Black to Play
Published in Chess Puzzles
![](https://resources.arcamax.com/newspics/cache/w320h320/227/22739/2273992.jpg)
Capablanca reached this position against Van den Bosch at Budapest in 1929. He played one move, and White resigned! What move was that?
This is a quite remarkable position. The perfect zugzwang! Capa would win by one move after this sequence: 1...Qe1! 2.g3 Qe7+ 3.Ka5 Qa3#; 2.Ka3 Qa1+ 3.Qa2 Qxa2+ 4.Kxa2 h4 5.Kb2 g5 6.fxg5 fxg5 7.Kc2 g4 8.fxg4 fxg4 9.Kd2 h3 10.gxh3 gxh3 11.Ke2 h2 12.Kf2 h1=Q BTW, if 2. Qa2 Qe7+ 3.Ka5 Qa7+ 4.Kb4 Qxa2 wins. That first queen move was the only winning move.
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