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| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2024.10.13 | Koellner, Ruben Gideon (2499) vs (2542) Erdos, Viktor 1. BUNDESLIGA AUT 2024/2025 Indian East Indian |
1/2-1/2 | A48 | |
| 2024.10.12 | Hacker, Jonas (2370) vs (2499) Koellner, Ruben Gideon 1. BUNDESLIGA AUT 2024/2025 Queen's Gambit Declined - Classical (Fianchetto) |
1/2-1/2 | D37 | |
| 2024.10.11 | Koellner, Ruben Gideon (2499) vs (2572) Samunenkov, Ihor 1. BUNDESLIGA AUT 2024/2025 Queen's Pawn Zukertort - Krause |
1/2-1/2 | D02 | |
| 2024.10.10 | Naumann, Alexander (2469) vs (2499) Koellner, Ruben Gideon 1. BUNDESLIGA AUT 2024/2025 English Agincourt - Neo-Catalan Accepted |
1/2-1/2 | A13 | |
| 2024.10.09 | Koellner, Ruben Gideon (2499) vs (2427) Stalmach, Richard 1. BUNDESLIGA AUT 2024/2025 Indian - Trompowsky |
0-1 | A45 | |
| 2024.07.11 | Koellner, Ruben Gideon (2454) vs (2329) Schernthaner, David 43. St. Veit Open 2024 A-Turnier Indian Knight - London |
1-0 | A46 | |
| 2024.07.10 | Kuegel, Tobias (2416) vs (2454) Koellner, Ruben Gideon 43. St. Veit Open 2024 A-Turnier Giuoco Piano - Greco |
1/2-1/2 | C54 | |
| 2024.07.09 | Koellner, Ruben Gideon (2454) vs (2559) Bosiocic, Marin 43. St. Veit Open 2024 A-Turnier Queen's Pawn Zukertort - Symmetrical |
1-0 | D02 | |
| 2024.07.08 | Kulon, Klaudia (2379) vs (2454) Koellner, Ruben Gideon 43. St. Veit Open 2024 A-Turnier Giuoco Piano - Greco (Moller) |
0-1 | C54 | |
| 2024.07.07 | Koellner, Ruben Gideon (2454) vs (2161) Rempe, Jonas 43. St. Veit Open 2024 A-Turnier Indian - Trompowsky |
1-0 | A45 | |
| 2024.07.07 | Wegerer, Fred (2117) vs (2454) Koellner, Ruben Gideon 43. St. Veit Open 2024 A-Turnier Reti Zukertort |
0-1 | A06 | |
| 2024.07.06 | Koellner, Ruben Gideon (2454) vs (1975) Martinovic, David 43. St. Veit Open 2024 A-Turnier Slav - Classical Exchange |
1-0 | D10 | |
| 2024.07.21 | Koellner, Ruben Gideon (2454) vs (2403) Rogic, Davor 37. Sonnenterrassen Open 2024 Queen's Pawn Zukertort - London |
1-0 | D02 | |
| 2024.07.20 | Lerch, Johannes (2208) vs (2454) Koellner, Ruben Gideon 37. Sonnenterrassen Open 2024 Giuoco Piano - Greco |
1/2-1/2 | C54 | |
| 2024.07.19 | Koellner, Ruben Gideon (2454) vs (2244) Chassard, Cedric 37. Sonnenterrassen Open 2024 Indian Knight |
1-0 | A46 | |
| 2024.07.18 | Zelcic, Robert (2453) vs (2454) Koellner, Ruben Gideon 37. Sonnenterrassen Open 2024 Spanish Morphy - Moller |
0-1 | C78 | |
| 2024.07.17 | Koellner, Ruben Gideon (2454) vs (2376) Ostovic, Matija 37. Sonnenterrassen Open 2024 Indian - Trompowsky |
1-0 | A45 | |
| 2024.07.16 | Weishaeutel, Moritz (2398) vs (2454) Koellner, Ruben Gideon 37. Sonnenterrassen Open 2024 Queen's Gambit Declined |
0-1 | D37 | |
| 2024.07.15 | Koellner, Ruben Gideon (2454) vs (2318) Lavrencic, Matic 37. Sonnenterrassen Open 2024 Indian Knight |
1/2-1/2 | A46 | |
| 2024.07.14 | Kunz, Andre (2178) vs (2454) Koellner, Ruben Gideon 37. Sonnenterrassen Open 2024 |
0-1 | ||
| 2024.07.14 | Koellner, Ruben Gideon (2454) vs (2143) Tumur-Ochir, Duluu 37. Sonnenterrassen Open 2024 Queen's Pawn Closed - Symmetrical |
1-0 | D04 | |
| 2024.05.31 | Grzeca, Pascal (2100) vs (2439) Koellner, Ruben Gideon 14. Rheinland-Pfalz-Open Reti Symmetrical - Nimzovich |
0-1 | A05 | |
| 2024.05.30 | Koellner, Ruben Gideon (2439) vs (1941) Maerz, Maximilian 14. Rheinland-Pfalz-Open Old Benoni Pawn Thrust - Blockade |
1-0 | A44 | |
| 2024.05.30 | Hesch, Lukas (1804) vs (2439) Koellner, Ruben Gideon 14. Rheinland-Pfalz-Open Pirc |
0-1 | B07 | |
| 2023.08.28 | Koellner, Ruben Gideon (2428) vs (2397) Zanan, Evgeny 2023 World Rapid Team Championship Indian Knight |
1-0 | A46 | |
