Test your chess: Reitstein problem 156

White to play and win

Black has just played Qc4-Qc6

P Aalbersberg v HE Price 1977

Solution

In a game, not knowing there is a win, it would be easy to miss the win, but knowing it is a problem, and by examining all biffs, 1 Qd6+! is not too hard to find.

Then 1…Kc8?? drops the knight; 1…Ke8 the c7 pawn, and white commands the a file and 7th rank, so 1…Qd6[] 2 ed. Then 2…Nc6 3 Rc7+ and 4 Rf7 (or maybe 4 Bf4+ if 3…Kd6) so 2…Kd6 3 Bf4+ Kd7 4 Rc7+ 1-0.

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