Sport: Surprise & Confusion

Chess is the sort of game that mathematicians consider their own particular pumpkin pie. Many are the learned cybernetics treatises arguing that the world's best chess player may one day be a computing machine instead of a human (indeed, International Business Machines is even now perfecting a chess-playing computer). But in Moscow last week, there seemed dramatic evidence that chess is at least as much psychological as logical—and that the machine is unlikely to triumph over the mind.

In the midst of a tense, 24-game match for the world's chess championship were Mikhail Botvinnik, 48, who has held the title since 1948...

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