It’s Your Move: daily chess puzzle # 102

White to play and win

Black, in order to avoid the Nf5+ fork, discovering a (double) attack on the Qe7, played …Kf8 in this position:

Pawelczak v AN Other, Berlin 1964

Solution

Not too hard, since examine all biffs requires you to look at 1 Nc8, which fails to 1…Rc8, and 1 Nf5!. The Q is tied to defending the Rd8 so that after 1…Qc5, 2 Rd8 is mate. And otherwise, the Black queen is lost.

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