Author: Jouni Uski
Date: 22:25:17 02/02/04
Go up one level in this thread
On February 02, 2004 at 23:23:06, William Penn wrote: >On February 02, 2004 at 11:25:35, Chessfun wrote: > >>On February 02, 2004 at 11:04:03, Dmitri wrote: >> >>>Final result: >>> >>>Shredder 8 65.5/100 >>>Fritz 8 34.5/100 >>> >>>Rating differance of +105 elo for Shredder 8. >>> >>>Conditions of the test: >>>P4 2.4Ghz, 1Gb ram, 3-4-5 tb on, learning on, books own, book learn on, 128Mb >>>hash, 60 min for the game all other param. set to default. >>> >>>Comments: >>>Shredder seems to like closed positions more the Fritz and they are very much >>>equal in open types of positions. Shredder is better at creating space and >>>opening files then Fritz. The only weakness I can spot is it when it comes to >>>the endgame phase. Fritz is a lot better in the endgame. Just try the position >>>from the last game of human vs computer in corr. chess from www.chessfriend.com. >>>Shredder does not like Qxb7 with perp check where as Fritz sees that it is the >>>only way. >>> >>>I will not post games here so not to use up space, but you can email me for >>>them. >>> >>>With regards, >>>Dmitri >> >>This Shredder 8 is indeed clearly a very strong program currently I'm running it >>at 40'40 and have the following scores after 48/150 >> >>v Shredder 7.04 +3-0=1 >>v Deep Fritz 8 +2-0=2 >>v Fritz 8 +3-1=0 >>v CM9K +1-0=3 >>v Tiger 14 +1-0=3 >>v Junior 7 +2-1=1 >>v Junior 8 +2-0=1 >>v Crafty 1906 +1-0=2 >>v Fritz 7 +2-1=0 >>v Ruff 2.0 +1-0=2 >>v Rebel 1201 +2-0=1 >>v Deep Sjeng1.5 +1-0=2 >>v Hiarcs 9 +2-0=1 >>v Hiarcs Bar +3-0=0 >> >>Sarah. > >Thanks to both for the good information. I haven't run any scientific tests but >have spent several hundred hours analyzing a wide variety of positions with >Shredder 8. I am noticing (subjective) what appears to be a strong horizon >effect with Shredder 8 in infinite analysis mode, which is the only way I use >it. Under those conditions the moves don't seem particularly "intelligent" >unless it is let go for several hours, a minimum of 4-5 billion nodes >(positions), then it does indeed probably find the best possible move in most >positions - except it doesn't seem very smart in endgames. I get the feeling >that humans of average strength could probably beat it easily in some endgames. >That's with an XP 2400+ computer at 2.0GHz and 1GB RAM (512MB hash), using the >native CB Shredder 8 GUI on Windows XP Home. >WP I disagree! S8 is just excellent in endgames and reaches stunning depths = easily 20 - 30 ply in endgames. Jouni
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