Usatchev, Sergei has 139 games recorded in this archive, with direct access to game pages and PGN downloads. Usatchev, Sergei is currently 90 years old. Usatchev, Sergei represents RUS. Usatchev, Sergei's current rating is 1850. In practical play, frequent openings include King's Indian, Sicilian: Old Sicilian (Open).
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