Cordingley puzzle 61

White to play and win

Solution

Clearly, the theme has to be mating; so at first I tried 1 Ng5+, which is insufficient, then the nice (but also insufficient 1 Bh6+ Qh6+ 2 Ng5+ Kg7 3 Qd7+ Kg6 and white has nothing; and then I saw the solution, the decoy, 1 Rg1.

After black captures (there is nothing else- Qf7, Qh6 mate) 2 Ng5+ and it is game over. If black doesn't take the knight, it is mate in three, and if he does, white's advantage is overwhelming.

Not a particularly hard problem.

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