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: 2026-10-22 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 2151 | 2019-01-06 | 31st Staufer-Open 2019 | Schwaebisch Gmuend GER | 9 | Ruben Gideon Koellner | Vitaly Kunin | 1/2-1/2 | 45 | Open |
| 2152 | 2019-01-05 | 31st Staufer-Open 2019 | Schwaebisch Gmuend GER | 8 | Ruben Gideon Koellner | Aaron Noah Koellner | 1-0 | 42 | Open |
| 2153 | 2019-01-03 | 31st Staufer-Open 2019 | Schwaebisch Gmuend GER | 3 | Alexander Suvorov | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 2154 | 2018-11-24 | Heusenstamm Schloss Open | Heusenstamm GER | 4.11 | Ruben Gideon Koellner | Petro Golubka | 0-1 | 83 | Open |
| 2155 | 2018-11-23 | Heusenstamm Schloss Open | Heusenstamm GER | 3.1 | Daniel Sadzikowski | Ruben Gideon Koellner | 1/2-1/2 | 57 | Open |
| 2156 | 2018-07-29 | Xtracon Chess Open 2018 | Helsingor DEN | 10.52 | Ruben Gideon Koellner | Steen Petersen | 1/2-1/2 | 39 | Open |
| 2157 | 2018-07-28 | Xtracon Chess Open 2018 | Helsingor DEN | 9.64 | Mikael Skjoldager | Ruben Gideon Koellner | 0-1 | 51 | Open |
| 2158 | 2018-07-27 | Xtracon Chess Open 2018 | Helsingor DEN | 8.59 | Ruben Gideon Koellner | Erik Alquist | 1/2-1/2 | 67 | Open |
| 2159 | 2018-07-26 | Xtracon Chess Open 2018 | Helsingor DEN | 7.63 | Abyl Kizatbay | Ruben Gideon Koellner | 1/2-1/2 | 47 | Open |
| 2160 | 2018-07-25 | Xtracon Chess Open 2018 | Helsingor DEN | 6.61 | Ruben Gideon Koellner | Mert Acikel | 1/2-1/2 | 52 | Open |
| 2161 | 2018-07-24 | Xtracon Chess Open 2018 | Helsingor DEN | 5.18 | Allan Stig Rasmussen | Ruben Gideon Koellner | 1-0 | 46 | Open |
| 2162 | 2018-07-23 | Xtracon Chess Open 2018 | Helsingor DEN | 4.27 | Ruben Gideon Koellner | Jonny Hector | 1/2-1/2 | 31 | Open |
| 2163 | 2018-07-22 | Xtracon Chess Open 2018 | Helsingor DEN | 3.26 | Linus Johansson | Ruben Gideon Koellner | 1/2-1/2 | 115 | Open |
| 2164 | 2018-07-22 | Xtracon Chess Open 2018 | Helsingor DEN | 2.84 | Ruben Gideon Koellner | Michael Agermose Jensen | 1-0 | 35 | Open |
| 2165 | 2018-07-21 | Xtracon Chess Open 2018 | Helsingor DEN | 1.93 | Denis Ponomarev | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 2166 | 2018-06-02 | 10th Rheinland-Pfalz Open | Nickenich GER | 6.8 | Ralf, Dr. Schoen | Ruben Gideon Koellner | 0-1 | 25 | Open |
| 2167 | 2018-06-02 | 10th Rheinland-Pfalz Open | Nickenich GER | 5.7 | Ruben Gideon Koellner | Andreas Hauer | 1-0 | 60 | Open |
| 2168 | 2018-06-01 | 10th Rheinland-Pfalz Open | Nickenich GER | 4.7 | Joachim Waffenschmidt | Ruben Gideon Koellner | 1-0 | 99 | Open |
| 2169 | 2018-06-01 | 10th Rheinland-Pfalz Open | Nickenich GER | 3.8 | Ruben Gideon Koellner | Felix Begri | 1-0 | 34 | Open |
| 2170 | 2018-05-31 | 10th Rheinland-Pfalz Open | Nickenich GER | 2.1 | Gerhard Roerig | Ruben Gideon Koellner | 0-1 | 56 | Open |
| 2171 | 2018-05-31 | 10th Rheinland-Pfalz Open | Nickenich GER | 1.1 | Ruben Gideon Koellner | Michael Mueller | 1-0 | 39 | Open |
| 2172 | 2018-05-03 | 10th Rheinland-Pfalz Open | Nickenich GER | 7.3 | Ruben Gideon Koellner | Yuri Boidman | 1/2-1/2 | 72 | Open |
| 2173 | 2018-03-29 | GRENKE Chess Open 2018 | Karlsruhe GER | 1.15 | Ruben Gideon Koellner | Falko Bindrich | 0-1 | 36 | Open |
| 2174 | 2018-03-25 | 24th Schloss Open 2018 | Werther GER | 7.11 | Ruben Gideon Koellner | Cedric Kollenberg | 1/2-1/2 | 44 | Open |
