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Chess hobby

Charles enjoyed playing chess. As part of his therapy when he quit heroin, he met with psychiatrist Friedrich Hacker, who taught him how to play chess. He used a special board with raised squares and holes for the pieces. When questioned if people try to cheat against a blind man, he joked in reply, "You can't cheat in Chess... I'm gonna see that!" In a 1991 concert, he referred to Willie Nelson as "my chess partner". In 2002, he played and lost to the American grandmaster and former U.S. champion Larry Evans. When Evans complimented him for spotting a tactical trap he had set, Charles replied "Come on man, I play bad, but not that bad!"