Cordingley puzzle 19
White to play and win (well, not quite)
Solution
Another Aagaard position: this is too deep for me to analyse, and Houdini shows that black has defences, and that the line Cordingley shows, the line which was played in the game, wasn't as good as he thought.
I looked at the position twice: once, a few years ago, when I bought the book, and again now, in 2013, when doing this blog. Interestingly, I choose the same line this year as last time: alas, checking with Houdini, the line I chose 'loses', but black's defence is narrow and not obvious: I think, in fact, in practice there were 'chances for both sides'. My move, was (after sacing the exchange, 1 Qg4 Qc1 2 Bf6 g6) was to bring another piece to the party, 3 Nf2, whereas bringing another piece 3 Bd5 is better.
This position is capable of far deeper analysis.
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allanbeardsworth 