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Subject: Re: Rybka book experiment score update (vs. Fritz 9)

Author: Uri Blass

Date: 12:37:46 01/27/06

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On January 27, 2006 at 15:30:00, Kurt Utzinger wrote:

>On January 27, 2006 at 15:26:26, Jonas Cohonas wrote:
>
>>Game 15 was a funny draw, due to lack of endgame knowledge Rybka was unable to
>>convert a sure win.
>>
>>I will post the games tomorrow as i plan to do a restart of my comp, before i
>>continue with the rest of the games.
>>
>>Another funny thing is that the two losses were more the result of time trouble
>>blunders than lost positions!
>>
>>"I am in the process of making an opening book for Rybka based on what i have
>>observed in Rybka so far in terms of strengths and weaknesses and i am testing
>>Rybka beta 12 against Frizt 9 with this book at 90 min + 30 seconds per move
>>ponder=off and 256 Mb hash each Fritz uses it's own native book Fritz9.ctg, P4
>>2.8 1 Gb ram and after 16 games (out of a 100) this is the score"
>>
>>                               1234567890123456
>>1   Rybka 1.01 Beta 12 32-bit  1111101½½11110½1 12.5/16
>>2   Fritz 9                    0000010½½00001½0  3.5/16
>
>      Hi Jonas
>      Oops, this is indeed very impressive. Should the same book
>      do as well vs other engines, Rybka would need no further
>      improvements in the next two years -:)
>      Best regards
>      Kurt

I see the smiley but of course rybka will need improvement even if Rybka1.2 is
going to be better than everything else in the next 2 years.

comp-comp games is not the only use of chess programs and they are used to
analyze positions.

I bought only 2 shredder's out of Shredder7.04 and Shredder8 and Shredder9 when
shredder was number 1.
More improvement could probably convince me to buy all the 3.

Uri



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