Anti-computer tactics

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Anti-computer tactics are a style of play used by humans to beat strong computer opponents at various games, especially in board games such as chess. It involves playing conservatively for a long-term advantage the computer is not able to see in its game tree search. This will frequently involve selecting moves that are believed to be sub-optimal in order to exploit known weaknesses in the way computer players evaluate positions.

One particular example of the use of anti-computer tactics was Brains in Bahrain, an eight-game chess match between human chess grandmaster Vladimir Kramnik and the computer program Deep Fritz 7, held in October 2002. The match ended in a tie 4-4, with two wins for each participant and four draws.