| 2023.08.28 | Koellner, Ruben Gideon (2428) vs (2426) Koch, Thomas 2023 World Rapid Team Championship Indian Knight - Torre (Nimzovich) |
1/2-1/2 | A46 | |
| 2023.08.28 | Svidler, Peter (2737) vs (2428) Koellner, Ruben Gideon 2023 World Rapid Team Championship Pirc |
1-0 | B07 | |
| 2023.08.28 | Rabiega, Robert (2468) vs (2428) Koellner, Ruben Gideon 2023 World Rapid Team Championship Pirc |
1/2-1/2 | B07 | |
| 2023.08.27 | Koellner, Ruben Gideon (2428) vs (2534) Short, Nigel D 2023 World Rapid Team Championship Queen's Pawn Closed |
0-1 | D05 | |
| 2023.08.27 | Bellahcene, Bilel (2524) vs (2428) Koellner, Ruben Gideon 2023 World Rapid Team Championship Pirc |
1-0 | B07 | |
| 2023.08.27 | Koellner, Ruben Gideon (2428) vs (2659) Van Foreest, Jorden 2023 World Rapid Team Championship Indian East Indian |
1/2-1/2 | A48 | |
| 2023.08.27 | Koellner, Ruben Gideon (2428) vs (2032) Magana, Ben 2023 World Rapid Team Championship Queen's Pawn Closed - Symmetrical |
1-0 | D04 | |
| 2023.08.26 | Martirosyan, Haik M. (2591) vs (2428) Koellner, Ruben Gideon 2023 World Rapid Team Championship Queen's Gambit Declined - Classical (Fianchetto) |
1-0 | D37 | |
| 2023.08.26 | Koellner, Ruben Gideon (2428) vs (2062) Perossa, Nicolas 2023 World Rapid Team Championship Modern |
1-0 | A41 | |
| 2023.08.26 | Grischuk, Alexander (2724) vs (2428) Koellner, Ruben Gideon 2023 World Rapid Team Championship Queen's Pawn Torre - Symmetrical |
1-0 | D03 | |
| 2023.08.26 | Miesen, Sander (2102) vs (2428) Koellner, Ruben Gideon 2023 World Rapid Team Championship Modern |
0-1 | A41 | |
| 2022.11.13 | Kristoferitsch, Daniel (2303) vs (2412) Koellner, Ruben Gideon 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee Old Indian Ukrainian (Two Knights) |
1/2-1/2 | A55 | |
| 2022.11.12 | Koellner, Ruben Gideon (2412) vs (2178) Bashirov, Kemal 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee Indian Knight |
1-0 | A46 | |
| 2022.11.11 | Goldbeck, Lars (2262) vs (2412) Koellner, Ruben Gideon 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee Queen's Gambit Declined - Exchange |
1/2-1/2 | D35 | |
| 2022.11.10 | Koellner, Ruben Gideon (2412) vs (2062) Seisenberger, Georg 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2022.11.09 | Nagel, Bernhard (2199) vs (2412) Koellner, Ruben Gideon 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee Reti Zukertort |
1/2-1/2 | A06 | |
| 2022.11.08 | Koellner, Ruben Gideon (2412) vs (2222) Lederle, Vitus 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee |
1/2-1/2 | ||
| 2022.11.07 | Demchenko, Anton (2643) vs (2412) Koellner, Ruben Gideon 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee |
1/2-1/2 | ||
| 2022.11.06 | Koellner, Ruben Gideon (2412) vs (2135) Duerr, Florian 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee Indian East Indian |
1-0 | A48 | |
| 2022.11.05 | Staeblein, Christoph (2089) vs (2412) Koellner, Ruben Gideon 25. Offene Internationale Bayerische Schachmeisterschaft Tegernsee Modern |
0-1 | A41 | |
| 2022.05.08 | Koellner, Ruben Gideon (2440) vs (2548) Dragnev, Valentin Mitropa Cup Open Section 2022 Indian Knight |
1/2-1/2 | A46 | |
| 2022.05.07 | Baenziger, Fabian (2429) vs (2440) Koellner, Ruben Gideon Mitropa Cup Open Section 2022 Queen's Gambit Declined |
1/2-1/2 | D37 | |
| 2022.05.06 | Koellner, Ruben Gideon (2440) vs (2597) Pechac, Jergus Mitropa Cup Open Section 2022 Queen's Pawn Zukertort - London |
1/2-1/2 | D02 | |
| 2022.05.04 | Erdos, Viktor (2604) vs (2440) Koellner, Ruben Gideon Mitropa Cup Open Section 2022 Pirc |
1-0 | B07 | |
| 2022.05.03 | Koellner, Ruben Gideon (2440) vs (2347) Piscopo, Pierluigi Mitropa Cup Open Section 2022 Tarrasch |
1-0 | D32 | |
