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 |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 8 | Nikola Djukic | Ruben Gideon Koellner | 1/2-1/2 | 85 | Open |
| 2002 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 7 | Ruben Gideon Koellner | Ryo Chen | 1-0 | 22 | Open |
| 2003 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 4 | Ruben Gideon Koellner | Alexander Timerkhanov | 0-1 | 34 | Open |
| 2004 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 3 | Etienne Bacrot | Ruben Gideon Koellner | 1-0 | 24 | Open |
| 2005 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 2 | Mihnea Costachi | Ruben Gideon Koellner | 0-1 | 61 | Open |
| 2006 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 1 | Ruben Gideon Koellner | Nikolay Ogloblin | 1-0 | 67 | Open |
| 2007 | 2020-08-11 | Titled Tue 11th Aug | chess.com INT | 10 | Ruben Gideon Koellner | Artyom Manukyan | 0-1 | 27 | Open |
| 2008 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 9 | Oleksandr Prokhorov | Ruben Gideon Koellner | 1-0 | 40 | Open |
| 2009 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 9 | Ruben Gideon Koellner | Chelsie Monica Ignesias Sihite | 0-1 | 53 | Open |
| 2010 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 8 | Ruben Gideon Koellner | Milton Pantzar | 0-1 | 37 | Open |
| 2011 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 7 | Ruben Gideon Koellner | Marcelo Villalba | 0-1 | 88 | Open |
| 2012 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 7 | Ruben Gideon Koellner | Omya Vidyarthi | 1/2-1/2 | 73 | Open |
| 2013 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 6 | Mihailo Djokic | Ruben Gideon Koellner | 1-0 | 29 | Open |
| 2014 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 6 | Aksithi Eswaran | Ruben Gideon Koellner | 0-1 | 80 | Open |
| 2015 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 5 | Ruben Gideon Koellner | Yovann Gatineau | 1-0 | 36 | Open |
| 2016 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 5 | Ruben Gideon Koellner | Adrian Musat | 1/2-1/2 | 47 | Open |
| 2017 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 4 | Kirk Ghazarian | Ruben Gideon Koellner | 1-0 | 43 | Open |
| 2018 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 4 | Maria Florencia Fernandez | Ruben Gideon Koellner | 1-0 | 52 | Open |
| 2019 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 3 | Ruben Gideon Koellner | Apolo De Souza Sa | 1-0 | 68 | Open |
| 2020 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 2 | Margarita Potapova | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 2021 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 1 | Ruben Gideon Koellner | Janak Awatramani | 0-1 | 32 | Open |
| 2022 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 1 | Alexandru-Vasile David | Ruben Gideon Koellner | 1-0 | 34 | Open |
| 2023 | 2020-08-04 | Titled Tue 4th Aug 10am | chess.com INT | 10 | Igor Da Paz Palacio | Ruben Gideon Koellner | 1-0 | 38 | Open |
| 2024 | 2020-08-04 | Titled Tue 4th Aug 2pm | chess.com INT | 10 | Ruben Gideon Koellner | Alvaro Donatti | 0-1 | 51 | Open |
| 2025 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 9 | Ruben Gideon Koellner | Sasa Vidovic | 1-0 | 42 | Open |
| 2026 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 8 | Ruben Gideon Koellner | Galina Mikheeva | 1-0 | 41 | Open |
| 2027 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 7 | Yudel Romero Arzuaga | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 2028 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 6 | Ruben Gideon Koellner | Michael Shahade | 1-0 | 29 | Open |
| 2029 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 5 | Ruben Gideon Koellner | Alexander Andres Hernandez Jimenez | 1-0 | 34 | Open |
| 2030 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 4 | Margarita Zvereva | Ruben Gideon Koellner | 1-0 | 56 | Open |
| 2031 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 3 | Ruben Gideon Koellner | Alberto Quintin Navarro | 0-1 | 27 | Open |
| 2032 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 2 | Viktor Skliarov | Ruben Gideon Koellner | 1/2-1/2 | 63 | Open |
| 2033 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 1 | Alexandr Triapishko | Ruben Gideon Koellner | 1-0 | 40 | Open |
| 2034 | 2020-07-21 | Titled Tuesday 21st July | chess.com INT | 10 | Viktor Dmitrenko | Ruben Gideon Koellner | 1-0 | 79 | Open |
| 2035 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 9 | Krikor Sevag Mekhitarian | Ruben Gideon Koellner | 1-0 | 70 | Open |
| 2036 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 8 | Ruben Gideon Koellner | Momchil Petkov | 0-1 | 64 | Open |
| 2037 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 7 | Rout Padmini | Ruben Gideon Koellner | 0-1 | 69 | Open |
| 2038 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 7 | Ruben Gideon Koellner | Kjell Petersson | 1-0 | 26 | Open |
| 2039 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 6 | Ruben Gideon Koellner | Arjun Kalyan | 0-1 | 36 | Open |
| 2040 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 6 | Onno Elgersma | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 2041 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 5 | Guillaume Lamard | Ruben Gideon Koellner | 0-1 | 63 | Open |
| 2042 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 5 | Mohota Swati | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 2043 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 4 | Marcelo Villalba | Ruben Gideon Koellner | 0-1 | 63 | Open |
| 2044 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 4 | Ruben Gideon Koellner | Ulrich Zenker | 1-0 | 36 | Open |
| 2045 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 2 | Ruben Gideon Koellner | Gahan M G | 1-0 | 27 | Open |
| 2046 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 1 | Benjamin Bujisho | Ruben Gideon Koellner | 1-0 | 22 | Open |
| 2047 | 2020-07-14 | 33rd Leon Blitz Open 2020 | chess.com INT | 1 | Anatoly Bykhovsky | Ruben Gideon Koellner | 1-0 | 51 | Open |
| 2048 | 2020-07-14 | Titled Tuesday 14th July | chess.com INT | 10 | Ruben Gideon Koellner | Orest Vovk | 0-1 | 56 | Open |
| 2049 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 9 | Ruben Gideon Koellner | Sofiia Hryzlova | 0-1 | 75 | Open |
| 2050 | 2020-07-07 | Titled Tuesday 7th July | chess.com INT | 8 | Myroslava Hrabinska | Ruben Gideon Koellner | 1-0 | 35 | Open |
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