| 2175 | 2018-03-25 | 24th Schloss Open 2018 | Werther GER | 6.12 | Tim Fuhlrott | Ruben Gideon Koellner | 1/2-1/2 | 19 | Open |
| 2176 | 2018-03-24 | 24th Schloss Open 2018 | Werther GER | 4.9 | Filip Boe Olsen | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 2177 | 2018-03-23 | 24th Schloss Open 2018 | Werther GER | 3.12 | Ruben Gideon Koellner | Fabian Schaller | 1-0 | 37 | Open |
| 2178 | 2018-03-23 | 24th Schloss Open 2018 | Werther GER | 2.2 | Jakob Pfreundt | Ruben Gideon Koellner | 1-0 | 54 | Open |
| 2179 | 2017-12-30 | TCh-GER Junior U20 2017 | Duesseldorf GER | 7.1 | Ruben Gideon Koellner | Cedric Oberhofer | 0-1 | 48 | Open |
| 2180 | 2017-12-29 | TCh-GER Junior U20 2017 | Duesseldorf GER | 6.1 | Julian Martin | Ruben Gideon Koellner | 1-0 | 12 | Open |
| 2181 | 2017-12-29 | TCh-GER Junior U20 2017 | Duesseldorf GER | 5.1 | Ruben Gideon Koellner | Mirko Eichstaedt | 1/2-1/2 | 69 | Open |
| 2182 | 2017-12-28 | TCh-GER Junior U20 2017 | Duesseldorf GER | 4.1 | Maximilian Ruff | Ruben Gideon Koellner | 0-1 | 34 | Open |
| 2183 | 2017-12-28 | TCh-GER Junior U20 2017 | Duesseldorf GER | 3.1 | Ruben Gideon Koellner | Alexander Pluska | 1/2-1/2 | 59 | Open |
| 2184 | 2017-12-27 | TCh-GER Junior U20 2017 | Duesseldorf GER | 2.1 | Dmitrij Kollars | Ruben Gideon Koellner | 1/2-1/2 | 33 | Open |
| 2185 | 2017-12-27 | TCh-GER Junior U20 2017 | Duesseldorf GER | 1.1 | Ruben Gideon Koellner | Simon Degenhard | 0-1 | 56 | Open |
| 2186 | 2017-11-24 | Heusenstamm Schloss Open | Heusenstamm GER | 2.8 | Misa Pap | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 2187 | 2017-10-22 | 9th Korbach Open 2017 | Korbach GER | 7.4 | Lars Christoff Andersen | Ruben Gideon Koellner | 1/2-1/2 | 37 | Open |
| 2188 | 2017-10-22 | 9th Korbach Open 2017 | Korbach GER | 6.7 | Ruben Gideon Koellner | Dietmar Wachsmann | 1-0 | 48 | Open |
| 2189 | 2017-10-21 | 9th Korbach Open 2017 | Korbach GER | 5.9 | Johanna Bluebaum | Ruben Gideon Koellner | 0-1 | 55 | Open |
| 2190 | 2017-10-21 | 9th Korbach Open 2017 | Korbach GER | 4.15 | Ruben Gideon Koellner | Bas Dudink | 1-0 | 60 | Open |
| 2191 | 2017-10-20 | 9th Korbach Open 2017 | Korbach GER | 3.8 | Dirk Van der Meiden | Ruben Gideon Koellner | 1-0 | 58 | Open |
| 2192 | 2017-10-20 | 9th Korbach Open 2017 | Korbach GER | 2.4 | Ruben Gideon Koellner | Harald Maiwald | 1/2-1/2 | 26 | Open |
| 2193 | 2017-10-19 | 9th Korbach Open 2017 | Korbach GER | 1.6 | Markus Kirchner | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 2194 | 2017-07-23 | 45th Sparkassen Open | Dortmund GER | 9.12 | Soel Kartsev | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 2195 | 2017-07-22 | 45th Sparkassen Open | Dortmund GER | 8.14 | Ruben Gideon Koellner | Hanne Goossens | 1/2-1/2 | 40 | Open |
| 2196 | 2017-07-21 | 45th Sparkassen Open | Dortmund GER | 7.11 | Ruben Gideon Koellner | Alexej Wagner | 1/2-1/2 | 27 | Open |
| 2197 | 2017-07-20 | 45th Sparkassen Open | Dortmund GER | 6.6 | Alina Kashlinskaya | Ruben Gideon Koellner | 1-0 | 22 | Open |
| 2198 | 2017-07-19 | 45th Sparkassen Open | Dortmund GER | 5.11 | Ruben Gideon Koellner | Patrick Wiebe | 1-0 | 41 | Open |
| 2199 | 2017-07-18 | 45th Sparkassen Open | Dortmund GER | 4.13 | Stief Gijsen | Ruben Gideon Koellner | 1/2-1/2 | 39 | Open |
| 2200 | 2017-07-17 | 45th Sparkassen Open | Dortmund GER | 3.1 | Ruben Gideon Koellner | Holger Lehmann | 1/2-1/2 | 24 | Open |
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