The Real-Life Chess Game That Inspired ‘Sherlock Holmes: A Game of Shadows’

A move-by-move guide

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Guy Ritchie’s Sherlock Holmes movies don’t get the credit they’re due. Especially A Game of Shadows. The latter of the two films had the gall to end, not on a CGI battle, but on a chess match. Not just any chess match, mind you, but the game Sherlock and Moriarty play is a variation of a famous (in chess circles anyway) game played in 1966.

The game in question was played between Grandmaster Bent Larsen and then-World Chess Champion Tigran Petrosian, at the Second Piatigorsky Cup in Santa Monica. This game is most well-known for the moment, on move 25, when Larsen sacrificed his queen to Petrosian.

Not to put his opponent’s king in check.

Not to capture some valuable enemy piece.

But to capture a pawn. One pawn. That’s it.

However, the point of the sacrifice wasn’t the immediate benefit. Making the hard choice to give up his queen gave Larsen the opening that he needed to win the larger game. In fact, if both players…