| 2022.05.02 | Koellner, Ruben Gideon (2440) vs (2329) Kusa, Jakub Mitropa Cup Open Section 2022 Queen's Pawn Zukertort |
1/2-1/2 | D02 | |
| 2022.05.01 | Koellner, Ruben Gideon (2440) vs (2630) Moussard, Jules Mitropa Cup Open Section 2022 Indian East Indian |
0-1 | A48 | |
| 2022.04.30 | Moroni, Luca Jr (2584) vs (2440) Koellner, Ruben Gideon Mitropa Cup Open Section 2022 |
1-0 | ||
| 2022.03.20 | Moksh, Amit Doshi (2396) vs (2454) Koellner, Ruben Gideon Festival Primavera Cattolica Queen's Gambit Declined - Classical (Fianchetto) |
1-0 | D37 | |
| 2022.03.19 | Koellner, Ruben Gideon (2454) vs (2449) Enchev, Ivajlo Festival Primavera Cattolica Queen's Pawn - Mason (Steinitz) |
1/2-1/2 | D00 | |
| 2022.03.19 | Koukas, Anastasios (2040) vs (2454) Koellner, Ruben Gideon Festival Primavera Cattolica Pirc |
0-1 | B07 | |
| 2022.03.18 | Koellner, Ruben Gideon (2454) vs (2201) Kotyk, Michael Festival Primavera Cattolica Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2022.03.18 | Park, Evan (2293) vs (2454) Koellner, Ruben Gideon Festival Primavera Cattolica Pirc |
1-0 | B07 | |
| 2022.03.17 | Koellner, Ruben Gideon (2454) vs (2358) Begmuratov, Khumoyun Festival Primavera Cattolica Indian East Indian |
1/2-1/2 | A48 | |
| 2022.03.17 | Damia, Angelo (2223) vs (2454) Koellner, Ruben Gideon Festival Primavera Cattolica Pirc |
1/2-1/2 | B07 | |
| 2022.03.16 | Koellner, Ruben Gideon (2454) vs (2114) Gattafoni, Alessio Festival Primavera Cattolica Queen's Pawn - Mason |
1-0 | D00 | |
| 2021.12.30 | Koellner, Ruben Gideon (2428) vs (2501) Vetoshko, Volodymyr 1st Open BICA Pawn International Chess Tournament Indian East Indian |
1/2-1/2 | A48 | |
| 2021.12.29 | Koellner, Ruben Gideon (2428) vs (2599) Bernadskiy, Vitaliy 1st Open BICA Pawn International Chess Tournament Irregular Queen's Pawn - Franco-Indian |
1/2-1/2 | A40 | |
| 2021.12.28 | Abdisalimov, Abdimalik (2428) vs (2428) Koellner, Ruben Gideon 1st Open BICA Pawn International Chess Tournament Giuoco Piano - Greco |
0-1 | C54 | |
| 2021.12.27 | Koellner, Ruben Gideon (2428) vs (2566) Romanov, Evgeny 1st Open BICA Pawn International Chess Tournament Old Benoni |
1/2-1/2 | A43 | |
| 2021.12.26 | Koellner, Ruben Gideon (2428) vs (2046) Taher, Rami 1st Open BICA Pawn International Chess Tournament Modern |
1-0 | A41 | |
| 2021.12.25 | Sviridov, Valery (2562) vs (2428) Koellner, Ruben Gideon 1st Open BICA Pawn International Chess Tournament Queen's Pawn Closed - Semi-Colle |
1-0 | D04 | |
| 2021.12.25 | Koellner, Ruben Gideon (2428) vs (1933) Bashirinia, Omid 1st Open BICA Pawn International Chess Tournament Slav - Classical Exchange |
1-0 | D10 | |
| 2021.12.24 | Abdulrahim, Salem (1654) vs (2428) Koellner, Ruben Gideon 1st Open BICA Pawn International Chess Tournament Pirc - Jaenisch (Larobok) |
0-1 | C41 | |
| 2021.08.27 | Paichadze, Luka (2564) vs (2418) Koellner, Ruben Gideon European Individual Chess Championship 2021 - Reykjavik Open Pirc |
1-0 | B07 | |
| 2021.08.26 | Koellner, Ruben Gideon (2418) vs (1037) Sveinbjornsson, Gudmundur Orri European Individual Chess Championship 2021 - Reykjavik Open Indian - Trompowsky |
1-0 | A45 | |
| 2021.05.12 | Travadon, Loic (2404) vs (2412) Koellner, Ruben Gideon MITROPA ONLINE CUP 2021 Open Pirc |
1-0 | B07 | |
| 2021.05.11 | Koellner, Ruben Gideon (2412) vs (2540) Krejci, Jan MITROPA ONLINE CUP 2021 Open Queen's Pawn - Mason (Steinitz) |
0-1 | D00 | |
| 2021.05.10 | Sonis, Francesco (2491) vs (2412) Koellner, Ruben Gideon MITROPA ONLINE CUP 2021 Open Irregular Indian |
1-0 | E10 | |
| 2021.05.09 | Koellner, Ruben Gideon (2412) vs (2406) Sahidi, Samir MITROPA ONLINE CUP 2021 Open Giuoco Piano - Pianissimo |
0-1 | C54 | |
