CB
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American chess player
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Male
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The details
Biography
Calvin Barry Blocker (born 1955 in Cleveland, Ohio) is an International Master of chess. He is the Ohio state record holder for simultaneous games, having amassed 110 wins and 6 draws in a single exhibition, and has won numerous Ohio Chess Championships, as well as the Cleveland Open in 2000 and 2002. Well known as a coach, he has taught several high profile chess players, including Marc Esserman.