Cordingley puzzle 156 #chess

White to play and win

Solution

Relatively straight forward. I first looked at 'improving the worst placed piece', the Bg2, by 1 e5, but couldn't make anything if it. Then I noticed the risk of a back rank mate, quickly realising that the Rc8 is tied to the eighth rank, so that the Pc6 is LPDO, so 1 Rc6! with a double attack on the Rc8 and Be6. All that was then needed was to check that black hasn't got any first rank cheapos: he doesn't, so 1 Rc6! is game over.

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