| 2021.05.08 | Spalir, Jernej (2389) vs (2412) Koellner, Ruben Gideon MITROPA ONLINE CUP 2021 Open Queen's Gambit Declined - Exchange |
1/2-1/2 | D35 | |
| 2021.05.07 | Koellner, Ruben Gideon (2412) vs (2518) Nagy, Gabor MITROPA ONLINE CUP 2021 Open Indian East Indian |
1/2-1/2 | A48 | |
| 2021.05.06 | Zelcic, Robert (2539) vs (2412) Koellner, Ruben Gideon MITROPA ONLINE CUP 2021 Open Pirc |
0-1 | B07 | |
| 2021.05.05 | Koellner, Ruben Gideon (2412) vs (2443) Schwabeneder, Florian MITROPA ONLINE CUP 2021 Open Giuoco Piano - Pianissimo |
1/2-1/2 | C54 | |
| 2021.05.04 | Koellner, Ruben Gideon (2412) vs (2394) Baenziger, Fabian MITROPA ONLINE CUP 2021 Open Sicilian Moscow |
1-0 | B52 | |
| 2020.02.25 | Koellner, Ruben Gideon (2370) vs (2301) Bethke, Richard 11. Pfalz-Open 2020 Queen's Pawn - Mason |
1-0 | D00 | |
| 2020.02.25 | Becker, Dirk (2258) vs (2370) Koellner, Ruben Gideon 11. Pfalz-Open 2020 Anderssen's opening |
0-1 | A00 | |
| 2020.02.24 | Koellner, Ruben Gideon (2370) vs (2141) Henrich, Thomas 11. Pfalz-Open 2020 Irregular Queen's Pawn - Kotov |
1-0 | A40 | |
| 2020.02.24 | Boehm, Martin (2135) vs (2370) Koellner, Ruben Gideon 11. Pfalz-Open 2020 English Agincourt - Neo-Catalan Accepted |
1/2-1/2 | A13 | |
| 2020.02.23 | Koellner, Ruben Gideon (2370) vs (2196) Feldmann, Johannes 11. Pfalz-Open 2020 Irregular Queen's Pawn - Franco-Indian |
0-1 | A40 | |
| 2020.02.23 | Baltic, Fatih (2215) vs (2370) Koellner, Ruben Gideon 11. Pfalz-Open 2020 Reti Symmetrical - King's Indian |
1/2-1/2 | A05 | |
| 2020.02.22 | Koellner, Ruben Gideon (2370) vs (2208) Mueer, Sebastian 11. Pfalz-Open 2020 Indian East Indian |
1/2-1/2 | A48 | |
| 2020.02.22 | Wiechert, Hans (2175) vs (2370) Koellner, Ruben Gideon 11. Pfalz-Open 2020 Queen's Gambit Declined |
0-1 | D30 | |
| 2020.02.21 | Koellner, Ruben Gideon (2370) vs (2062) Herm, Marcel 11. Pfalz-Open 2020 Queen's Pawn - Mason |
1-0 | D00 | |
| 2019.11.03 | WGM Padmini, Rout (2394) vs (2265) Koellner, Ruben Gideon 23. Offene Internationale Bayerische Meisterschaft Tegernsee Reti Symmetrical - King's Indian |
1-0 | A05 | |
| 2019.11.02 | Koellner, Ruben Gideon (2265) vs (2569) Peralta, Fernando 23. Offene Internationale Bayerische Meisterschaft Tegernsee Queen's Pawn - Mason (Steinitz) |
0-1 | D00 | |
| 2019.11.01 | Koellner, Ruben Gideon (2265) vs (2480) Yankelevich, Lev 23. Offene Internationale Bayerische Meisterschaft Tegernsee Old Benoni - Indian |
1-0 | A43 | |
| 2019.10.31 | Aggarwal, Vansh (1901) vs (2265) Koellner, Ruben Gideon 23. Offene Internationale Bayerische Meisterschaft Tegernsee Pirc |
0-1 | B07 | |
| 2019.10.27 | Nasuta, Grzegorz (2534) vs (2265) Koellner, Ruben Gideon 23. Offene Internationale Bayerische Meisterschaft Tegernsee Pirc |
1-0 | B07 | |
| 2019.06.23 | Lenaerts, Lennert (2364) vs (2299) Koellner, Ruben Gideon 11. Rheinland-Pfalz-Open Neo-Indian - Exchange |
0-1 | D35 | |
| 2019.06.22 | Koellner, Ruben Gideon (2299) vs (2370) Muckle, Julius 11. Rheinland-Pfalz-Open Slav - Classical Exchange |
0-1 | D10 | |
| 2019.06.21 | Boder, Jan (2123) vs (2299) Koellner, Ruben Gideon 11. Rheinland-Pfalz-Open Nimzovich - Modern |
0-1 | A01 | |
| 2019.06.21 | Koellner, Ruben Gideon (2299) vs (2064) Schulte, Juergen 11. Rheinland-Pfalz-Open Queen's Pawn - Mason (Steinitz) |
1-0 | D00 | |
| 2019.06.20 | Mueller, Peter (1956) vs (2299) Koellner, Ruben Gideon 11. Rheinland-Pfalz-Open Pirc |
0-1 | B07 | |
| 2019.06.20 | Koellner, Ruben Gideon (2299) vs (1774) Santos-Mueller, Jonathan Neo 11. Rheinland-Pfalz-Open Indian - Trompowsky |
1-0 | A45 | |
| 2018.06.03 | Koellner, Ruben Gideon (2204) vs (2368) Boidman, Yuri 10. Rheinland-Pfalz-Open Slav - Classical Exchange |
1/2-1/2 | D10 | |
