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: 2026-10-23 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 2101 | 2020-01-03 | 32nd Staufer-Open 2020 | Schwaebisch Gmuend GER | 3.3 | Evgeny E. Vorobiov | Ruben Gideon Koellner | 1-0 | 59 | Open |
| 2102 | 2020-01-02 | 32nd Staufer-Open 2020 | Schwaebisch Gmuend GER | 2.19 | Ruben Gideon Koellner | Florian Amtmann | 1-0 | 23 | Open |
| 2103 | 2020-01-02 | 32nd Staufer-Open 2020 | Schwaebisch Gmuend GER | 1.32 | Christian Hoethe | Ruben Gideon Koellner | 0-1 | 22 | Open |
| 2104 | 2019-11-24 | Heusenstamm Schloss Open | Heusenstamm GER | 7.5 | Lev Gutman | Ruben Gideon Koellner | 1/2-1/2 | 43 | Open |
| 2105 | 2019-11-23 | Heusenstamm Schloss Open | Heusenstamm GER | 5.8 | Vladimir Podat | Ruben Gideon Koellner | 0-1 | 45 | Open |
| 2106 | 2019-11-23 | Heusenstamm Schloss Open | Heusenstamm GER | 4.2 | Ruben Gideon Koellner | Vitaly Kunin | 1/2-1/2 | 60 | Open |
| 2107 | 2019-11-22 | Heusenstamm Schloss Open | Heusenstamm GER | 3.15 | Jan Boder | Ruben Gideon Koellner | 0-1 | 30 | Open |
| 2108 | 2019-11-03 | 23rd OIBM 2019 | Tegernsee GER | 9.24 | Rout Padmini | Ruben Gideon Koellner | 1-0 | 49 | Open |
| 2109 | 2019-11-02 | 23rd OIBM 2019 | Tegernsee GER | 8.6 | Ruben Gideon Koellner | Fernando Peralta | 0-1 | 25 | Open |
| 2110 | 2019-11-01 | 23rd OIBM 2019 | Tegernsee GER | 7.17 | Ruben Gideon Koellner | Lev Yankelevich | 1-0 | 85 | Open |
| 2111 | 2019-10-31 | 23rd OIBM 2019 | Tegernsee GER | 6.33 | Aggarwal Vansh | Ruben Gideon Koellner | 0-1 | 65 | Open |
| 2112 | 2019-10-27 | 23rd OIBM 2019 | Tegernsee GER | 2.12 | Grzegorz Nasuta | Ruben Gideon Koellner | 1-0 | 25 | Open |
| 2113 | 2019-08-09 | Lueneburg GM 2019 | Lueneburg GER | 8.2 | Jha Sriram | Ruben Gideon Koellner | 1/2-1/2 | 35 | Open |
| 2114 | 2019-08-08 | Lueneburg GM 2019 | Lueneburg GER | 7.5 | Ruben Gideon Koellner | Sergei Ovsejevitsch | 0-1 | 43 | Open |
| 2115 | 2019-08-07 | Lueneburg GM 2019 | Lueneburg GER | 6.1 | Jari Reuker | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 2116 | 2019-08-06 | Lueneburg GM 2019 | Lueneburg GER | 5.5 | Evgeny E. Vorobiov | Ruben Gideon Koellner | 1/2-1/2 | 41 | Open |
| 2117 | 2019-08-05 | Lueneburg GM 2019 | Lueneburg GER | 4.2 | Ruben Gideon Koellner | Christian Polster | 1/2-1/2 | 48 | Open |
| 2118 | 2019-08-04 | Lueneburg GM 2019 | Lueneburg GER | 3.4 | Kassa Korley | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 2119 | 2019-08-03 | Lueneburg GM 2019 | Lueneburg GER | 2.3 | Ruben Gideon Koellner | Nikolas Wachinger | 1-0 | 44 | Open |
| 2120 | 2019-07-16 | 47th Sparkassen Open | Dortmund GER | 4.19 | Christian Koschetzki | Ruben Gideon Koellner | 1-0 | 48 | Open |
| 2121 | 2019-07-15 | 47th Sparkassen Open | Dortmund GER | 3.3 | Ruben Gideon Koellner | Peter Buchholz | 1-0 | 30 | Open |
| 2122 | 2019-07-14 | 47th Sparkassen Open | Dortmund GER | 2.2 | Wolfgang Prueske | Ruben Gideon Koellner | 1-0 | 27 | Open |
| 2123 | 2019-07-13 | 47th Sparkassen Open | Dortmund GER | 1.9 | Ruben Gideon Koellner | Gerardo Artola Pola | 1/2-1/2 | 32 | Open |
| 2124 | 2019-07-06 | Chess House Summer IM | Aarhus DEN | 9.5 | Klaus Berg | Ruben Gideon Koellner | 1-0 | 45 | Open |
| 2125 | 2019-07-05 | Chess House Summer IM | Aarhus DEN | 8.1 | Ruben Gideon Koellner | Jonathan Carlstedt | 0-1 | 64 | Open |
