Author: Uri Blass
Date: 07:18:06 12/02/05
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On December 01, 2005 at 23:28:45, P L Patodia wrote: >On December 01, 2005 at 11:28:47, Uri Blass wrote: > >>On December 01, 2005 at 03:03:43, P L Patodia wrote: >> >>>The following position reached after Black's 13th move. The game was played in >>>1983 (both White and Black amateur players) >>> >>>[d]2kr1b1r/pp1nq2p/1np1ppp1/8/3PP3/2N3B1/PP1NQPPP/2R2RK1 w - - 0 14 >>> >>>Can you find the winning move? >>> >>>The correct move wins the Black Queen. It is very easy for a chess engine. The >>>question is whether you can find out. >>> >>>Thanks and Regards, >>> >>>P L Patodia >> >>I can find Nd5 with double threat(mate by Rxc6+ and Ba6# and Nxe7) >>It seems to win the black queen. >>It took me something like a minute to find it. >> >>Uri > >Uri, you found the correct move in just one minute. It is great. > >Dagh Nielsen also found it but probably could not see mate threat. > >P L Patodia Without seeing the mate threat Nb5 is more natural. It was the first move that I thought about but I saw no queen after Nb8(note that e5 is better than Nb8 but as the problem was to find a move that wins the queen one move is enough to redute Nb5. I also thought about Nd5 but originally did not see the idea of Rxc6+ and got to think of other options and only later when I returned to think about Nd5 because it threats the queen and is candidate to win it I saw the idea Rxc6+ bxc6 Qa6# Note that one minute is a guess and I did not measure exact time that I needed to see it. Uri
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