Historical riddle: Was Fischer's 22.Nxd7 winning?

One of the most amazing moves in Bobby Fischer’s rich career was 22.Nxd7+ in the seventh game of the Candidates final match against Tigran Petrosian. Endgame specialist Karsten Müller wonders whether the move was objectively the best in the position or if an alternative pawn push might have been a better try. You can help him solve the historical riddle!

Bobby Fischer Miscellanea by Edward Winter

The Fish That Roared

Solution of the endgame riddle: Was Fischer's 22.Nxd7 winning?

Bobby Fischer Miscellanea by Edward Winter

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