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Subject: Re: Crafty v Diep (final) (some notes)

Author: Robert Hyatt

Date: 08:06:31 08/15/05

Go up one level in this thread


On August 15, 2005 at 10:36:38, Matthew Hull wrote:

>On August 15, 2005 at 10:30:48, Robert Hyatt wrote:
>
>>On August 15, 2005 at 10:03:53, Peter Berger wrote:
>>
>>>[Event "WCCC 2005 "]
>>>[Site "Reykjavik, Iceland "]
>>>[Date "2005.08.15"]
>>>[Round "3"]
>>>[White "Crafty 19.20"]
>>>[WhiteElo ""]
>>>[Black "Diep"]
>>>[BlackElo ""]
>>>[Result "1-0"]
>>>
>>>1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. g3 e6 5. Bg2 d6 6. O-O Nc6
>>>7. d4 cxd4 8. Nxd4 Nxe5 9. Bxd5 exd5 10. f4 Bg4
>>
>>Crafty expected Nc6 here with a score of +.36.  After Bg4 score jumped to +1.0.
>>Search depth was 16 plies.
>>
>>
>>> 11. Qe1 Qb6
>>>12. Qe3 f6 13. fxe5 dxe5 14. Nb3 Qxe3+ 15. Bxe3 d4 16. Bf2 h5
>>>17. Re1 Kf7 18. c3 d3 19. N1d2 h4 20. gxh4 b6
>>
>>Here score is +1.6, again 16 plies deep.
>>
>>>21. a4 Be7 22. a5
>>>b5 23. a6 Bf5 24. Ra5 Rhb8 25. Bc5 Bd8 26. Raa1 Bc7 27. Re3
>>>Rd8 28. Rf1 Bg6
>>
>>Previous move predicted, score +2.0, 15 plies...
>>
>>
>>>29. Rf2 Rd5 30. Rg2 Bh5 31. Ne4 f5 32. Ng5+
>>>Kf6 33. Nd2 f4 34. Re1 Rh8 35. Kh1 Bb8
>>
>>Score +3 depth=17
>
>
>Wow.  That's what I call "crush depth".
>
>
>
>>
>>
>>>36. Nge4+ Kf7 37. Reg1
>>>g6 38. Ra1 b4
>>
>>score +4 depth=16
>>
>>> 39. Bxb4 Rc8 40. c4 Rd4 41. b3 Rd7 42. Bc3 Rc6
>>>43. Rg5 Re7 44. Ra5 Bc7
>>
>>score +5, depth=16
>>
>>>45. Rd5 Be2 46. Kg2 Bb8 47. Nf3 Rxa6
>>>48. h5 gxh5 49. Rd8 1-0
>>
>>score +6.5, depth=17.
>>
>>I suppose Vincent was licking his lips when Peter opened with 1. e4 as we were
>>entering one of those "Sicilians" that we could not possibly win.


remember that "crafty won't scale on 8 processors".  :)

However, even though it won't scale, it is searching like a demon...



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