| 2018.06.02 | Schoen, Ralf (2085) vs (2204) Koellner, Ruben Gideon 10. Rheinland-Pfalz-Open English Closed Sicilian - Carls |
0-1 | A25 | |
| 2018.06.02 | Koellner, Ruben Gideon (2204) vs (1942) Hauer, Andreas 10. Rheinland-Pfalz-Open Queen's Pawn - Mason (Steinitz) |
1-0 | D00 | |
| 2018.06.01 | Waffenschmidt, Joachim (1995) vs (2204) Koellner, Ruben Gideon 10. Rheinland-Pfalz-Open Modern |
1-0 | A41 | |
| 2018.06.01 | Koellner, Ruben Gideon (2204) vs (1998) Begri, Felix 10. Rheinland-Pfalz-Open Indian - Trompowsky (Borg) |
1-0 | A45 | |
| 2018.05.31 | Roerig, Gerhard (1916) vs (2204) Koellner, Ruben Gideon 10. Rheinland-Pfalz-Open Reti - Wade |
0-1 | A04 | |
| 2018.05.31 | Koellner, Ruben Gideon (2204) vs (1712) Mueller, Michael 10. Rheinland-Pfalz-Open Indian - Trompowsky |
1-0 | A45 | |
| 2017.02.25 | Fridman, Daniel (2594) vs (2165) Koellner, Ruben Gideon 8. Pfalz-Open 2017 Modern |
1-0 | A41 | |
| 2017.02.25 | Koellner, Ruben Gideon (2165) vs (2429) Noe, Christopher 8. Pfalz-Open 2017 Queen's Pawn Closed - Semi-Colle |
1/2-1/2 | D04 | |
| 2015.09.30 | Koellner, Ruben Gideon (1911) vs (1734) Khachatryan, Samvel S. m12 Indian Knight - Rubinstein |
1/2-1/2 | A46 | |
| 2015.09.29 | Nesterov, Arseniy (2132) vs (1911) Koellner, Ruben Gideon m12 Philidor - Exchange |
1-0 | C41 | |
| 2015.09.28 | Koellner, Ruben Gideon (1911) vs (1696) Lovric, Dino m12 Dutch - Raphael |
1-0 | A80 | |
| 2015.09.27 | Bolognese, Leonardo (1587) vs (1911) Koellner, Ruben Gideon m12 Bogo-Indian |
0-1 | E11 | |
| 2015.09.25 | Koellner, Ruben Gideon (1911) vs (1708) Zhanazarov, Iskander m12 Dutch |
0-1 | A80 | |
| 2015.09.24 | Colonetti, Fabio (1712) vs (1911) Koellner, Ruben Gideon m12 Philidor - Exchange |
0-1 | C41 | |
| 2015.09.23 | Koellner, Ruben Gideon (1911) vs (1704) Petrosyan, Sahak m12 Queen's Pawn Closed - Colle |
0-1 | D05 | |
| 2015.09.22 | Haidinger, Erik (1573) vs (1911) Koellner, Ruben Gideon m12 Pirc |
0-1 | B07 | |
| 2015.09.21 | Koellner, Ruben Gideon (1911) vs (1438) Marchesich, Giovanni m12 Queen's Pawn Closed - Zukertort |
0-1 | D05 |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2025.06.24 | Graif,William (2211) vs (2503) Koellner,Ruben Gideon Titled Tue 24th Jun Late Pirc |
1-0 | B07 | |
| 2025.06.24 | Koellner,Ruben Gideon (2503) vs (2233) Gubajdullin,A Titled Tue 24th Jun Late Indian East Indian |
1-0 | A48 | |
| 2025.06.24 | Hartge,Gedeon (2328) vs (2503) Koellner,Ruben Gideon Titled Tue 24th Jun Late Pirc |
0-1 | B07 | |
| 2025.06.01 | Halvax,G (2440) vs (2503) Koellner,Ruben Gideon TCh-AUT Rapid 2025 Reti Symmetrical |
1/2-1/2 | A05 | |
| 2025.06.01 | Koellner,Ruben Gideon (2503) vs (2542) Erdos,V TCh-AUT Rapid 2025 Queen's Pawn Zukertort - Krause |
0-1 | D02 | |
| 2025.06.01 | Injac,Teodora (2474) vs (2503) Koellner,Ruben Gideon TCh-AUT Rapid 2025 Modern |
0-1 | A41 | |
| 2025.06.01 | Koellner,Ruben Gideon (2503) vs (2620) Santos Latasa,J TCh-AUT Rapid 2025 Indian Knight |
0-1 | A46 | |
| 2025.05.31 | Rodshtein,M (2645) vs (2503) Koellner,Ruben Gideon TCh-AUT Blitz 2025 Reti Symmetrical - King's Indian |
0-1 | A05 | |
| 2025.05.31 | Koellner,Ruben Gideon (2503) vs (2542) Erdos,V TCh-AUT Blitz 2025 Queen's Pawn Zukertort - Krause |
1/2-1/2 | D02 | |
| 2025.05.31 | Blohberger,Felix (2510) vs (2503) Koellner,Ruben Gideon TCh-AUT Blitz 2025 Modern |
0-1 | A41 | |
| 2025.05.31 | Iturrizaga Bonelli,Eduardo (2578) vs (2503) Koellner,Ruben Gideon TCh-AUT Blitz 2025 English |
1/2-1/2 | A10 | |
| 2025.05.30 | Teclaf,Pawel (2555) vs (2503) Koellner,Ruben Gideon Grand Prix PlusCity Rapid Reti - Wade |
1-0 | A04 | |
| 2025.05.30 | Sarana,A (2686) vs (2503) Koellner,Ruben Gideon Grand Prix PlusCity Rapid Old Indian Ukrainian (Two Knights) |
1-0 | A55 | |
