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: 2026-10-25 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 951 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 7 | Ruben Gideon Koellner | Mathias Womacka | 1-0 | 35 | Open |
| 952 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 6 | Caio Medeiros Poeta | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 953 | 2023-02-14 | Titled Tue 14th Feb Early | chess.com INT | 6 | Ruben Gideon Koellner | Joachim Mouhamad | 1-0 | 41 | Open |
| 954 | 2023-02-14 | Titled Tue 14th Feb Early | chess.com INT | 5 | Rudik Makarian | Ruben Gideon Koellner | 1-0 | 32 | Open |
| 955 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 5 | Ruben Gideon Koellner | Daniel Rangel | 0-1 | 46 | Open |
| 956 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 4 | Hikaru Nakamura | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 957 | 2023-02-14 | Titled Tue 14th Feb Early | chess.com INT | 4 | Augustinas Bazilius | Ruben Gideon Koellner | 0-1 | 89 | Open |
| 958 | 2023-02-14 | Titled Tue 14th Feb Early | chess.com INT | 3 | Ruben Gideon Koellner | Michael Fernandez | 1-0 | 22 | Open |
| 959 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 3 | Ruben Gideon Koellner | Blazej Grot | 1-0 | 54 | Open |
| 960 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 2 | Javier Freile Martin | Ruben Gideon Koellner | 0-1 | 59 | Open |
| 961 | 2023-02-14 | Titled Tue 14th Feb Early | chess.com INT | 2 | Ivan Kalajzic | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 962 | 2023-02-14 | Titled Tue 14th Feb Early | chess.com INT | 1 | Ruben Gideon Koellner | Fruzsina Szente Varga | 0-1 | 40 | Open |
| 963 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 1 | Ruben Gideon Koellner | Hrvoje Fajdetic | 0-1 | 36 | Open |
| 964 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 11 | Ruben Gideon Koellner | Augustinas Bazilius | 0-1 | 57 | Open |
| 965 | 2023-02-14 | Titled Tue 14th Feb Late | chess.com INT | 10 | Attila Jr. Forgacs | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 966 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 8 | Ruben Gideon Koellner | Roman Yanchenko | 0-1 | 50 | Open |
| 967 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 8 | Ruben Gideon Koellner | Tomasz Jaskolka | 0-1 | 28 | Open |
| 968 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 7 | Roy Vagman | Ruben Gideon Koellner | 0-1 | 27 | Open |
| 969 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 7 | Marco Riehle | Ruben Gideon Koellner | 1/2-1/2 | 67 | Open |
| 970 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 6 | Davide Podetti | Ruben Gideon Koellner | 1-0 | 31 | Open |
| 971 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 6 | Ruben Gideon Koellner | Blazej Grot | 1-0 | 91 | Open |
| 972 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 5 | Ruben Gideon Koellner | Anna Jakubowska | 1/2-1/2 | 48 | Open |
| 973 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 5 | Alan Pichot | Ruben Gideon Koellner | 1-0 | 29 | Open |
| 974 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 4 | Ruben Gideon Koellner | Justin Sarkar | 1-0 | 38 | Open |
| 975 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 4 | Ruben Gideon Koellner | Ihor Samunenkov | 0-1 | 23 | Open |
| 976 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 3 | Cem Kaan Gokerkan | Ruben Gideon Koellner | 1/2-1/2 | 69 | Open |
| 977 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 3 | Juan David Becerra | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 978 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 2 | Ruben Gideon Koellner | Miroslav Simonovic | 1-0 | 52 | Open |
| 979 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 2 | Ruben Gideon Koellner | Olexandr Bortnyk | 0-1 | 28 | Open |
| 980 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 1 | Aleksandar Topalov | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 981 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 1 | Hrvoje Fajdetic | Ruben Gideon Koellner | 0-1 | 59 | Open |
| 982 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 9 | Ivan Kochiev | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 983 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 9 | Zbigniew Pakleza | Ruben Gideon Koellner | 1/2-1/2 | 68 | Open |
| 984 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 8 | Antonio Carlos Bambino Filho | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 985 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 8 | Ruben Gideon Koellner | Claudius-Thomas Gottstein | 1-0 | 36 | Open |
| 986 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 7 | Erik Ronka | Ruben Gideon Koellner | 1-0 | 56 | Open |
| 987 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 7 | Ruben Gideon Koellner | Oleg Papayan | 1-0 | 29 | Open |
| 988 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 6 | Ioannis Kalogeris | Ruben Gideon Koellner | 1/2-1/2 | 92 | Open |
| 989 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 6 | Ruben Gideon Koellner | Frank Buchenau | 1-0 | 41 | Open |
| 990 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 5 | Ruben Gideon Koellner | Alexandr Predke | 0-1 | 58 | Open |
| 991 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 5 | Ruben Gideon Koellner | Kamil Grycel | 0-1 | 33 | Open |
| 992 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 4 | Ruben Gideon Koellner | Orest Vovk | 1-0 | 67 | Open |
| 993 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 4 | Maria Florencia Fernandez | Ruben Gideon Koellner | 0-1 | 48 | Open |
| 994 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 3 | David Anton Guijarro | Ruben Gideon Koellner | 1-0 | 33 | Open |
| 995 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 3 | Vahe Danielyan | Ruben Gideon Koellner | 1-0 | 50 | Open |
| 996 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 2 | Andrew Tang | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 997 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 2 | Fabiano Caruana | Ruben Gideon Koellner | 1/2-1/2 | 77 | Open |
| 998 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 1 | Ruben Gideon Koellner | Felix Rose | 1-0 | 30 | Open |
| 999 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 1 | Ruben Gideon Koellner | Pablo Alexander Ruiz Aguilar | 1-0 | 35 | Open |
| 1000 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 11 | Ruben Gideon Koellner | David Torres Dominguez | 1-0 | 51 | Open |
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