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 |
|---|---|---|---|---|---|---|---|---|---|
| 651 | 2023-08-28 | World Rapid Team 2023 | Dusseldorf GER | 10.7 | Peter Svidler | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 652 | 2023-08-27 | World Rapid Team 2023 | Dusseldorf GER | 8.8 | Ruben Gideon Koellner | Nigel D Short | 0-1 | 32 | Open |
| 653 | 2023-08-27 | World Rapid Team 2023 | Dusseldorf GER | 7.8 | Bilel Bellahcene | Ruben Gideon Koellner | 1-0 | 27 | Open |
| 654 | 2023-08-27 | World Rapid Team 2023 | Dusseldorf GER | 6.6 | Ruben Gideon Koellner | Jorden Van Foreest | 1/2-1/2 | 59 | Open |
| 655 | 2023-08-27 | World Rapid Team 2023 | Dusseldorf GER | 5.1 | Ruben Gideon Koellner | Ben Magana | 1-0 | 42 | Open |
| 656 | 2023-08-26 | World Rapid Team 2023 | Dusseldorf GER | 4.3 | Haik M. Martirosyan | Ruben Gideon Koellner | 1-0 | 64 | Open |
| 657 | 2023-08-26 | World Rapid Team 2023 | Dusseldorf GER | 3.7 | Ruben Gideon Koellner | Nicolas Perossa | 1-0 | 60 | Open |
| 658 | 2023-08-26 | World Rapid Team 2023 | Dusseldorf GER | 2.3 | Alexander Grischuk | Ruben Gideon Koellner | 1-0 | 32 | Open |
| 659 | 2023-08-26 | World Rapid Team 2023 | Dusseldorf GER | 1.14 | Sander Miesen | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 660 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 6 | Ruben Gideon Koellner | Tomasz Jaskolka | 0-1 | 61 | Open |
| 661 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 5 | Gerson Principe | Ruben Gideon Koellner | 1-0 | 32 | Open |
| 662 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 5 | Ruben Gideon Koellner | Olga Badelka | 1/2-1/2 | 54 | Open |
| 663 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 4 | Ruben Gideon Koellner | Asish Panda | 1/2-1/2 | 31 | Open |
| 664 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 4 | Amir Hosein Kashefi | Ruben Gideon Koellner | 0-1 | 48 | Open |
| 665 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 3 | Ruben Gideon Koellner | Rauf Mamedov | 0-1 | 79 | Open |
| 666 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 3 | Ruben Gideon Koellner | Tuan Minh Le | 0-1 | 75 | Open |
| 667 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 2 | Ruben Gideon Koellner | Dias Issabayev | 1-0 | 43 | Open |
| 668 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 2 | Cristian-Stefan Serban | Ruben Gideon Koellner | 0-1 | 62 | Open |
| 669 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 1 | Ruben Gideon Koellner | Sergio Joshafatt Morales Garcia | 1-0 | 34 | Open |
| 670 | 2023-08-21 | chess.com SpeedChess Q1Sw | chess.com INT | 6 | Ruben Gideon Koellner | M. Amin Tabatabaei | 0-1 | 36 | Open |
| 671 | 2023-08-21 | chess.com SpeedChess Q1Sw | chess.com INT | 5 | Ruben Gideon Koellner | Konstantin L. Kodinets | 1-0 | 60 | Open |
| 672 | 2023-08-21 | chess.com SpeedChess Q1Sw | chess.com INT | 4 | Rosh Jain | Ruben Gideon Koellner | 1/2-1/2 | 47 | Open |
| 673 | 2023-08-21 | chess.com SpeedChess Q1Sw | chess.com INT | 3 | Ruben Gideon Koellner | Alexey Sarana | 0-1 | 26 | Open |
| 674 | 2023-08-21 | chess.com SpeedChess Q1Sw | chess.com INT | 2 | Ruben Gideon Koellner | Rinat Jumabayev | 0-1 | 57 | Open |
| 675 | 2023-08-21 | chess.com SpeedChess Q1Sw | chess.com INT | 1 | Marcel Winkels | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 676 | 2023-08-12 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 9.5 | Ruben Gideon Koellner | Nikita Meshkovs | 1/2-1/2 | 53 | Open |
| 677 | 2023-08-11 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 8.1 | Zigurds Lanka | Ruben Gideon Koellner | 0-1 | 44 | Open |
| 678 | 2023-08-10 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 7.5 | Hussain Besou | Ruben Gideon Koellner | 0-1 | 59 | Open |
| 679 | 2023-08-09 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 6.2 | Ruben Gideon Koellner | Alexander Berelowitsch | 0-1 | 36 | Open |
| 680 | 2023-08-08 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 5.4 | Shreyas Royal | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 681 | 2023-08-08 | Titled Tue 8th Aug Early | chess.com INT | 4 | Ruben Gideon Koellner | Bruno Andre Leite Martins | 0-1 | 60 | Open |
| 682 | 2023-08-08 | Titled Tue 8th Aug Early | chess.com INT | 3 | Mark Smirnov | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 683 | 2023-08-08 | Titled Tue 8th Aug Early | chess.com INT | 2 | Ruben Gideon Koellner | Jacob Chudnovsky | 1-0 | 23 | Open |
| 684 | 2023-08-08 | Titled Tue 8th Aug Early | chess.com INT | 1 | Kukreja Sankalp | Ruben Gideon Koellner | 1-0 | 27 | Open |
| 685 | 2023-08-07 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 4.3 | Ruben Gideon Koellner | Kai Spriestersbach | 1-0 | 65 | Open |
| 686 | 2023-08-06 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 3.3 | Thomas Willemze | Ruben Gideon Koellner | 0-1 | 52 | Open |
| 687 | 2023-08-05 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 2.4 | Ruben Gideon Koellner | Alexander Krastev | 1/2-1/2 | 18 | Open |
| 688 | 2023-08-04 | Erkenschwick Jubilee 2023 | Oer-Erkenschwick GER | 1.2 | Arthur De Winter | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 689 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 9 | Ruben Gideon Koellner | Marcin Krzyzanowski | 1-0 | 55 | Open |
| 690 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 8 | Ruben Gideon Koellner | Alan Pichot | 0-1 | 31 | Open |
| 691 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 7 | Egor Baskakov | Ruben Gideon Koellner | 1-0 | 60 | Open |
| 692 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 6 | Ruben Gideon Koellner | Roman Zhenetl | 1-0 | 57 | Open |
| 693 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 5 | Samvel Ter-Sahakyan | Ruben Gideon Koellner | 0-1 | 62 | Open |
| 694 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 4 | Ruben Gideon Koellner | Aram Hakobyan | 1-0 | 68 | Open |
| 695 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 3 | Nicolai Maxime Ostensen | Ruben Gideon Koellner | 0-1 | 77 | Open |
| 696 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 2 | Ruben Gideon Koellner | Marcos Rodriguez Fontecha | 1-0 | 72 | Open |
| 697 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 1 | Frederick Waldhausen Gordon | Ruben Gideon Koellner | 1/2-1/2 | 59 | Open |
| 698 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 1 | Ruben Gideon Koellner | Guillermo Baches Garcia | 1/2-1/2 | 77 | Open |
| 699 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 11 | Ruben Gideon Koellner | Augustinas Bazilius | 1-0 | 69 | Open |
| 700 | 2023-08-01 | Titled Tue 1st Aug Early | chess.com INT | 10 | Yaroslav Remizov | Ruben Gideon Koellner | 1-0 | 40 | Open |
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