| 2025.05.30 | Koellner,Ruben Gideon (2503) vs (2645) Rodshtein,M Grand Prix PlusCity Rapid Indian Knight |
1-0 | A46 | |
| 2025.05.30 | Koellner,Ruben Gideon (2503) vs (2578) Shimanov,A Grand Prix PlusCity Rapid Queen's Pawn Closed - Symmetrical |
1/2-1/2 | D04 | |
| 2025.05.30 | Hansen,Eric (2609) vs (2503) Koellner,Ruben Gideon Grand Prix PlusCity Rapid Queen's Pawn Zukertort - London |
0-1 | D02 | |
| 2025.05.29 | Meier,Geo (2596) vs (2503) Koellner,Ruben Gideon Grand Prix PlusCity Blitz Reti King's Indian |
1-0 | A07 | |
| 2025.05.29 | Koellner,Ruben Gideon (2503) vs (2506) Kozul,Z Grand Prix PlusCity Blitz Indian East Indian |
1/2-1/2 | A48 | |
| 2025.05.29 | Koellner,Ruben Gideon (2503) vs (2563) Petrov,N Grand Prix PlusCity Blitz Queen's Pawn Closed |
0-1 | D04 | |
| 2025.05.29 | Short,N (2587) vs (2503) Koellner,Ruben Gideon Grand Prix PlusCity Blitz Pirc |
0-1 | B07 | |
| 2025.05.27 | Koellner,Ruben Gideon (2503) vs (2286) Nayak,Rajesh Titled Tue 27th May Late Indian East Indian |
1-0 | A48 | |
| 2025.06.17 | Koellner,Ruben Gideon (2503) vs (2235) Oksendal,Martin Titled Tue 17th Jun Late Queen's Pawn Closed - Symmetrical |
0-1 | D04 | |
| 2025.06.17 | Pranav,V (2595) vs (2503) Koellner,Ruben Gideon Titled Tue 17th Jun Late Pirc |
1-0 | B07 | |
| 2025.06.17 | Rao,Anjaneya Sripathy (2217) vs (2503) Koellner,Ruben Gideon Titled Tue 17th Jun Late Pirc |
0-1 | B07 | |
| 2025.06.17 | Koellner,Ruben Gideon (2503) vs (2300) Fathy,E Titled Tue 17th Jun Late Queen's Pawn Closed - Symmetrical |
1-0 | D04 | |
| 2025.04.29 | Koellner,Ruben Gideon (2499) vs (2220) Ceyhan,Mert Titled Tue 29th Apr Late Queen's Pawn Closed - Symmetrical |
0-1 | D04 | |
| 2025.04.29 | Howell,D (2668) vs (2499) Koellner,Ruben Gideon Titled Tue 29th Apr Late Modern |
1-0 | A41 | |
| 2025.04.29 | Koellner,Ruben Gideon (2499) vs (2178) Danila,Tudor-Gabriel Titled Tue 29th Apr Late Indian Knight |
1-0 | A46 | |
| 2025.04.29 | Gogolev,A (2241) vs (2499) Koellner,Ruben Gideon Titled Tue 29th Apr Late Modern |
0-1 | A41 | |
| 2025.04.29 | Salman,Ilhan Serhat (2092) vs (2499) Koellner,Ruben Gideon Titled Tue 29th Apr Late Nimzovich - Modern |
1/2-1/2 | A01 | |
| 2025.04.29 | Koellner,Ruben Gideon (2499) vs (2469) Yeletsky,Ivan Titled Tue 29th Apr Late Queen's Pawn Zukertort |
0-1 | D02 | |
| 2025.04.29 | Kocharin,Timur (2263) vs (2499) Koellner,Ruben Gideon Titled Tue 29th Apr Late Pirc |
0-1 | B07 | |
| 2025.04.29 | Koellner,Ruben Gideon (2499) vs (2587) Moussard,J Titled Tue 29th Apr Late Indian East Indian |
0-1 | A48 | |
| 2025.04.29 | Koellner,Ruben Gideon (2499) vs (2047) Da Matta,Eduardo Cesar Titled Tue 29th Apr Late Queen's Pawn Closed - Symmetrical |
1-0 | D05 | |
| 2025.04.29 | Li,Hui (2055) vs (2499) Koellner,Ruben Gideon Titled Tue 29th Apr Late Pirc |
0-1 | B07 | |
| 2025.01.07 | Koellner,Ruben Gideon (2484) vs (2337) Ibadov,Dashgyn Titled Tue 7th Jan Late Queen's Pawn Zukertort - Symmetrical |
1/2-1/2 | D02 | |
| 2025.01.07 | Slaby,Je (2464) vs (2484) Koellner,Ruben Gideon Titled Tue 7th Jan Late Pirc |
1/2-1/2 | B07 | |
| 2025.01.07 | Koellner,Ruben Gideon (2484) vs (2030) Ziatdinov,R Titled Tue 7th Jan Late Indian Knight |
0-1 | A46 | |
| 2025.01.07 | Karamsetty,J (2244) vs (2484) Koellner,Ruben Gideon Titled Tue 7th Jan Late Pirc |
0-1 | B07 | |
| 2025.01.07 | Koellner,Ruben Gideon (2484) vs (2751) Wei Yi Titled Tue 7th Jan Late Irregular Queen's Pawn - Nimzovich |
0-1 | A40 | |
| 2025.01.07 | Koellner,Ruben Gideon (2484) vs (2316) Domingo Nunez,Alejandro Titled Tue 7th Jan Late Irregular Queen's Pawn - Kotov |
1-0 | A40 | |
| 2025.03.18 | Koellner,Ruben Gideon (2495) vs (2777) Erigaisi,Arjun Titled Tue 18th Mar Late Irregular Queen's Pawn - Franco-Indian |
0-1 | A40 | |