| 2126 | 2019-07-04 | Chess House Summer IM | Aarhus DEN | 7.3 | Nicolai Kvist Brondt | Ruben Gideon Koellner | 0-1 | 73 | Open |
| 2127 | 2019-07-04 | Chess House Summer IM | Aarhus DEN | 6.4 | Ruben Gideon Koellner | Yevhen Odnorozhenko | 1/2-1/2 | 30 | Open |
| 2128 | 2019-07-03 | Chess House Summer IM | Aarhus DEN | 5.2 | Ruben Gideon Koellner | Jens Albert Ramsdal | 0-1 | 64 | Open |
| 2129 | 2019-07-02 | Chess House Summer IM | Aarhus DEN | 4.5 | Adesh Easwaralingam | Ruben Gideon Koellner | 0-1 | 29 | Open |
| 2130 | 2019-07-01 | Chess House Summer IM | Aarhus DEN | 3.4 | Ruben Gideon Koellner | Hilmir Freyr Heimisson | 1-0 | 60 | Open |
| 2131 | 2019-07-01 | Chess House Summer IM | Aarhus DEN | 2.3 | Frederik Svane | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 2132 | 2019-06-30 | Chess House Summer IM | Aarhus DEN | 1.3 | Ruben Gideon Koellner | Martin Matthiesen | 0-1 | 39 | Open |
| 2133 | 2019-06-23 | 11th Rheinland-Pfalz Open | Weilerbach GER | 7.2 | Lennert Lenaerts | Ruben Gideon Koellner | 0-1 | 31 | Open |
| 2134 | 2019-06-22 | 11th Rheinland-Pfalz Open | Weilerbach GER | 5.1 | Ruben Gideon Koellner | Julius Muckle | 0-1 | 38 | Open |
| 2135 | 2019-06-21 | 11th Rheinland-Pfalz Open | Weilerbach GER | 4.4 | Jan Boder | Ruben Gideon Koellner | 0-1 | 23 | Open |
| 2136 | 2019-06-21 | 11th Rheinland-Pfalz Open | Weilerbach GER | 3.4 | Ruben Gideon Koellner | Juergen Schulte | 1-0 | 39 | Open |
| 2137 | 2019-06-20 | 11th Rheinland-Pfalz Open | Weilerbach GER | 2.5 | Peter Mueller | Ruben Gideon Koellner | 0-1 | 12 | Open |
| 2138 | 2019-06-20 | 11th Rheinland-Pfalz Open | Weilerbach GER | 1.5 | Ruben Gideon Koellner | Jonathan Neo Santos-Mueller | 1-0 | 25 | Open |
| 2139 | 2019-04-27 | 7th Hofheim Spring Open | Hofheim GER | 9.5 | Manuel Guennigmann | Ruben Gideon Koellner | 1/2-1/2 | 92 | Open |
| 2140 | 2019-04-27 | 7th Hofheim Spring Open | Hofheim GER | 8.4 | Ruben Gideon Koellner | Thorsten Schmitz | 1/2-1/2 | 35 | Open |
| 2141 | 2019-04-26 | 7th Hofheim Spring Open | Hofheim GER | 7.2 | Maxim Turov | Ruben Gideon Koellner | 1-0 | 45 | Open |
| 2142 | 2019-04-26 | 7th Hofheim Spring Open | Hofheim GER | 6.3 | Ruben Gideon Koellner | Roman Khaetsky | 1-0 | 54 | Open |
| 2143 | 2019-04-25 | 7th Hofheim Spring Open | Hofheim GER | 5.7 | Gerardo Artola Pola | Ruben Gideon Koellner | 0-1 | 33 | Open |
| 2144 | 2019-04-25 | 7th Hofheim Spring Open | Hofheim GER | 4.11 | Ruben Gideon Koellner | Arno Kirchhof | 1-0 | 55 | Open |
| 2145 | 2019-04-24 | 7th Hofheim Spring Open | Hofheim GER | 3.9 | Markus Kirchner | Ruben Gideon Koellner | 1/2-1/2 | 81 | Open |
| 2146 | 2019-04-24 | 7th Hofheim Spring Open | Hofheim GER | 2.17 | Ruben Gideon Koellner | Egor Chekletsov | 1-0 | 64 | Open |
| 2147 | 2019-04-23 | 7th Hofheim Spring Open | Hofheim GER | 1.6 | Shourya Jain | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 2148 | 2019-04-22 | GRENKE Chess Open 2019 | Karlsruhe GER | 9.54 | Ruben Gideon Koellner | Oliver Kurmann | 1/2-1/2 | 47 | Open |
| 2149 | 2019-04-22 | GRENKE Chess Open 2019 | Karlsruhe GER | 8.11 | Ruben Gideon Koellner | Wilfried Steffens | 1-0 | 42 | Open |
| 2150 | 2019-04-19 | GRENKE Chess Open 2019 | Karlsruhe GER | 3.32 | Ruben Gideon Koellner | Matthias Dann | 0-1 | 56 | Open |
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