IM Jan Sosna Full name Jan Sosna Born 1/1/1960 (age 64) Place of birth Federation Czech Republic Profiles #4483 World Ranking 2283 Classical 2325 Rapid 2425 Blitz Rating Bio Most Played Openings White Pieces Torre Attack: Fianchetto Defense (47 games) London System (23 games) Torre Attack (17 games) Indian Game: Tartakower Defense (13 games) Torre Attack: Classical Defense, Nimzowitsch Variation (12 games) Black Pieces Ruy López Opening: Berlin Defense (22 games) Slav Defense: Modern, Triangle System (16 games) Semi-Slav Defense: Main Line, Chigorin Defense (14 games) Ruy López Opening: Berlin, l'Hermet, Berlin Wall Defense (11 games) Queen's Gambit Declined: Semi-Slav Defense, Accelerated, Noteboom, Abrahams Variation (8 games) Games Players Result Moves Year Jan Sosna (2342) Martina Mareckova (2115) 1-0 71 2019 Jan Sosna (2342) Vladimir Belunek (2227) 1-0 38 2019 Jan Sosna (2342) Jakub Rabatin (2303) 1-0 35 2019 Jan Sosna (2342) Radomir Caletka (2305) ½-½ 37 2019 Jan Sosna (2327) Alois Lanc (2307) 1-0 35 2018 Jan Sosna (2331) Petr Mohapl (2035) 1-0 30 2018 Jan Sosna (2349) Julian Kersten (1979) 1-0 45 2018 Jan Sosna (2349) Kenji Hiebert (1969) 1-0 57 2018 Jan Sosna (2349) Petr Kapusta (2179) 1-0 40 2018 Jan Sosna (2351) Vlastimil Piza (2236) 1-0 49 2018 Show All Games