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 |
|---|---|---|---|---|---|---|---|---|---|
| 801 | 2023-05-16 | Titled Tue 16th May Early | chess.com INT | 1 | Kapriaga Rian | Ruben Gideon Koellner | 1/2-1/2 | 55 | Open |
| 802 | 2023-05-16 | Titled Tue 16th May Late | chess.com INT | 1 | Alexandr Kostiukov | Ruben Gideon Koellner | 1-0 | 66 | Open |
| 803 | 2023-05-09 | Titled Tue 9th May Early | chess.com INT | 6 | Alexander Devaev | Ruben Gideon Koellner | 1-0 | 81 | Open |
| 804 | 2023-05-09 | Titled Tue 9th May Early | chess.com INT | 5 | Ruben Gideon Koellner | Pavel Salman | 0-1 | 50 | Open |
| 805 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 4 | Ruben Gideon Koellner | Ari Guz | 0-1 | 39 | Open |
| 806 | 2023-05-09 | Titled Tue 9th May Early | chess.com INT | 4 | Atousa Pourkashiyan | Ruben Gideon Koellner | 0-1 | 51 | Open |
| 807 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 3 | Stanislav Kovalevsky | Ruben Gideon Koellner | 1/2-1/2 | 40 | Open |
| 808 | 2023-05-09 | Titled Tue 9th May Early | chess.com INT | 3 | Benjamin Bok | Ruben Gideon Koellner | 1-0 | 29 | Open |
| 809 | 2023-05-09 | Titled Tue 9th May Early | chess.com INT | 2 | Ruben Gideon Koellner | Zsolt Korpics | 1-0 | 31 | Open |
| 810 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 2 | Ruben Gideon Koellner | Dmitry Andreikin | 0-1 | 16 | Open |
| 811 | 2023-05-09 | Titled Tue 9th May Late | chess.com INT | 1 | Gary Ng | Ruben Gideon Koellner | 0-1 | 39 | Open |
| 812 | 2023-05-09 | Titled Tue 9th May Early | chess.com INT | 1 | Ethan Bashkansky | Ruben Gideon Koellner | 1/2-1/2 | 47 | Open |
| 813 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 9 | Ruben Gideon Koellner | Tomasz Jaskolka | 1/2-1/2 | 64 | Open |
| 814 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 8 | Ruben Gideon Koellner | David Paravyan | 0-1 | 54 | Open |
| 815 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 8 | Ruben Gideon Koellner | Alvaro Bayo Milagro | 0-1 | 36 | Open |
| 816 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 7 | Elene Tsotsonava | Ruben Gideon Koellner | 1-0 | 31 | Open |
| 817 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 7 | Aydin Suleymanli | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 818 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 6 | Daniel Gutierrez Olivares | Ruben Gideon Koellner | 0-1 | 67 | Open |
| 819 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 6 | Ruben Gideon Koellner | Yuniesky Quesada Perez | 1-0 | 69 | Open |
| 820 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 5 | Ruben Gideon Koellner | Dashgyn Ibadov | 1-0 | 39 | Open |
| 821 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 5 | Ruben Gideon Koellner | William Olsson | 1-0 | 23 | Open |
| 822 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 4 | Alexander Rustemov | Ruben Gideon Koellner | 1-0 | 99 | Open |
| 823 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 4 | Jean Meunier-Pion | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 824 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 3 | Ruben Gideon Koellner | Gata Kamsky | 0-1 | 42 | Open |
| 825 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 3 | Ruben Gideon Koellner | Irina Petrova | 1-0 | 26 | Open |
| 826 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 2 | Ruben Gideon Koellner | Galina Novikova | 1-0 | 38 | Open |
| 827 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 2 | Ruben Gideon Koellner | Alain Prieto Aranguren | 1-0 | 36 | Open |
| 828 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 1 | Antonio Lopez Del Alamo | Ruben Gideon Koellner | 0-1 | 52 | Open |
| 829 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 1 | Eric Zhang | Ruben Gideon Koellner | 1/2-1/2 | 81 | Open |
| 830 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 11 | Pavel Chernomordik | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 831 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 10 | Artem Dyachuk | Ruben Gideon Koellner | 0-1 | 38 | Open |
| 832 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 9.55 | Pavel V. Tregubov | Ruben Gideon Koellner | 1-0 | 126 | Open |
| 833 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 8.51 | Mahammad Muradli | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 834 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 7.55 | Ruben Gideon Koellner | Anton Demchenko | 1/2-1/2 | 88 | Open |
| 835 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 6.63 | Ruben Gideon Koellner | Alexandr Predke | 1-0 | 51 | Open |
| 836 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 5.58 | Srinath Narayanan | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 837 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 4.52 | Jose Carlos Ibarra Jerez | Ruben Gideon Koellner | 1-0 | 38 | Open |
| 838 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 3.65 | Ruben Gideon Koellner | Rudik Makarian | 1-0 | 74 | Open |
| 839 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 2.56 | Dmitry Frolyanov | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 840 | 2023-05-01 | ChessKid Cup Play-In | chess.com INT | 1.44 | Ruben Gideon Koellner | Jorden Van Foreest | 0-1 | 71 | Open |
| 841 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 9 | Ruben Gideon Koellner | Matvey Galchenko | 0-1 | 43 | Open |
| 842 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 8 | Jakub Kosakowski | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 843 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 7 | Arsen Kukhmazov | Ruben Gideon Koellner | 1/2-1/2 | 56 | Open |
| 844 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 6 | Ivan Kubatko | Ruben Gideon Koellner | 1-0 | 30 | Open |
| 845 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 6 | Ruben Gideon Koellner | Alexander Alexikov | 1-0 | 52 | Open |
| 846 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 5 | Ruben Gideon Koellner | Sebastian Marin Posada | 0-1 | 25 | Open |
| 847 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 5 | Ruben Gideon Koellner | Kanan Hajiyev | 1-0 | 76 | Open |
| 848 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 4 | Aleksandr Shimanov | Ruben Gideon Koellner | 1-0 | 28 | Open |
| 849 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 4 | Gata Kamsky | Ruben Gideon Koellner | 1-0 | 44 | Open |
| 850 | 2023-04-25 | Titled Tue 25th Apr Late | chess.com INT | 3 | Ruben Gideon Koellner | Maksim Chigaev | 1-0 | 61 | Open |
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