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Subject: Re: Shredder - Hydra 1-0 (CSVN, 2004)

Author: Sandro Necchi

Date: 11:45:45 06/26/05

Go up one level in this thread


On June 26, 2005 at 12:46:04, Peter Kappler wrote:

>On June 26, 2005 at 12:12:56, Sandro Necchi wrote:
>
>>On June 26, 2005 at 11:54:21, Peter Kappler wrote:
>>
>>>On June 26, 2005 at 11:41:24, Sandro Necchi wrote:
>>>
>>>>On June 26, 2005 at 10:56:19, Peter Kappler wrote:
>>>>
>>>>>On June 26, 2005 at 01:48:28, Sandro Necchi wrote:
>>>>>
>>>>>>On June 26, 2005 at 00:06:47, Peter Kappler wrote:
>>>>>>
>>>>>>>On June 25, 2005 at 20:42:42, Steve Glanzfeld wrote:
>>>>>>>
>>>>>>>>[Event "4th Intl.CSVN"]
>>>>>>>>[Site "Leiden NED"]
>>>>>>>>[Date "2004.04.24"]
>>>>>>>>[Round "5"]
>>>>>>>>[White "Shredder"]
>>>>>>>>[Black "Hydra"]
>>>>>>>>[Result "1-0"]
>>>>>>>>[ECO "B76"]
>>>>>>>>[PlyCount "61"]
>>>>>>>>[EventDate "2004.??.??"]
>>>>>>>>
>>>>>>>>1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. f3 Nf6 8. Qd2
>>>>>>>>O-O 9. O-O-O Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. h4 Rfc8 13. h5 Qa5 14. h6 Bh8
>>>>>>>>15. a3 Nd7 16. f4 Bxd4 17. Qxd4 Nf6 18. f5 gxf5 19. Nd5 Bxd5 20. exd5 Qc5 21.
>>>>>>>>Qd3 Kh8 22. Qxf5 Rg8 23. Rh3 Qc8 24. Qf2 Qf8 25. Bd3 Rg5 26. Bf5 Qg8 27. g4 Qd8
>>>>>>>>28. Qe3 Rxg4 29. Bxg4 Nxg4 30. Qg5 Qg8 31. Qxe7 1-0
>>>>>>>>
>>>>>>>>http://www.chessgames.com/perl/chessplayer?pid=87303
>>>>>>>
>>>>>>>
>>>>>>>Hydra recently won an 8-game match, 5.5-2.5 against Shredder.  (A slower version
>>>>>>>of Hydra than the one Adams is facing.)
>>>>>>
>>>>>>I have already posted several times that the experimental Shredder version that
>>>>>>played against Hydra was heavely buggy (about 150 points weaker on long time
>>>>>>controls), so it would have lost the match against any strong engine too.
>>>>>>
>>>>>
>>>>>I must have missed these posts.  Can you provide a few positions from the match
>>>>>where the current Shredder 9 plays a different move from the experimental
>>>>>version that lost to Hydra?
>>>>
>>>>One is more than enough:
>>>>
>>>>look game 6th when Shredder gave a piece for 2 pawns and lost the game. No
>>>>Shredder commercial version would play that move at any level.
>>>>
>>>>Sandro
>>>>
>>>
>>>You must be thinking of another game.  Game 6 was a drawn rook and pawn ending.
>>
>>Sorry it was the last game we lost. Game 8th I think.
>>
>
>I assume you are talking about the long, forced variation after 33...g4, but it
>seems pretty clear that Shredder was already losing at that point.

The point here is that Shredder was heavely buggy and that was making the
program a lot weaker, not if we lost only due to this.

>
>[D] 5rk1/4qpp1/1Q6/p1p1p1pn/P1B1P3/2P2P1P/6PK/3R4 b - - 0 33
>
>-Peter



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