Petrosian - Spassky World Championship Match 1966 - Chessentials

Petrosian - Spassky World Championship Match 1966. The first match between these two players which proved Petrosian is a "stupendous tactician".

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The Petrosian-Spassky World Championship Match (Moscow, 1966), with annotations by Tal, Boleslavsky, Bondarevsky, etc.

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World Chess Championship 1966 - Wikipedia

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GM Zenón Franco Ocampos. Partidas Memorables (99). Tigran Petrosian vs. Boris Spassky, Moscú m/10 1966. ABC Color Digital. Paraguay