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Subject: Re: Kasparov - Deep Junior: and tablebases draw rule

Author: Uri Blass

Date: 09:39:27 01/22/03

Go up one level in this thread


On January 22, 2003 at 11:55:10, Les Fernandez wrote:

>On January 22, 2003 at 11:45:17, Uri Blass wrote:
>
>>On January 22, 2003 at 11:29:18, Les Fernandez wrote:
>>
>>>On January 22, 2003 at 05:12:52, Francesco Di Tolla wrote:
>>>
>>>>An important rule went unnoticed here.
>>>>
>>>>The program can use the tablebase, but the game is declared draw when the
>>>>computer hits a tblbase draw!
>>>
>>>Rediculous!! Who in the world would agree to terms like that!  With a few more
>>>rules like this it won't even pay to play the match.  What other things does the
>>>Kasparov camp demand?  Am I not mistaken that all this time Kasparov has had a
>>>version of the software to gain insight into its prowess?
>>
>>You are wrong.
>>
>
>Hi Uri
>
>First how is your move generator going?

Not bad
I am happy with the last result of Movei

Movei0.07995 is the latest not public version of Movei and it generated today
4-0 against CyberPagno2 that is the first step to avoid regulation to the 3th
division.

A version that is almost the same also generated the following draw on ICC
against a commercial program(Movei had hardware advantage 1000 Mhz against
600Mhz but inspite of it I am happy with every result that is not a loss against
a commercial.

[Event "ICS rated blitz match"]
[Site "chessclub.com"]
[Date "2003.01.21"]
[Round "-"]
[White "FritzMaster"]
[Black "MoveiXX"]
[Result "1/2-1/2"]
[WhiteElo "2794"]
[BlackElo "2531"]
[TimeControl "180"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7
8. c4 Bg4 9. cxd5 Qxd5 10. Nc3 Nxc3 11. bxc3 O-O 12. Re1 Bd6 13. Be3 Rfe8
14. Rb1 a6 15. h3 Bxf3 16. Qxf3 Qxf3 17. gxf3 Rab8 18. Be4 Na5 19. Kf1 b5
20. Ke2 Nc4 21. Kd3 Rec8 22. a4 c5 23. axb5 axb5 24. Rg1 cxd4 25. cxd4 Rc7
26. Rgc1 Ra7 27. Rb3 Ra5 28. Bc6 Rb6 29. d5 Ne5+ 30. Ke4 Rb8 31. Bd4 Nxc6
32. Rxc6 Re8+ 33. Kd3 Bf4 34. h4 h6 35. d6 Kh7 36. Bc5 Ra1 37. h5 Rd1+ 38.
Kc3 Rd5 39. Rxb5 Re1 40. Kc4 Rxh5 41. d7 Rc1+ 42. Kb3 Rd5 43. Rd6 Bxd6 44.
d8=Q Rc3+ 45. Ka2 Rc2+ 46. Kb3 Rc3+ 47. Ka2 Rc2+ 48. Kb3 Rc3+
{Game drawn by repetition} 1/2-1/2




>
>>Kasparov has only an old version and not the version that is going to play
>>against him.
>
>I am aware of this.
>
>>
>>I also believe that the rule does not change a lot.
>>
>>The probability to get tablebase position in 1 game is small and the probability
>>to get draw tablebase position that kasparov does not know to play is even
>>smaller.
>>
>>I guess that the last probability is less than 1/1000.
>
>You think so?  I just havent an idea about the odds for that.

How many games between humans and computer went to tablebases?
Based on watching comp-human games I guess that less than 1/100
How many of them went to a tablebases that kasaprov does not understand?
probably less than 1/1000.
>>
>>
>>>  Although I feel
>>>Kasparov should win the match with all these "extra" provisions one would have
>>>to ask how can he lose!!!!.
>>
>>Losing the match is no problem.
>>Kasparov only needs to do some mistakes that he usually does not do in games.
>>Kramnik proved that it is easy to do it but did not do it enough to lose the
>>match but only to draw.
>
>Perhaps you are right here.  However why not just a simple tournament, no old or
>new software, no special provisions etc and just "LETS PLAY CHESS" !!
>
>Les

I prefer also to see tournament when more than one top player is involved.

In other cases I am afraid that people will suspect that the human sold the
match.

Uri



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