Sosna, Jan has 734 games recorded in this archive, with direct access to game pages and PGN downloads. Sosna, Jan is currently 66 years old. Sosna, Jan represents CZE. Sosna, Jan holds the IM title. Sosna, Jan's current rating is 2283. Among active players, Sosna, Jan is ranked #4752 in the world and #127 in CZE. In practical play, frequent openings include Queen's Pawn Game, Ruy Lopez: Berlin Defence.
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