| 2025.03.18 | Koellner,Ruben Gideon (2495) vs (2288) George,Kevin Titled Tue 18th Mar Late Indian Knight |
1-0 | A46 | |
| 2024.10.08 | Koellner,Ruben Gideon (2480) vs (1987) Molina Sumoza,Jesus Alberto Titled Tue 8th Oct Late Queen's Pawn Closed - Symmetrical |
1/2-1/2 | D04 | |
| 2025.01.07 | Tustanowski,R (2220) vs (2484) Koellner,Ruben Gideon Titled Tue 7th Jan Late Pirc |
1/2-1/2 | B07 | |
| 2025.03.18 | Sarana,A (2689) vs (2495) Koellner,Ruben Gideon Titled Tue 18th Mar Late Modern |
1-0 | A41 | |
| 2024.10.08 | Yeganegi,Barad (2347) vs (2480) Koellner,Ruben Gideon Titled Tue 8th Oct Early Modern |
0-1 | A41 | |
| 2025.01.07 | Koellner,Ruben Gideon (2484) vs (2183) Tikhonov,Viacheslav Titled Tue 7th Jan Late Indian East Indian |
1-0 | A48 | |
| 2025.03.18 | Koellner,Ruben Gideon (2495) vs (2334) Badacsonyi,Stanley Titled Tue 18th Mar Late Indian East Indian |
1-0 | A48 | |
| 2024.10.08 | Koellner,Ruben Gideon (2480) vs (2796) Caruana,F Titled Tue 8th Oct Early Indian Knight |
0-1 | A46 | |
| 2025.03.18 | Ashraf,Artin (2407) vs (2495) Koellner,Ruben Gideon Titled Tue 18th Mar Late Modern |
1-0 | A41 | |
| 2025.01.07 | Sarana,A (2677) vs (2484) Koellner,Ruben Gideon Titled Tue 7th Jan Late Modern |
1-0 | A41 | |
| 2025.02.25 | Koellner,Ruben Gideon (2486) vs (2692) Deac,Bogdan-Daniel Titled Tue 25th Feb Early Queen's Pawn Closed - Symmetrical |
1-0 | D04 | |
| 2025.03.18 | Rueda Rojas,Richard Alejandro (1965) vs (2495) Koellner,Ruben Gideon Titled Tue 18th Mar Late Modern |
0-1 | A41 | |
| 2025.03.18 | Koellner,Ruben Gideon (2495) vs (2340) Hadzovic,A Titled Tue 18th Mar Late Modern |
1-0 | A41 | |
| 2024.10.08 | Xu,Yi (2496) vs (2480) Koellner,Ruben Gideon Titled Tue 8th Oct Early Pirc |
1/2-1/2 | B07 | |
| 2025.01.07 | Dumanuly,Sultanbeibarys (2252) vs (2484) Koellner,Ruben Gideon Titled Tue 7th Jan Late Pirc |
0-1 | B07 | |
| 2025.03.18 | Koellner,Ruben Gideon (2495) vs (2536) Woodward,Andy Titled Tue 18th Mar Late Irregular Queen's Pawn - Kotov |
0-1 | A40 | |
| 2024.10.01 | Koellner,Ruben Gideon (2481) vs (2394) Mahdavi,Reza Titled Tue 1st Oct Late Indian East Indian |
0-1 | A48 | |
| 2024.10.08 | Gabdushev,R (2256) vs (2480) Koellner,Ruben Gideon Titled Tue 8th Oct Early Modern |
0-1 | A41 | |
| 2024.10.01 | Santos Latasa,J (2624) vs (2481) Koellner,Ruben Gideon Titled Tue 1st Oct Late Reti - Wade |
0-1 | A04 | |
| 2025.01.07 | Koellner,Ruben Gideon (2484) vs (1975) Xia,Joshua Titled Tue 7th Jan Late Indian East Indian |
1-0 | A48 | |
| 2025.03.18 | Karvatskyi,Oleksii (2114) vs (2495) Koellner,Ruben Gideon Titled Tue 18th Mar Late Dunst (Sleipner, Heinrichsen) opening |
0-1 | A00 | |
| 2025.02.25 | Budrewicz,K (2185) vs (2486) Koellner,Ruben Gideon Titled Tue 25th Feb Early Reti - Wade |
0-1 | A04 | |
| 2024.10.01 | Koellner,Ruben Gideon (2481) vs (2533) Grigoriants,S RUS Titled Tue 1st Oct Late Queen's Pawn Closed |
1/2-1/2 | D04 | |
| 2025.03.18 | Koellner,Ruben Gideon (2495) vs (2227) Asensio Ramos,E Titled Tue 18th Mar Late Queen's Pawn Zukertort |
1-0 | D02 | |
| 2024.10.01 | Haug,Havard (2319) vs (2481) Koellner,Ruben Gideon Titled Tue 1st Oct Late Pirc |
0-1 | B07 | |
| 2024.10.08 | Koellner,Ruben Gideon (2480) vs (2309) Bogdanov,Artyom Titled Tue 8th Oct Early Indian Capablanca |
1-0 | A47 | |
| 2024.10.08 | Koellner,Aaron Noah (2105) vs (1894) Toth,Lili Titled Tue 8th Oct Early Queen's Pawn Closed |
1-0 | D04 | |
| 2024.10.08 | Aloma Vidal,R (2398) vs (2480) Koellner,Ruben Gideon Titled Tue 8th Oct Early Anti-Borg (Desprez) opening |
0-1 | A00 | |
| 2024.10.08 | Shaik,Sumer Arsh (2317) vs (2105) Koellner,Aaron Noah Titled Tue 8th Oct Early Queen's Indian Capablanca - Riumin |
1-0 | E16 | |
