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: 2026-10-29 (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 |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 10 | Egor Baskakov | Ruben Gideon Koellner | 1-0 | 27 | Open |
| 1002 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 10 | Ruben Gideon Koellner | Olga Girya | 0-1 | 74 | Open |
| 1003 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 8 | Ruben Gideon Koellner | Sergey Kim | 1/2-1/2 | 69 | Open |
| 1004 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 7 | Aleksandar Indjic | Ruben Gideon Koellner | 1-0 | 23 | Open |
| 1005 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 6 | Ruben Gideon Koellner | Evgenij Novikov | 1-0 | 52 | Open |
| 1006 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 5 | Ruben Gideon Koellner | Kanan Hajiyev | 1-0 | 51 | Open |
| 1007 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 4 | David Gasparyan | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 1008 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 3 | Dmitry Andreikin | Ruben Gideon Koellner | 1/2-1/2 | 68 | Open |
| 1009 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 2 | Ruben Gideon Koellner | Matthias Bluebaum | 1/2-1/2 | 59 | Open |
| 1010 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 1 | Ruben Gideon Koellner | Jens Nebel | 1-0 | 60 | Open |
| 1011 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 6 | Mikhail V. Kuznetsov | Ruben Gideon Koellner | 1-0 | 28 | Open |
| 1012 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 5 | Ruben Gideon Koellner | Guha Mitrabha | 0-1 | 63 | Open |
| 1013 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 4 | Alex Golding | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 1014 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 3 | Ruben Gideon Koellner | Gata Kamsky | 0-1 | 27 | Open |
| 1015 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 2 | Jaime Vaglio Munoz | Ruben Gideon Koellner | 0-1 | 62 | Open |
| 1016 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 1 | Ruben Gideon Koellner | Elvin Wilson | 1-0 | 54 | Open |
| 1017 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 9 | Ruben Gideon Koellner | Jakub Kosakowski | 0-1 | 59 | Open |
| 1018 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 8 | Martyn Kravtsiv | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 1019 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 7 | Ruben Gideon Koellner | Etienne Bacrot | 1-0 | 66 | Open |
| 1020 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 6 | Ruben Gideon Koellner | Igor L. Vakhlamov | 1-0 | 61 | Open |
| 1021 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 5 | Harsha Bharathakoti | Ruben Gideon Koellner | 0-1 | 72 | Open |
| 1022 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 4 | Ruben Gideon Koellner | Egor Baskakov | 1/2-1/2 | 53 | Open |
| 1023 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 3 | Assel Lesbekova | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1024 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 2 | Ruben Gideon Koellner | Evgeny Tomashevsky | 1/2-1/2 | 43 | Open |
| 1025 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 1 | Jan Marn | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 1026 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 11 | Samvel Ter-Sahakyan | Ruben Gideon Koellner | 1-0 | 24 | Open |
| 1027 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 10 | Ruben Gideon Koellner | Arsen Kukhmazov | 1/2-1/2 | 55 | Open |
| 1028 | 2022-12-20 | Titled Tue 20th Dec Early | chess.com INT | 7 | Ruben Gideon Koellner | Afruza Khamdamova | 0-1 | 31 | Open |
| 1029 | 2022-12-20 | Titled Tue 20th Dec Early | chess.com INT | 6 | Matei-Valeriu Mogirzan | Ruben Gideon Koellner | 1-0 | 27 | Open |
| 1030 | 2022-12-20 | Titled Tue 20th Dec Early | chess.com INT | 5 | Ruben Gideon Koellner | Bardiya Daneshvar | 0-1 | 50 | Open |
| 1031 | 2022-12-20 | Titled Tue 20th Dec Early | chess.com INT | 4 | Aisen Mestnikov | Ruben Gideon Koellner | 0-1 | 38 | Open |
| 1032 | 2022-12-20 | Titled Tue 20th Dec Early | chess.com INT | 3 | Ruben Gideon Koellner | Srinath Narayanan | 0-1 | 39 | Open |
| 1033 | 2022-12-20 | Titled Tue 20th Dec Early | chess.com INT | 2 | Kapriaga Rian | Ruben Gideon Koellner | 0-1 | 41 | Open |
| 1034 | 2022-12-20 | Titled Tue 20th Dec Early | chess.com INT | 1 | Ruben Gideon Koellner | Adham Fawzy | 1-0 | 47 | Open |
| 1035 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 9 | Sergei Zhigalko | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 1036 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 8 | Kacper Tomaszewski | Ruben Gideon Koellner | 1/2-1/2 | 82 | Open |
| 1037 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 7 | Ruben Gideon Koellner | Bahadir Ozen | 1/2-1/2 | 46 | Open |
| 1038 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 6 | Ruben Gideon Koellner | David Paravyan | 1/2-1/2 | 53 | Open |
| 1039 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 5 | Danila Bilan | Ruben Gideon Koellner | 0-1 | 61 | Open |
| 1040 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 4 | Ruben Gideon Koellner | Lela Javakhishvili | 1-0 | 35 | Open |
| 1041 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 3 | Levente Miszler | Ruben Gideon Koellner | 1/2-1/2 | 55 | Open |
| 1042 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 2 | Ruben Gideon Koellner | Jesus Martin Duque | 1-0 | 36 | Open |
| 1043 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 1 | Wojciech Przybylski | Ruben Gideon Koellner | 1-0 | 57 | Open |
| 1044 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 11 | Eduardo Jesus Mendez Fortes | Ruben Gideon Koellner | 0-1 | 39 | Open |
| 1045 | 2022-12-13 | Titled Tue 13th Dec Early | chess.com INT | 10 | Ruben Gideon Koellner | Alberto Santos Flores | 1-0 | 24 | Open |
| 1046 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 9 | Ruben Gideon Koellner | Dmitry Andreikin | 0-1 | 59 | Open |
| 1047 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 8 | Tomasz Jaskolka | Ruben Gideon Koellner | 0-1 | 34 | Open |
| 1048 | 2022-12-06 | Titled Tue 6th Dec Early | chess.com INT | 7 | Bahadir Ozen | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 1049 | 2022-12-06 | Titled Tue 6th Dec Late | chess.com INT | 7 | Artem Omelja | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 1050 | 2022-12-06 | Titled Tue 6th Dec Late | chess.com INT | 6 | Ruben Gideon Koellner | Serafin Moral Garcia | 1/2-1/2 | 77 | Open |
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