |
| 193 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 6 | Ruben Gideon Koellner | Matthew Herman | 0-1 | 53 | Open |
| 194 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 5 | Ruben Gideon Koellner | Levente Miszler | 0-1 | 54 | Open |
| 195 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 5 | Ruben Gideon Koellner | Rudik Makarian | 1-0 | 34 | Open |
| 196 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 4 | Daniel Naroditsky | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 197 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 4 | Ali Elier | Ruben Gideon Koellner | 0-1 | 38 | Open |
| 198 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 3 | Ruben Gideon Koellner | Alexey Sarana | 1-0 | 25 | Open |
| 199 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 3 | Ruben Gideon Koellner | Adam Zielonka | 1-0 | 53 | Open |
| 200 | 2024-10-01 | Titled Tue 1st Oct Late | chess.com INT | 2 | Kevin Pan | Ruben Gideon Koellner | 0-1 | 47 | Open |
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