I Play Against Pieces -

: He believed in playing what he believed was objectively best, rather than altering his strategy based on an opponent's perceived weaknesses. I Play Against Pieces (Batsford Chess Book) - Amazon.com

is the title of the acclaimed collection of best games by Serbian Grandmaster Svetozar Gligorić . Beyond being a book title, the phrase encapsulates Gligorić's core chess philosophy: a commitment to objective, principled play that disregards the psychological profile of the opponent. The Philosophy I Play Against Pieces

The phrase "I play against pieces" (or "It's chess pieces, not a man I play against") reflects a to the game. : He believed in playing what he believed