Cordingley puzzle 78

White to play and win

Solution

Again, straightforward. The first move, 1 Qe4, is a move you have to consider, with 2 d6+, 3 Rf8 being the forced follow up. The only test is to evaluate the end position, and to check that black can neither win one of the three white pieces, all of which are LPDOs, or give a perpetual. When you realise black can't, then the only task, and not to hard, is to secure and coordinate the pieces, using also mate threats.

A pleasant enough puzzle.

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