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 |
|---|---|---|---|---|---|---|---|---|---|
| 1801 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 7 | Ruben Gideon Koellner | Pablo Barrionuevo | 1-0 | 43 | Open |
| 1802 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 6 | Velimir Ivic | Ruben Gideon Koellner | 1-0 | 61 | Open |
| 1803 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 5 | Ruben Gideon Koellner | Renato R. Quintiliano | 0-1 | 36 | Open |
| 1804 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 4 | Ruben Gideon Koellner | Vuk Djordjevic | 1-0 | 35 | Open |
| 1805 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 3 | Patrick Gelbenegger | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 1806 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 2 | Vahap Sanal | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 1807 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 1 | Ruben Gideon Koellner | Pavel Kolar | 1-0 | 66 | Open |
| 1808 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 11 | Ruben Gideon Koellner | Pavel Shkapenko | 0-1 | 51 | Open |
| 1809 | 2021-01-12 | Titled Tuesday 12th Jan | chess.com INT | 10 | Jung Min Seo | Ruben Gideon Koellner | 1-0 | 57 | Open |
| 1810 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 9 | Qiyu Zhou | Ruben Gideon Koellner | 0-1 | 36 | Open |
| 1811 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 8 | Ruben Gideon Koellner | Azer Mirzoev | 0-1 | 34 | Open |
| 1812 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 6 | Maryana Huda | Ruben Gideon Koellner | 1/2-1/2 | 77 | Open |
| 1813 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 5 | Ruben Gideon Koellner | Dmitrij Kazmin | 1-0 | 44 | Open |
| 1814 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 3 | Ruben Gideon Koellner | Bojan Maksimovic | 0-1 | 39 | Open |
| 1815 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 2 | Ruben Gideon Koellner | Milton Pantzar | 0-1 | 26 | Open |
| 1816 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 1 | Arsen Kukhmazov | Ruben Gideon Koellner | 0-1 | 50 | Open |
| 1817 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 11 | Ruben Gideon Koellner | Alexander Gelman | 0-1 | 31 | Open |
| 1818 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 10 | Ruben Gideon Koellner | Ryan Amburgy | 1-0 | 66 | Open |
| 1819 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 9 | Armin Musovic | Ruben Gideon Koellner | 1-0 | 34 | Open |
| 1820 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 8 | Ruben Gideon Koellner | Ieuan C Ward | 1-0 | 15 | Open |
| 1821 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 7 | Piotr Piesik | Ruben Gideon Koellner | 1-0 | 62 | Open |
| 1822 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 6 | Ruben Gideon Koellner | Frank Buchenau | 1-0 | 28 | Open |
| 1823 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 5 | Ruben Gideon Koellner | Erdni Urjubdshzirov | 0-1 | 37 | Open |
| 1824 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 4 | Karina Ivanova | Ruben Gideon Koellner | 0-1 | 51 | Open |
| 1825 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 3 | Ruben Gideon Koellner | Vjacheslav Weetik | 0-1 | 39 | Open |
| 1826 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 2 | Ruben Gideon Koellner | Eduard Ashiev | 1-0 | 41 | Open |
| 1827 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 1 | Brandon Jacobson | Ruben Gideon Koellner | 1-0 | 73 | Open |
| 1828 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 11 | Ruben Gideon Koellner | Shanmukha Meruga | 1-0 | 27 | Open |
| 1829 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 10 | Moshe Katzir | Ruben Gideon Koellner | 1/2-1/2 | 39 | Open |
| 1830 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 9 | R. Premnath | Ruben Gideon Koellner | 1-0 | 56 | Open |
| 1831 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 8 | Valery Skatchkov | Ruben Gideon Koellner | 0-1 | 55 | Open |
| 1832 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 7 | Ruben Gideon Koellner | Narmin Khalafova | 1-0 | 66 | Open |
| 1833 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 5 | Ivan Excender Soriano Quispe | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 1834 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 4 | Bao Nghia Dong | Ruben Gideon Koellner | 1/2-1/2 | 66 | Open |
| 1835 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 3 | Ruben Gideon Koellner | Matthew Obrien | 0-1 | 68 | Open |
| 1836 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 2 | Lorenzo Lodici | Ruben Gideon Koellner | 1-0 | 66 | Open |
| 1837 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 20 | Mubassar Uddin | Ruben Gideon Koellner | 1-0 | 26 | Open |
| 1838 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 1 | Bogdan Belyakov | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1839 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 19 | Ruben Gideon Koellner | Mihailo Djokic | 0-1 | 61 | Open |
| 1840 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 18 | Ruben Gideon Koellner | Ritvars Reimanis | 0-1 | 39 | Open |
| 1841 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 17 | Lance Henderson de La Fuente | Ruben Gideon Koellner | 1-0 | 57 | Open |
| 1842 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 15 | Arjoe Loanzon | Ruben Gideon Koellner | 0-1 | 36 | Open |
| 1843 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 14 | Ruben Gideon Koellner | Felix Meissner | 1-0 | 74 | Open |
| 1844 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 12 | Luka Budisavljevic | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1845 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 11 | Ruben Gideon Koellner | Panagiotis Christodoulou | 1-0 | 51 | Open |
| 1846 | 2020-12-19 | Chess.com Bullet Open 1 | chess.com INT | 10 | Ruben Gideon Koellner | Nikolaos Spyropoulos | 0-1 | 38 | Open |
| 1847 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 8.128 | Pola Parol | Ruben Gideon Koellner | 1-0 | 1 | Open |
| 1848 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 5.121 | Wojciech Przybylski | Ruben Gideon Koellner | 1-0 | 45 | Open |
| 1849 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 4.146 | Ruben Gideon Koellner | Alexandros Papasimakopoulos | 1-0 | 56 | Open |
| 1850 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 3.137 | Mateusz Brozyna | Ruben Gideon Koellner | 1-0 | 41 | Open |
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