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Subject: Re: Can any program find this great sacrifice played be Botvinnik !

Author: Uri Blass

Date: 00:56:19 04/20/03

Go up one level in this thread


On April 19, 2003 at 23:16:54, Robert Hyatt wrote:

>On April 19, 2003 at 12:25:56, Jorge Pichard wrote:
>
>>In what is certainly one of the best games ever played, Botvinnik unleashes an
>>unbelievable Bishop sacrifice on his 30th move. Capablanca accepts the sac and
>>then has to hope that he can keep Botvinnik's king in check to avoid the mate.
>>Botvinnik has calculated further and Capablanca throws in the towel 11 moves
>>later. Probably one of the deepest combinations ever played.
>>
>>[Event "Netherlands"]
>>[Site "?"]
>>[Date "1938.??.??"]
>>[Round "?"]
>>[White "Botvinnik Mikhail M"]
>>[Black "Capablanca J"]
>>[Result "1-0"]
>>[Opening "Nimzo-Indian, 4.e3, Botvinnik System"]
>>
>>1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8.
>>Bd3 O-O 9. Ne2 b6 10. O-O Ba6 11. Bxa6 Nxa6 12. Bb2 Qd7 13. a4 Rfe8 14. Qd3 c4
>>15. Qc2 Nb8 16. Rae1 Nc6 17. Ng3 Na5 18. f3 Nb3 19. e4 Qxa4 20. e5 Nd7 21. Qf2
>>g6 22. f4 f5 23. exf6 Nxf6 24. f5 Rxe1 25. Rxe1 Re8 26. Re6 Rxe6 27. fxe6 Kg7
>>28. Qf4 Qe8 29. Qe5 Qe7 30. Ba3!
>>
>>[D]8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - - 0 29
>>
>>30...Qxa3 31. Nh5+ gxh5 32. Qg5+ Kf8 33. Qxf6+ Kg8 34. e7 Qc1+ 35. Kf2 Qc2+ 36.
>>Kg3 Qd3+ 37. Kh4 Qe4+ 38. Kxh5 Qe2+ 39. Kh4 Qe4+ 40. g4 Qe1+ 41. Kh5 1-0
>
>
>I think most every program can find that today.  It's tactically pretty
>easy given today's hardware speeds.

Only with the right software.
I bet that there are programs that will not find it in an hour even on fast
hardware.

If you consider the fact that most programs are weak programs relative to crafty
then I guess that most programs are not going to see Ba3 with a winning score in
reasonable time even with fast hardware.

Uri



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