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: 2026-10-24 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 1901 | 2020-11-03 | Titled Tuesday 3rd Nov | chess.com INT | 4 | Ruben Gideon Koellner | Anastasiya Geller | 0-1 | 32 | Open |
| 1902 | 2020-11-03 | Titled Tuesday 3rd Nov | chess.com INT | 3 | Tatiana Bogumil | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 1903 | 2020-11-03 | Titled Tuesday 3rd Nov | chess.com INT | 2 | Ruben Gideon Koellner | Viachaslau Zarubitski | 0-1 | 61 | Open |
| 1904 | 2020-11-03 | Titled Tuesday 3rd Nov | chess.com INT | 1 | Ruben Gideon Koellner | Momchil Petkov | 0-1 | 79 | Open |
| 1905 | 2020-10-18 | CD Meyer Gedenkturnier | Bremen GER | 9.4 | Alexandr Fier | Ruben Gideon Koellner | 1/2-1/2 | 61 | Open |
| 1906 | 2020-10-17 | CD Meyer Gedenkturnier | Bremen GER | 8.3 | Ruben Gideon Koellner | Nikolas Wachinger | 1/2-1/2 | 66 | Open |
| 1907 | 2020-10-16 | CD Meyer Gedenkturnier | Bremen GER | 7.2 | Romain Edouard | Ruben Gideon Koellner | 1/2-1/2 | 34 | Open |
| 1908 | 2020-10-15 | CD Meyer Gedenkturnier | Bremen GER | 6.3 | Dmitrij Kollars | Ruben Gideon Koellner | 1/2-1/2 | 30 | Open |
| 1909 | 2020-10-14 | CD Meyer Gedenkturnier | Bremen GER | 5.4 | Ruben Gideon Koellner | Spartak Grigorian | 1-0 | 71 | Open |
| 1910 | 2020-10-13 | CD Meyer Gedenkturnier | Bremen GER | 4.1 | Alexander Donchenko | Ruben Gideon Koellner | 1-0 | 61 | Open |
| 1911 | 2020-10-12 | CD Meyer Gedenkturnier | Bremen GER | 3.3 | Ruben Gideon Koellner | Gabor Papp | 1-0 | 46 | Open |
| 1912 | 2020-10-11 | CD Meyer Gedenkturnier | Bremen GER | 2.7 | Ruben Gideon Koellner | David Kardoeus | 1-0 | 38 | Open |
| 1913 | 2020-10-10 | CD Meyer Gedenkturnier | Bremen GER | 1.11 | Sreyas Payyappat | Ruben Gideon Koellner | 1/2-1/2 | 58 | Open |
| 1914 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 9 | Ruben Gideon Koellner | Guillermo Baches Garcia | 0-1 | 38 | Open |
| 1915 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 8 | Gianmarco Leiva | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1916 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 7 | Marcin Sieciechowicz | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 1917 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 6 | Ruben Gideon Koellner | Aref Vasli | 1-0 | 75 | Open |
| 1918 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 5 | Conrad Holt | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 1919 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 4 | Johnatan Bakalchuk | Ruben Gideon Koellner | 1/2-1/2 | 47 | Open |
| 1920 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 3 | Ruben Gideon Koellner | Pedro Ramon Martinez Reyes | 1-0 | 42 | Open |
| 1921 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 2 | Ruben Gideon Koellner | Sergey D. Rodchenkov | 1-0 | 46 | Open |
| 1922 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 1 | Dennis Wagner | Ruben Gideon Koellner | 1-0 | 23 | Open |
| 1923 | 2020-10-06 | Titled Tuesday 6th Oct | chess.com INT | 10 | Ruben Gideon Koellner | Anatoly Borodavkin | 1-0 | 31 | Open |
| 1924 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 8 | Ruben Gideon Koellner | Olga Artemyeva | 1-0 | 78 | Open |
| 1925 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 7 | Ruben Gideon Koellner | Antonio Arencibia Monduy | 0-1 | 52 | Open |
| 1926 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 6 | L M S T De Silva | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 1927 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 5 | Ruben Gideon Koellner | Christiansen-Danut-Eugen Sava | 1-0 | 26 | Open |
| 1928 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 4 | Gianmarco Leiva | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 1929 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 3 | Ruben Gideon Koellner | Aditya Mittal | 0-1 | 55 | Open |
| 1930 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 2 | Anatoly Bykhovsky | Ruben Gideon Koellner | 1-0 | 30 | Open |
| 1931 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 15 | Ruben Gideon Koellner | Facundo Vazquez | 0-1 | 35 | Open |
| 1932 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 14 | Mike Sailer | Ruben Gideon Koellner | 1/2-1/2 | 105 | Open |
| 1933 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 12 | Han Schut | Ruben Gideon Koellner | 1-0 | 57 | Open |
| 1934 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 11 | Ruben Gideon Koellner | Sergey D. Rodchenkov | 0-1 | 47 | Open |
| 1935 | 2020-10-03 | Speed Chess Super Swiss | chess.com INT | 10 | Ruben Gideon Koellner | Rakesh Kulkarni | 0-1 | 61 | Open |
| 1936 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 9 | Sergey Shtyka | Ruben Gideon Koellner | 0-1 | 26 | Open |
| 1937 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 8 | Ruben Gideon Koellner | Evgenij Shuvalov | 1/2-1/2 | 72 | Open |
| 1938 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 7 | Jarmo Hartikainen | Ruben Gideon Koellner | 0-1 | 48 | Open |
| 1939 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 6 | Ruben Gideon Koellner | Mike Sailer | 1/2-1/2 | 42 | Open |
| 1940 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 5 | Sergey Nadeev | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 1941 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 4 | Ruben Gideon Koellner | Vantika Agrawal | 0-1 | 53 | Open |
| 1942 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 3 | Ruben Gideon Koellner | Ivan Excender Soriano Quispe | 1-0 | 35 | Open |
| 1943 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 2 | Martin Horak | Ruben Gideon Koellner | 1-0 | 31 | Open |
| 1944 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 1 | Grigory Gusarov | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1945 | 2020-09-29 | Titled Tuesday 29th Sept | chess.com INT | 10 | Narmin Khalafova | Ruben Gideon Koellner | 1-0 | 49 | Open |
| 1946 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 9 | Ruben Gideon Koellner | Margarita Filippova | 0-1 | 37 | Open |
| 1947 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 8 | Ivan Excender Soriano Quispe | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 1948 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 7 | Ramil Sadykov | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 1949 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 5 | Ruben Gideon Koellner | Pavel Eljanov | 1-0 | 29 | Open |
| 1950 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 4 | Momchil Petkov | Ruben Gideon Koellner | 1/2-1/2 | 110 | Open |
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