It’s Your Move: daily chess puzzle #318

White to play and win

Bilek v Cardoso, Woolacombe 1973

Solution

White’s position is overwhelming, so e.g. 1 Qg5 wins, threatening to swing the R to h4. But easiest is 1 Rd4! cd 2 Bd4 when Black’s queen is trapped.

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After 2…Qb7, 3 Qg5 and Black is in near zugzwang.

In the game, Black played 3…h6 when 4 Ng6+ Bg6 5 Rf8+ Kh7 6 Qg6+! mated prettily.