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 |
|---|---|---|---|---|---|---|---|---|---|
| 2051 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 7 | Ruben Gideon Koellner | Eric Rosen | 0-1 | 44 | Open |
| 2052 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 6 | Valdis Tronenkovs | Ruben Gideon Koellner | 1-0 | 57 | Open |
| 2053 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 5 | Ruben Gideon Koellner | Renate Vidruska | 1-0 | 16 | Open |
| 2054 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 4 | Jagadeesh Siddharth | Ruben Gideon Koellner | 1-0 | 34 | Open |
| 2055 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 3 | Margarita Potapova | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 2056 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 2 | Ruben Gideon Koellner | Konstantinos Markidis | 1-0 | 70 | Open |
| 2057 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 10 | Matheus Garcett Souza dos Santos | Ruben Gideon Koellner | 0-1 | 57 | Open |
| 2058 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 9 | Ruben Gideon Koellner | Jose Antonio Herrera Reyes | 1-0 | 24 | Open |
| 2059 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 8 | Yuliia Osmak | Ruben Gideon Koellner | 1-0 | 15 | Open |
| 2060 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 7 | Ruben Gideon Koellner | Pedro Henrique Alves Nascimento | 1-0 | 45 | Open |
| 2061 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 6 | Ruben Gideon Koellner | Oleksandr Prokhorov | 1-0 | 54 | Open |
| 2062 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 5 | Renate Vidruska | Ruben Gideon Koellner | 1-0 | 38 | Open |
| 2063 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 4 | Mubassar Uddin | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 2064 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 2 | Zaur Mammadov | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 2065 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 10 | Niranjan Navalgund | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 2066 | 2020-06-16 | Titled Tuesday 16th June | chess.com INT | 9 | Ruben Gideon Koellner | David Sh. Gevorgyan | 0-1 | 27 | Open |
| 2067 | 2020-06-16 | Titled Tuesday 16th June | chess.com INT | 7 | Ruben Gideon Koellner | Daniel Rangel | 0-1 | 50 | Open |
| 2068 | 2020-06-16 | Titled Tuesday 16th June | chess.com INT | 5 | Mikhail Kobalia | Ruben Gideon Koellner | 0-1 | 29 | Open |
| 2069 | 2020-06-16 | Titled Tuesday 16th June | chess.com INT | 3 | Bernardo Vainzoff Sztokbant | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 2070 | 2020-06-16 | Titled Tuesday 16th June | chess.com INT | 2 | Nino Khomeriki | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 2071 | 2020-06-16 | Titled Tuesday 16th June | chess.com INT | 10 | Ruben Gideon Koellner | Aaron Cooper | 1-0 | 51 | Open |
| 2072 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 9 | Ruben Gideon Koellner | Matheus Garcett Souza dos Santos | 1-0 | 69 | Open |
| 2073 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 8 | Han Schut | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 2074 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 7 | Ruben Gideon Koellner | Rachid Schrik | 0-1 | 57 | Open |
| 2075 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 6 | Lela Javakhishvili | Ruben Gideon Koellner | 1-0 | 32 | Open |
| 2076 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 5 | Ruben Gideon Koellner | Petra Papp | 1/2-1/2 | 74 | Open |
| 2077 | 2020-06-09 | Titled Tuesday 9th June | chess.com INT | 4 | Igor Glek | Ruben Gideon Koellner | 1-0 | 23 | Open |
| 2078 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 8 | Ruben Gideon Koellner | Roza Idrisova | 1-0 | 41 | Open |
| 2079 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 5 | Amina Kairbekova | Ruben Gideon Koellner | 0-1 | 38 | Open |
| 2080 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 4 | Ruben Gideon Koellner | Panagiotis Christodoulou | 0-1 | 75 | Open |
| 2081 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 3 | Ruben Gideon Koellner | Oliver Wartiovaara | 1-0 | 36 | Open |
| 2082 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 1 | Jose Antonio Herrera Reyes | Ruben Gideon Koellner | 1-0 | 25 | Open |
| 2083 | 2020-06-02 | Titled Tuesday 2nd June | chess.com INT | 10 | Daniel Fischer | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 2084 | 2020-05-26 | Titled Tuesday 26th May | chess.com INT | 9 | Bryan Xie | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 2085 | 2020-05-26 | Titled Tuesday 26th May | chess.com INT | 7 | Slaven Pastar | Ruben Gideon Koellner | 1-0 | 30 | Open |
| 2086 | 2020-05-26 | Titled Tuesday 26th May | chess.com INT | 5 | Ruben Gideon Koellner | Kacper Polok | 1-0 | 21 | Open |
| 2087 | 2020-05-26 | Titled Tuesday 26th May | chess.com INT | 3 | Gregory Shahade | Ruben Gideon Koellner | 1-0 | 25 | Open |
| 2088 | 2020-05-26 | Titled Tuesday 26th May | chess.com INT | 2 | Ruben Gideon Koellner | Kemel Antonio Gallo Garcia | 1-0 | 26 | Open |
| 2089 | 2020-05-26 | Titled Tuesday 26th May | chess.com INT | 1 | Ruben Gideon Koellner | Konstantin Borsuk | 1/2-1/2 | 75 | Open |
| 2090 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 9 | Ruben Gideon Koellner | Jesus Marcial Torres Cueto | 0-1 | 17 | Open |
| 2091 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 8 | Ruben Gideon Koellner | Orlen Ruiz Sanchez | 1-0 | 74 | Open |
| 2092 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 6 | Ruben Gideon Koellner | Ana Berke | 1-0 | 19 | Open |
| 2093 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 4 | Miranda Mikadze | Ruben Gideon Koellner | 1-0 | 38 | Open |
| 2094 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 3 | Ruben Gideon Koellner | Divya Deshmukh | 0-1 | 35 | Open |
| 2095 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 2 | Ruben Gideon Koellner | Christophe Sochacki | 0-1 | 45 | Open |
| 2096 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 1 | Nurgyul Salimova | Ruben Gideon Koellner | 1/2-1/2 | 80 | Open |
| 2097 | 2020-05-19 | Titled Tuesday 19th May | chess.com INT | 10 | Mihai-Lucian Grunberg | Ruben Gideon Koellner | 1-0 | 28 | Open |
| 2098 | 2020-01-06 | 32nd Staufer-Open 2020 | Schwaebisch Gmuend GER | 9.4 | Ruben Gideon Koellner | Jaroslaw Krassowizkij | 1/2-1/2 | 18 | Open |
| 2099 | 2020-01-05 | 32nd Staufer-Open 2020 | Schwaebisch Gmuend GER | 8.6 | Ruben Gideon Koellner | Roven Vogel | 1-0 | 34 | Open |
| 2100 | 2020-01-05 | 32nd Staufer-Open 2020 | Schwaebisch Gmuend GER | 7.21 | Jens Mink | Ruben Gideon Koellner | 0-1 | 32 | Open |
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