In Manhattan, Dr. Ervand George Kogbetliantz, 63, a mathematics professor, announced plans for a course at the New School for Social Research. The subject: three-dimensional chess. The game is played on eight glass boards arranged in stories (see NEWS IN PICTURES) ; the chess pieces move through 512 cubes. To retain the mathematical opportunity for a checkmate provided by the 64 squares in ordinary chess, Kogbetliantz has added new pieces. The resulting line-up on each side: a king, a queen, two "archbishops" and 40 pawns, which may move through three dimensions; four...
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