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 |
|---|---|---|---|---|---|---|---|---|---|
| 1651 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Andras Dankhazi | 0-1 | 46 | Open |
| 1652 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Volkan Yirik | 1-0 | 57 | Open |
| 1653 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Alexandros Papasimakopoulos | 0-1 | 50 | Open |
| 1654 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Andre Ventura Sousa | 0-1 | 58 | Open |
| 1655 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Collin Colbow | 0-1 | 68 | Open |
| 1656 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Alikhan Rashit | 1-0 | 14 | Open |
| 1657 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Samvel Ter-Sahakyan | 0-1 | 37 | Open |
| 1658 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Fy Antenaina Rakotomaharo | 0-1 | 80 | Open |
| 1659 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Ritvars Reimanis | 0-1 | 62 | Open |
| 1660 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Max Warmerdam | 0-1 | 60 | Open |
| 1661 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Piotr Piesik | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 1662 | 2021-05-08 | Titled Arena May 8th 2021 | lichess.org INT | - | Michal Bartel | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 1663 | 2021-05-08 | Mitropa Online Cup 2021 | Tornelo INT | 5.1 | Jernej Spalir | Ruben Gideon Koellner | 1/2-1/2 | 51 | Open |
| 1664 | 2021-05-07 | Mitropa Online Cup 2021 | Tornelo INT | 4.1 | Ruben Gideon Koellner | Gabor Nagy | 1/2-1/2 | 42 | Open |
| 1665 | 2021-05-06 | Mitropa Online Cup 2021 | Tornelo INT | 3.1 | Robert Zelcic | Ruben Gideon Koellner | 0-1 | 57 | Open |
| 1666 | 2021-05-05 | Mitropa Online Cup 2021 | Tornelo INT | 2.1 | Ruben Gideon Koellner | Florian Schwabeneder | 1/2-1/2 | 52 | Open |
| 1667 | 2021-05-04 | Mitropa Online Cup 2021 | Tornelo INT | 1.1 | Ruben Gideon Koellner | Fabian Baenziger | 1-0 | 41 | Open |
| 1668 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 8 | Ruben Gideon Koellner | Ivan Ivanisevic | 0-1 | 41 | Open |
| 1669 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 7 | Ruben Gideon Koellner | Nathan Solon | 1/2-1/2 | 75 | Open |
| 1670 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 6 | Harshavardhan G B | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 1671 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 5 | Omer Faruk Ozer | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1672 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 4 | Ruben Gideon Koellner | Wagh Suyog | 0-1 | 78 | Open |
| 1673 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 2 | Ruben Gideon Koellner | Alejandro Rios Parra | 1-0 | 45 | Open |
| 1674 | 2021-04-27 | Titled Tuesday 27th Apr | chess.com INT | 1 | Gata Kamsky | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 1675 | 2021-04-16 | TCh-GER Online Playoffs | PlayChess INT | 1.4 | Denny Lawrenz | Ruben Gideon Koellner | 1/2-1/2 | 37 | Open |
| 1676 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 7 | Jan Vykouk | Ruben Gideon Koellner | 1-0 | 41 | Open |
| 1677 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 6 | Ruben Gideon Koellner | Jan Klimkowski | 0-1 | 77 | Open |
| 1678 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 5 | Ruben Gideon Koellner | Pierre Villegas | 1-0 | 26 | Open |
| 1679 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 4 | Alexandros Papasimakopoulos | Ruben Gideon Koellner | 1-0 | 34 | Open |
| 1680 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 3 | Ruben Gideon Koellner | Azer Mirzoev | 1-0 | 36 | Open |
| 1681 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 2 | Robert Gabriel | Ruben Gideon Koellner | 0-1 | 30 | Open |
| 1682 | 2021-04-13 | Titled Tuesday 13th Apr | chess.com INT | 1 | Ruben Gideon Koellner | Mark Timmermans | 0-1 | 56 | Open |
| 1683 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 4 | Levente Vajda | Ruben Gideon Koellner | 1-0 | 66 | Open |
| 1684 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 3 | Ruben Gideon Koellner | Piotr Piesik | 0-1 | 48 | Open |
| 1685 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 2 | Ruben Gideon Koellner | Leon Livaic | 1-0 | 57 | Open |
| 1686 | 2021-04-06 | Titled Tuesday 6th Apr | chess.com INT | 1 | Zviad Izoria | Ruben Gideon Koellner | 1/2-1/2 | 43 | Open |
| 1687 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Mahel Boyer | Ruben Gideon Koellner | 1-0 | 61 | Open |
| 1688 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Olga Karavaeva | Ruben Gideon Koellner | 1-0 | 62 | Open |
| 1689 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Tryfon C Gavriel | Ruben Gideon Koellner | 1/2-1/2 | 115 | Open |
| 1690 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Amir Hadzovic | Ruben Gideon Koellner | 0-1 | 44 | Open |
| 1691 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Iulian Baltag | Ruben Gideon Koellner | 0-1 | 14 | Open |
| 1692 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Chukwunonso Oragwu | 1-0 | 59 | Open |
| 1693 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Ahmad Hamad | 1-0 | 51 | Open |
| 1694 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Esat Baglan | 0-1 | 32 | Open |
| 1695 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Bruna Geske | 1-0 | 27 | Open |
| 1696 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Alexander Devaev | 0-1 | 37 | Open |
| 1697 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Artem Sadovsky | 0-1 | 77 | Open |
| 1698 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Konstantin Bazarov | 1/2-1/2 | 53 | Open |
| 1699 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Dmitry Mischuk | 1-0 | 37 | Open |
| 1700 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Alexandr Kostiukov | 0-1 | 39 | Open |
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