Test your chess: Reitstein problem 23

White to play and win

(Try to look for the very best line, a few moves deep)

Solution

The first few moves are fairly easy: 1 Rg4 fg 2 Qf6+ Kg8[], especially when there is the option of taking the LPDO Bb6.

However, white has better, 3 Bc3!

There is a pretty (but standard) threat: say 3…Nc6 4 Qg7+! Kg7 5 Nf5+ Kg8 6 Nh6 mate. Against other defences, there are more prosaic wins.

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