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 |
|---|---|---|---|---|---|---|---|---|---|
| 1701 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Vesal Hamedi Nia | 0-1 | 41 | Open |
| 1702 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ruben Gideon Koellner | Bogdan-Daniel Deac | 0-1 | 33 | Open |
| 1703 | 2021-04-03 | Titled Arena Apr 3rd 2021 | lichess.org INT | - | Ezio Toniutti | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 1704 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 9 | Ruben Gideon Koellner | Han Schut | 1-0 | 43 | Open |
| 1705 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 8 | Gerald Loew | Ruben Gideon Koellner | 1/2-1/2 | 55 | Open |
| 1706 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 7 | Ruben Gideon Koellner | Harshavardhan G B | 0-1 | 49 | Open |
| 1707 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 6 | Kamil Warchol | Ruben Gideon Koellner | 0-1 | 44 | Open |
| 1708 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 5 | Ruben Gideon Koellner | Zbigniew Wieczorek | 1-0 | 64 | Open |
| 1709 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 4 | Andriy Prydun | Ruben Gideon Koellner | 1-0 | 26 | Open |
| 1710 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 3 | Serhan Berat Ozdemir | Ruben Gideon Koellner | 1-0 | 22 | Open |
| 1711 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 1 | Visakh N R | Ruben Gideon Koellner | 1-0 | 31 | Open |
| 1712 | 2021-03-30 | Titled Tuesday 30th Mar | chess.com INT | 10 | Ruben Gideon Koellner | Vjacheslav Weetik | 0-1 | 37 | Open |
| 1713 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 8 | Ruben Gideon Koellner | Meri Arabidze | 1/2-1/2 | 91 | Open |
| 1714 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 7 | Ruben Gideon Koellner | Houji Yao | 1-0 | 54 | Open |
| 1715 | 2021-03-23 | TCh-GER Online Liga 1 GpA | PlayChess INT | 7.4 | Ruben Gideon Koellner | Gerhard Mueller | 1-0 | 56 | Open |
| 1716 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 6 | Aleksandra Goryachkina | Ruben Gideon Koellner | 1-0 | 62 | Open |
| 1717 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 5 | Daniel He | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 1718 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 2 | David Anton Guijarro | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 1719 | 2021-03-23 | Titled Tuesday 23rd Mar | chess.com INT | 1 | Ruben Gideon Koellner | Arseniy Nesterov | 1/2-1/2 | 58 | Open |
| 1720 | 2021-03-19 | TCh-GER Online Liga 1 GpA | PlayChess INT | 6.4 | Burhanudin Misini | Ruben Gideon Koellner | 1-0 | 30 | Open |
| 1721 | 2021-03-16 | Titled Tuesday 16th Mar | chess.com INT | 1 | Ruben Gideon Koellner | Read Samadov | 1-0 | 58 | Open |
| 1722 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Fruzsina Szente Varga | Ruben Gideon Koellner | 1-0 | 18 | Open |
| 1723 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Gerardo Antonio Gracia Alvarez | Ruben Gideon Koellner | 1-0 | 20 | Open |
| 1724 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Ildar F Idrisov | Ruben Gideon Koellner | 1-0 | 57 | Open |
| 1725 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Olga Artemyeva | Ruben Gideon Koellner | 1-0 | 23 | Open |
| 1726 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Fruzsina Szente Varga | 0-1 | 50 | Open |
| 1727 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Kirill Alekseenko | 0-1 | 38 | Open |
| 1728 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Steffen Klug | 1-0 | 33 | Open |
| 1729 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Kamran Shirazi | 0-1 | 41 | Open |
| 1730 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Ruben Gideon Koellner | Michal Tworuszka | 0-1 | 14 | Open |
| 1731 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Toms Kantans | Ruben Gideon Koellner | 1-0 | 46 | Open |
| 1732 | 2021-03-06 | Titled Arena Mar 6th 2021 | lichess.org INT | - | Ricardo D. D`Arruda | Ruben Gideon Koellner | 1-0 | 33 | Open |
| 1733 | 2021-03-05 | TCh-GER Online Liga 1 GpA | PlayChess INT | 5.4 | Ruben Gideon Koellner | Maximilian Heldt | 1-0 | 76 | Open |
| 1734 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 8 | Vlada Sviridova | Ruben Gideon Koellner | 0-1 | 24 | Open |
| 1735 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 7 | Ruben Gideon Koellner | Fiona Steil-Antoni | 0-1 | 54 | Open |
| 1736 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 6 | Dina Belenkaya | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 1737 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 5 | Ruben Gideon Koellner | Artem Legenia | 1-0 | 25 | Open |
| 1738 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 4 | Vladimir Zemerov | Ruben Gideon Koellner | 1-0 | 67 | Open |
| 1739 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 3 | Ruben Gideon Koellner | Vilka Sipila | 0-1 | 53 | Open |
| 1740 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 2 | Artem Koval | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 1741 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 1 | Ruben Gideon Koellner | Shamsiddin Vokhidov | 0-1 | 66 | Open |
| 1742 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 11 | Evgenij Shuvalov | Ruben Gideon Koellner | 1-0 | 69 | Open |
| 1743 | 2021-03-02 | Titled Tuesday 2nd Mar | chess.com INT | 10 | Ruben Gideon Koellner | Olga Matveeva | 1-0 | 62 | Open |
| 1744 | 2021-02-26 | TCh-GER Online Liga 1 GpA | PlayChess INT | 4.4 | Alexander Steinmueller | Ruben Gideon Koellner | 0-1 | 29 | Open |
| 1745 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 9 | Ruben Gideon Koellner | Paul-Cristian Rusan | 1-0 | 33 | Open |
| 1746 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 8 | Chukwunonso Oragwu | Ruben Gideon Koellner | 0-1 | 50 | Open |
| 1747 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 7 | Ruben Gideon Koellner | Umut Erdem Gunduz | 0-1 | 54 | Open |
| 1748 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 6 | Julian Estrada Nieto | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 1749 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 4 | Ruben Gideon Koellner | Ekaterina Kabanova | 1-0 | 30 | Open |
| 1750 | 2021-02-23 | Titled Tuesday 23rd Feb | chess.com INT | 2 | Ruben Gideon Koellner | Han Schut | 0-1 | 41 | Open |
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