The soviet digital teacher is back! This time he will teach you chess through memorable matches from the early USSR Chess Championships (1920s, and 30s)Features:Learn the theory behind historical matches played by mastersFind out why chess pros chose the moves they didPlay hypothetical outcomes to understand why the losing player resigned150+ "best-move" type puzzles from famous matchesMemorable matches organized by chess Masters in 16 chaptersHave fun with BOT.vinnik's peculiar sense of humor!