Cordingley puzzle 228 supplementary problem #chess
Black to play and win
Solution
The position is from a few moves earlier in game 228. When I do my daily Cordingley puzzle, I typically like to play through the whole game, just for the sake of interest. It is nice to get a quick impression in such a way.
In looking at this game, with the help of Houdini ticking away in the background, it flicked up that in the above position, black overlooked 1…Rg2+ winning. The lines are fairly straightforward. After white captures, black checks on g8, and then plays either Qh3 or Qg7+ depending on where white moves his queen.
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allanbeardsworth 
Allan, I take it you did not know I wrote an article in BCM 6-8 years ago, pointing out wrong assessments etc by C. You have the 1944 first edition. I worked from the 1948 one, which had some corrections. C, alas, just copied from mainly old German sources without checking and this carelessness shows. Also explains why some many Schlechter examples.
NB Bondarevsky-Ufimstev is given by Korn, The Brilliant Touch, page 13, as USSR Ch. prelim. 1940 which is more plausible. Bernard Cafferty, Hastings, 22 xi ’13
Bernard, thank you so much for this.
I didn’t know about your article, but have found it- in fact, published 5 yrs ago, Dec 08 edition- I had to keep looking until I found it. I have read it with interest, and will re-read again.
Thank you also for the information on Bondarevsky-Ufimstev. I infer from what you say that the game score isn’t in Korn.
If you wish to contact me so we can correspond further on Cordingley, please email me on allanbeard@aol.com. Otherwise, thank you again for your posting.
Best wishes
Allan