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Subject: Re: Crafty is playing and definitively losing!????

Author: Uri Blass

Date: 06:48:45 08/16/05

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On August 16, 2005 at 09:35:05, Marc Lacrosse wrote:

>
>>>
>>>[Event "WCCC 2005"]
>>>[Site "Reykjavik, Iceland"]
>>>[Date "2005.08.16"]
>>>[Round "5"]
>>>[White "Crafty"]
>>>[Black "Deep Sjeng"]
>>>[Result "*"]
>>>[ECO "B52"]
>>>[Annotator "Wccc05"]
>>>[PlyCount "97"]
>>>[EventDate "2005.??.??"]
>>>
>>>1. e4 {0s} c5 {book 1s} 2. Nf3 {26s (c3)} d6 {book 1s} 3. Bb5+ {11s (d4)} Bd7 {
>>>book 1s} 4. Bxd7+ {7s} Qxd7 {book 1s} 5. O-O {15s (c4)} Nc6 {book 1s} 6. c3 {
>>>12s} Nf6 {book 0s} 7. d4 {10s} Nxe4 {book 0s} 8. d5 {10s} Ne5 {book 1s} 9. Re1
>>>{10s} Nxf3+ {book 1s} 10. Qxf3 {19s} Nf6 {book 1s} 11. c4 {15s (Na3)} e5 {
>>>book 1s} 12. dxe6 {10s} fxe6 {book 1s} 13. Nc3 {12s (Bg5)} Be7 {book 1s} 14.
>>>Bg5 {9s} h6 {book 1s} 15. Bh4 {9s} O-O {book 1s} 16. Qe2 {11s (Qh3)} e5 {
>>>+0.37/16 6:08m} 17. Bxf6 {9s} Rxf6 {+0.37/15 1:45m} 18. Rad1 {1:02m} Rf5 {
>>>+0.18/15 1:36m} 19. Qe4 {3:10m (Qd2)} Rf7 {+0.16/16 6:01m} 20. Qd5 {3:50m} Qc6
>>>{+0.15/17 1s} 21. Ne4 {4:24m (Qe6)} Rd8 {+0.02/16 4:39m} 22. g3 {2s} a6 {
>>>+0.18/16 5:47m} 23. Re2 {3:24m} Qxd5 {+0.20/18 1s} 24. Rxd5 {2:31m} b5 {
>>>+0.06/18 1s} 25. cxb5 {3:11m} axb5 {+0.16/18 1s} 26. Red2 {2:35m} b4 {
>>>+0.16/18 1s} 27. Nxc5 {2:50m} dxc5 {+0.15/18 1s} 28. Rxd8+ {49s} Bxd8 {
>>>+0.12/17 32s} 29. Rxd8+ {19s} Kh7 {+0.09/18 1:07m} 30. Rd2 {1:34m (Rc8)} c4 {
>>>+0.31/18 4:30m} 31. Rc2 {3:36m} Rc7 {+0.15/20 1s} 32. Kg2 {1:59m (f3)} Kg6 {
>>>+0.18/19 3:44m} 33. Kf3 {1:08m} Kf5 {+0.51/18 55s} 34. Ke3 {4:15m} g5 {
>>>+0.40/19 1s} 35. h3 {3:06m (f3)} h5 {+0.21/19 3:34m} 36. a3 {9s (f3)} b3 {
>>>+0.38/18 3:05m} 37. Rc3 {14s} Ke6 {+0.25/18 1:33m} 38. Ke4 {4:55m} g4 {
>>>+0.78/20 1s} 39. hxg4 {3:54m} hxg4 {+1.07/20 1s} 40. Rc1 {7:36m} Kd6 {
>>>+1.49/20 1s} 41. Ke3 {15:13m (Rb1)} c3 {+1.88/19 3:15m} 42. bxc3 {8s} Kd5 {
>>>+1.96/18 42s} 43. Kd2 {2:28m (c4+)} Rf7 {+2.85/20 5:19m} 44. Rf1 {1:56m} Kc4 {
>>>+2.97/20 1s} 45. Kc1 {4:19m} Kxc3 {+3.71/21 1s} 46. Re1 {12:48m} b2+ {
>>>+7.96/23 1s} 47. Kb1 {1:11m} Rxf2 {+8.23/18 6s} 48. a4 {2:11m (Re3+)} e4 {
>>>+15.08/21 5:33m} 49. a5 {7s} *
>>
>>Theo,
>>
>>   Your game has Crafty as white and the score +15.  Either Crafty is winning or
>>Crafty is Black.  Do you agree?
>>
>>Steve
>
>I think that a minority of engines still give evaluations from the relative
>poitn-of-view instead of absolute value
>(relative : the side which is best has positive values be it W or B)
>(absolute : positive value = white has the better hand)
>This could well be the case for Deep Sjeng whose logs we have here.
>
>
>Marc

I think that it is not minority but majority

some interfaces know to translate the score to score from white point of view
but when Movei is running under winboard it gives score from it's point of view
and not from white's point of view and I see no good reason to change it.

Uri



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