Test your chess: Reitstein problem 132

White to play and win

AA Ponelis v B Kerr 1977

Solution

Yet again, Purdy's instruction to examine all biffs turns up trumps. 1 Be6 Qe6 (1…Qc6!? 2 g5+! and 3 Bh3 keeps all the booty) 2 g5+!.

Black then has two moves: 2…fg 3 Rh7+! sets up a winning fork, 3…Kh7[] 4 Ng5+ and 1-0. So 2…Kh5 3 Rh7+ Kg4[] 4 Rh4+ Kf5[]

5 Nd4+ Kg5 6 Ne6 Kh4 and white wins.

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