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 |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 3 | Felix Hindermann | Ruben Gideon Koellner | 0-1 | 77 | Open |
| 1952 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 2 | Ruben Gideon Koellner | Martin Horak | 1-0 | 19 | Open |
| 1953 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 1 | Ruben Gideon Koellner | Anna Kubicka | 0-1 | 31 | Open |
| 1954 | 2020-09-22 | Titled Tuesday 22nd Sept | chess.com INT | 10 | Ruben Gideon Koellner | Konstantin Loy | 1-0 | 49 | Open |
| 1955 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 9 | Ruben Gideon Koellner | Malik Curriah | 1-0 | 33 | Open |
| 1956 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 8 | Ruben Gideon Koellner | Wojciech Przybylski | 0-1 | 61 | Open |
| 1957 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 7 | Alvaro Donatti | Ruben Gideon Koellner | 0-1 | 21 | Open |
| 1958 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 6 | Madara Golsta | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1959 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 4 | Jan Jodilyn Fronda | Ruben Gideon Koellner | 1-0 | 28 | Open |
| 1960 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 3 | Ruben Gideon Koellner | Emilia Zavivaeva | 1-0 | 33 | Open |
| 1961 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 2 | Silvio Eduardo Oliveira | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 1962 | 2020-09-15 | Titled Tuesday 15th Sept | chess.com INT | 1 | Lefong Hua | Ruben Gideon Koellner | 1-0 | 79 | Open |
| 1963 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 9 | Nadezhda Antonova | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 1964 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 8 | Daniel Yoshito Ikejiri | Ruben Gideon Koellner | 1/2-1/2 | 69 | Open |
| 1965 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 7 | Ruben Gideon Koellner | Winston Joseph R Silva | 1-0 | 53 | Open |
| 1966 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 6 | Ruben Gideon Koellner | Olga Artemyeva | 0-1 | 27 | Open |
| 1967 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 5 | Ward Al-Tarboush | Ruben Gideon Koellner | 1-0 | 81 | Open |
| 1968 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 4 | Alexandr Ledakov | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 1969 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 3 | Ruben Gideon Koellner | Emilia Zavivaeva | 1-0 | 55 | Open |
| 1970 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 2 | Ioannis Kalogeris | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1971 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 1 | Ruben Gideon Koellner | Vasiliy Korchmar | 0-1 | 45 | Open |
| 1972 | 2020-09-08 | Titled Tuesday 8th Sept | chess.com INT | 10 | Ruben Gideon Koellner | Maximiliano Perez | 0-1 | 27 | Open |
| 1973 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 9 | Ruben Gideon Koellner | Margarita Filippova | 0-1 | 44 | Open |
| 1974 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 8 | Ruben Gideon Koellner | Ayan Allahverdiyeva | 0-1 | 40 | Open |
| 1975 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 6 | Robert Baskin | Ruben Gideon Koellner | 1-0 | 31 | Open |
| 1976 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 5 | Ruben Gideon Koellner | Lukas Winterberg | 1/2-1/2 | 86 | Open |
| 1977 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 4 | Nitai Leve | Ruben Gideon Koellner | 0-1 | 47 | Open |
| 1978 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 3 | Ruben Gideon Koellner | Evgenij Novikov | 0-1 | 34 | Open |
| 1979 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 2 | Ruben Gideon Koellner | Bernardo Vainzoff Sztokbant | 1-0 | 61 | Open |
| 1980 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 1 | Deep Sengupta | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 1981 | 2020-09-01 | Titled Tuesday 1st Sept | chess.com INT | 10 | Attila Turzo | Ruben Gideon Koellner | 1-0 | 26 | Open |
| 1982 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 9 | Ibrahim Tofan | Ruben Gideon Koellner | 0-1 | 68 | Open |
| 1983 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 8 | Ruben Gideon Koellner | Jorge Carlos Antonio | 1-0 | 55 | Open |
| 1984 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 7 | Mykhaylo Kepeshchuk | Ruben Gideon Koellner | 1-0 | 87 | Open |
| 1985 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 6 | Ruben Gideon Koellner | Erick Zhao | 0-1 | 86 | Open |
| 1986 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 5 | Malik Curriah | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 1987 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 4 | Boris Abrashkin | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 1988 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 2 | Marcin Sieciechowicz | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 1989 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 1 | Ruben Gideon Koellner | Viorel Iordachescu | 0-1 | 45 | Open |
| 1990 | 2020-08-25 | Titled Tue 25th Aug | chess.com INT | 10 | Ruben Gideon Koellner | David Itkin | 0-1 | 68 | Open |
| 1991 | 2020-08-22 | ch-GER DEM 2020 | Magdeburg GER | 9.5 | Ruben Gideon Koellner | Dominik Mueller | 1-0 | 40 | Open |
| 1992 | 2020-08-21 | ch-GER DEM 2020 | Magdeburg GER | 8.14 | Tobias Voege | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 1993 | 2020-08-20 | ch-GER DEM 2020 | Magdeburg GER | 7.15 | Ruben Gideon Koellner | Peter Michalowski | 1-0 | 51 | Open |
| 1994 | 2020-08-20 | ch-GER DEM 2020 | Magdeburg GER | 6.15 | Marc Gustain | Ruben Gideon Koellner | 1/2-1/2 | 62 | Open |
| 1995 | 2020-08-19 | ch-GER DEM 2020 | Magdeburg GER | 5.16 | Ruben Gideon Koellner | Felix Schulte | 1/2-1/2 | 63 | Open |
| 1996 | 2020-08-18 | ch-GER DEM 2020 | Magdeburg GER | 4.12 | Niklas Geue | Ruben Gideon Koellner | 1-0 | 64 | Open |
| 1997 | 2020-08-18 | ch-GER DEM 2020 | Magdeburg GER | 3.11 | Ruben Gideon Koellner | Herbert Bastian | 0-1 | 93 | Open |
| 1998 | 2020-08-17 | ch-GER DEM 2020 | Magdeburg GER | 2.4 | Ashot Parvanyan | Ruben Gideon Koellner | 1-0 | 24 | Open |
| 1999 | 2020-08-16 | ch-GER DEM 2020 | Magdeburg GER | 1.14 | Ruben Gideon Koellner | Isaak Falke | 1-0 | 25 | Open |
| 2000 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 9 | Ruben Gideon Koellner | Robert Hess | 1-0 | 46 | Open |
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