Cordingley puzzle 18

White to play and win

Solution

In some ways, this is an Aagaard position: capable of extensive analysis. As the attached analysis shows, many lines win, and Houdini prefers various moves to those chosen by Botvinnik. The line I preferred, sacing on f6 and then bringing the Queen out to h5, is good enough, but maybe not best.

I haven't looked at the position deeply: I suspect further analysis is needed.

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