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Cordingley puzzle 103 #chess

July 12, 2013

White to play and win


(Not the first time, the eagle eyed should note I have deleted 'and win', because this problem is cooked)



I wasn't able to attempt this puzzle properly during this daily exercise programme, since I had studied this position in some detail a few years ago when I bought Cordingley, and knew the position well.

I recalled two things: firstly, that when I had tried to solve it, I had absolutely no ideas. Secondly, that when I looked at the solution, 1 b3, I found out that it was badly cooked. Cordingley's solution just gives the game score without any variations, but 1… Qc5! simply wins.

Now, armed with Houdini, a few further points. Firstly, it assesses the initial position as being somewhat in black's favour, suggesting 1 Qd6 as best, and this looks sensible, but any advantage there is must be for black. Secondly, 1…Qc5 isn't too hard to spot: the white Queen is LPDO after 1 b3, so 'considering all smites' as Purdy directs would find this move, the point of which is to keep white's queen out out of e7 or d6. Finally, even after the game continuation, it is only black's penultimate move, …Kf6, which loses: simply ..Qd3 is at least level, and again is not to hard to spot, since white is aiming to get his Queen to d7.

So, double cooked.



From → Chess

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