Cordingley puzzle 29

White to play and win

Solution

Straightforward: 1Bg5+ can be played with not much calculation; if 1…hg, then 2 Qh5+ wins a tempo before taking on g5. The line after 1…Qd6 is 'linear' (in Kotov's terms, there aren't any branches) and it is not too distant in the future therefore to see that black can't stop the e pawn queening.

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