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Subject: Re: Sacrifice

Author: Harald Faber

Date: 06:25:10 05/24/99

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On May 24, 1999 at 05:34:15, blass uri wrote:

>
>On May 24, 1999 at 04:48:20, Harald Faber wrote:
>
>>On May 23, 1999 at 08:52:04, Georg Langrath wrote:
>>
>>>Look at the sacrifice in move 23.
>>>I have tried with several of my chessprograms, and the willingness to do
>>>this sacrifice differs between the programs. I don't know if the sacrifice
>>>is correct, but it tests the willingness of your programs to make sacrfices.
>>>
>>>Georg
>>>
>>>[Event "15th WMCC"]
>>>[Site "Paris"]
>>>[Date "1997.11.02"]
>>>[Round "11"]
>>>[Result "1-0"]
>>>[White "Comet / K6-200"]
>>>[Black "The Crazy Bishop / K6-200"]
>>>[ECO "B33"]
>>>[EventDate "1997.10.26"]
>>>[PlyCount "85"]
>>>
>>>1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6
>>>8. Na3 Be7 9. Bc4 O-O 10. Bxf6 Bxf6 11. Bd5 Rb8 12. O-O Nd4 13. Nc4 b5
>>>14. Ne3 Bg5 15. Ne2 Bxe3 16. fxe3 Ne6 17. Ng3 Qb6 18. Qd2 Nc7 19. Bb3 Be6
>>>20. Nf5 Bxf5 21. Rxf5 Ne8 22. Raf1 Nf6 23. Rxf6 gxf6 24. Rxf6 a5 25. Qf2 Kh8
>>>26. Rh6 Rg8 27. Bxf7 Rg7 28. Bd5 Qd8 29. Rf6 Rc7 30. c3 b4 31. c4 a4 32. Qf5
>>>32... Re7 33. Bf7 Qd7 34. Be6 Qd8 35. c5 Rg7 36. c6 a3 37. b3 Qe7 38. c7
>>>38... Qxc7 39. Rf8+ Rg8 40. Bxg8 Rxf8 41. Qxf8 Qg7 42. Qxg7+ Kxg7 43. Bd5
>>>1-0
>>
>>Results:
>>
>>MMX166/48MB RAM:
>>
>>WChess2000: >15min
>>Junior5: 165sec
>>Fritz5.32: 15min03sec
>>Nimzo99: 118sec
>>Zarkov5: 259sec
>>Crafty 16.6: >15min
>>
>>AMD-K6-200/64MB RAM:
>>
>>ChessSystemTal2.02: 1sec
>>Rebel10: >10min
>>MCP8: >10min
>>Chessmaster6000/6000HF/5555: 0sec
>>Shredder3: >10min
>>Hiarcs7: >10min
>
>I think that the sacrifice is a correct sacrifice and that these results prove
>that
>sometimes fast searcher like Junior has better positional understanding then
>slow searchers like hiarcs7
>
>Uri

I think it is more a question of king safety evaluation.
The result doesn't surprise me.



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