| 2024.10.01 | Harsha,B (2550) vs (2481) Koellner,Ruben Gideon Titled Tue 1st Oct Late Reti - Wade |
1-0 | A04 | |
| 2025.02.25 | Koellner,Ruben Gideon (2486) vs (2247) Gales,Randi-Ioan Titled Tue 25th Feb Early Queen's Pawn Closed |
1-0 | D04 | |
| 2025.02.25 | Ternault,M (2294) vs (2486) Koellner,Ruben Gideon Titled Tue 25th Feb Early Modern |
1-0 | A41 | |
| 2025.03.18 | Redzisz,Michal (2234) vs (2495) Koellner,Ruben Gideon Titled Tue 18th Mar Late Modern |
0-1 | A41 | |
| 2024.10.01 | Koellner,Ruben Gideon (2481) vs (2490) Troff,Kayden Titled Tue 1st Oct Late Indian East Indian |
1-0 | A48 | |
| 2024.10.08 | Koellner,Aaron Noah (2105) vs (2024) Shubenkova,Veronika Titled Tue 8th Oct Early Queen's Pawn Zukertort |
0-1 | D02 | |
| 2025.02.25 | Koellner,Ruben Gideon (2486) vs (2631) Salem,AR Titled Tue 25th Feb Early Indian East Indian |
0-1 | A48 | |
| 2024.10.01 | Koellner,Ruben Gideon (2481) vs (2550) Makarian,Rudik Titled Tue 1st Oct Late Indian Knight - Spielmann |
1-0 | A46 | |
| 2024.10.08 | Pranav,Anand (2539) vs (2480) Koellner,Ruben Gideon Titled Tue 8th Oct Early Modern |
1-0 | A41 | |
| 2024.10.01 | Elier,Ali (2160) vs (2481) Koellner,Ruben Gideon Titled Tue 1st Oct Late Pirc |
0-1 | B07 | |
| 2024.10.01 | Reprintsev,A (2230) vs (2101) Koellner,Aaron Noah Titled Tue 1st Oct Late Sicilian - Snyder (Queen's Fianchetto) |
1-0 | B20 | |
| 2024.10.08 | Koellner,Ruben Gideon (2480) vs (2646) Xiong,Jeffery Titled Tue 8th Oct Early Queen's Pawn Closed - Symmetrical |
1/2-1/2 | D04 | |
| 2024.10.01 | Koellner,Ruben Gideon (2481) vs (2319) Zielonka,Adam Titled Tue 1st Oct Late Indian Knight |
1-0 | A46 | |
| 2024.10.01 | Burke,Paul vs (2101) Koellner,Aaron Noah Titled Tue 1st Oct Late Sicilian Center Game - Smith-Morra |
0-1 | B21 | |
| 2024.10.08 | Bhagwat,V (2002) vs (2105) Koellner,Aaron Noah Titled Tue 8th Oct Early Nimzo-Indian Saemisch |
0-1 | E28 | |
| 2025.02.25 | Koellner,Ruben Gideon (2486) vs (2336) Slugin,S Titled Tue 25th Feb Early Indian East Indian |
1-0 | A48 | |
| 2025.02.25 | Esipenko,Andrey (2695) vs (2486) Koellner,Ruben Gideon Titled Tue 25th Feb Early Pirc |
1-0 | B07 | |
| 2024.10.01 | Pan,Kevin (2333) vs (2481) Koellner,Ruben Gideon Titled Tue 1st Oct Late Pirc |
0-1 | B07 | |
| 2024.10.01 | Koellner,Aaron Noah (2101) vs (2239) Yagupov,I Titled Tue 1st Oct Late Queen's Pawn Closed - Symmetrical |
0-1 | D04 | |
| 2024.10.01 | Koellner,Ruben Gideon (2481) vs (2155) Pang,Qi Titled Tue 1st Oct Late Queen's Pawn Closed - Symmetrical |
0-1 | D05 | |
| 2024.10.08 | Koellner,Ruben Gideon (2480) vs (2260) Garrido Diaz,Jose Antonio Titled Tue 8th Oct Early Queen's Pawn Closed - Symmetrical |
1-0 | D05 | |
| 2024.10.08 | Koellner,Aaron Noah (2105) vs (2247) Hamidov,Allahverdi Titled Tue 8th Oct Early Indian Knight |
0-1 | A46 | |
| 2024.10.08 | Bilous,Mykhailo (2423) vs (2105) Koellner,Aaron Noah Titled Tue 8th Oct Early Nimzo-Indian Saemisch |
1-0 | E24 | |
| 2025.03.11 | Toktomushev,Teimur (2407) vs (2139) Koellner,Aaron Noah Titled Tue 11th Mar Late Slav |
1-0 | D10 | |
| 2024.10.01 | Koellner,Ruben Gideon (2481) vs (2448) Mamedov,Edgar Titled Tue 1st Oct Early Indian East Indian |
0-1 | A48 | |
| 2024.10.08 | Teterev,V (2257) vs (2480) Koellner,Ruben Gideon Titled Tue 8th Oct Early Pirc |
0-1 | B07 | |
| 2025.03.11 | Koellner,Aaron Noah (2139) vs (2233) Manukyan,SaA Titled Tue 11th Mar Late Queen's Pawn Closed - Symmetrical |
0-1 | D05 | |
| 2024.10.08 | Koellner,Ruben Gideon (2480) vs (2147) Vingris,Mikelis Titled Tue 8th Oct Early Indian East Indian |
1-0 | A48 | |
| 2024.10.01 | Mazurkiewicz,M (2224) vs (2481) Koellner,Ruben Gideon Titled Tue 1st Oct Early Pirc |
0-1 | B07 |
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