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 |
|---|---|---|---|---|---|---|---|---|---|
| 1751 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 1 | Pavel Smirnov | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 1752 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 10 | Artak Manukian | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 1753 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 9 | Ruben Gideon Koellner | Iulian Baltag | 1-0 | 61 | Open |
| 1754 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 8 | Paul-Cristian Rusan | Ruben Gideon Koellner | 0-1 | 50 | Open |
| 1755 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 6 | Ruben Gideon Koellner | Azer Mirzoev | 0-1 | 25 | Open |
| 1756 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 5 | Ladislav Langner | Ruben Gideon Koellner | 0-1 | 38 | Open |
| 1757 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 4 | Sergi Mingarro Carceller | Ruben Gideon Koellner | 1/2-1/2 | 51 | Open |
| 1758 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 3 | Ruben Gideon Koellner | Alexandr Triapishko | 0-1 | 20 | Open |
| 1759 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 1 | Ruben Gideon Koellner | Parham Maghsoodloo | 0-1 | 48 | Open |
| 1760 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 11 | Marat Denishev | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 1761 | 2021-02-16 | Titled Tuesday 16th Feb | chess.com INT | 10 | Ruben Gideon Koellner | George Stoleriu | 0-1 | 84 | Open |
| 1762 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 9 | Ruben Gideon Koellner | Victor Fernandez Barrera | 0-1 | 39 | Open |
| 1763 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 7 | Ruben Gideon Koellner | Darius Viskelis | 1-0 | 34 | Open |
| 1764 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 5 | Ruben Gideon Koellner | Elena Homiakova | 0-1 | 27 | Open |
| 1765 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 4 | Ivan Ivanisevic | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 1766 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 3 | Thomas Christensen | Ruben Gideon Koellner | 0-1 | 48 | Open |
| 1767 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 2 | Ruben Gideon Koellner | Vugar Rasulov | 0-1 | 35 | Open |
| 1768 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 1 | Ruben Gideon Koellner | Chanchal Kumer Ghosh | 1-0 | 39 | Open |
| 1769 | 2021-02-09 | Titled Tuesday 9th Feb | chess.com INT | 11 | Ruben Gideon Koellner | Justin Sarkar | 0-1 | 20 | Open |
| 1770 | 2021-02-05 | TCh-GER Online Liga 1 GpA | PlayChess INT | 2.4 | Frank-Martin, Dr. Haas | Ruben Gideon Koellner | 1-0 | 3 | Open |
| 1771 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 8 | Maria Fominykh | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 1772 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 7 | Ruben Gideon Koellner | Grigory Seletsky | 0-1 | 52 | Open |
| 1773 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 6 | Leonardo Duarte | Ruben Gideon Koellner | 1-0 | 68 | Open |
| 1774 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 5 | Ruben Gideon Koellner | Ivan Kalajzic | 1-0 | 54 | Open |
| 1775 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 4 | Kirill Kuderinov | Ruben Gideon Koellner | 1-0 | 59 | Open |
| 1776 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 2 | Ruben Gideon Koellner | Denis Lazavik | 0-1 | 37 | Open |
| 1777 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 1 | Joel Johnson | Ruben Gideon Koellner | 0-1 | 24 | Open |
| 1778 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 11 | Ruben Gideon Koellner | Irina Petrova | 1-0 | 66 | Open |
| 1779 | 2021-02-02 | Titled Tuesday 2nd Feb | chess.com INT | 10 | Gleb Kaganskiy | Ruben Gideon Koellner | 0-1 | 52 | Open |
| 1780 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 9 | William Schill | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 1781 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 7 | Ruben Gideon Koellner | Jung Min Seo | 0-1 | 87 | Open |
| 1782 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 6 | Alberto Barp | Ruben Gideon Koellner | 0-1 | 48 | Open |
| 1783 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 5 | Vuk Djordjevic | Ruben Gideon Koellner | 1-0 | 26 | Open |
| 1784 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 4 | Ruben Gideon Koellner | Robert Baskin | 1-0 | 29 | Open |
| 1785 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 2 | Ruben Gideon Koellner | Bahadir Ozen | 0-1 | 52 | Open |
| 1786 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 1 | Ruben Gideon Koellner | Wiktoria Smietanska | 1-0 | 35 | Open |
| 1787 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 11 | Ruben Gideon Koellner | Nils Richter | 1-0 | 32 | Open |
| 1788 | 2021-01-26 | Titled Tuesday 26th Jan | chess.com INT | 10 | Ruben Gideon Koellner | Polina Gutkovich | 0-1 | 60 | Open |
| 1789 | 2021-01-22 | TCh-GER Online Liga 1 GpA | PlayChess INT | 1.4 | Jonas Lenz | Ruben Gideon Koellner | 1-0 | 67 | Open |
| 1790 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 9 | Alberto Barp | Ruben Gideon Koellner | 1-0 | 97 | Open |
| 1791 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 8 | Ruben Gideon Koellner | Asghar Golizadeh | 1-0 | 37 | Open |
| 1792 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 7 | Pavel-Alexandru Nastore | Ruben Gideon Koellner | 0-1 | 26 | Open |
| 1793 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 6 | Ruben Gideon Koellner | Vladimir Mikhailovsky | 0-1 | 35 | Open |
| 1794 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 3 | Ekaterina Kabanova | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1795 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 2 | Ruben Gideon Koellner | Pablo Salinas Herrera | 0-1 | 31 | Open |
| 1796 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 1 | Ruben Gideon Koellner | Daria Zaichenko | 1-0 | 32 | Open |
| 1797 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 11 | Ruben Gideon Koellner | Konstantin Peyrer | 0-1 | 31 | Open |
| 1798 | 2021-01-19 | Titled Tuesday 19th Jan | chess.com INT | 10 | Pawel Kowalczyk | Ruben Gideon Koellner | 0-1 | 55 | Open |
| 1799 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 9 | Ruben Gideon Koellner | Gregory Shahade | 1-0 | 37 | Open |
| 1800 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 8 | John Curtis | Ruben Gideon Koellner | 0-1 | 21 | Open |
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