Author: Stefan Meyer-Kahlen
Date: 00:57:36 02/09/05
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On February 07, 2005 at 17:04:22, James C. Logan wrote: >In the "infinite analysis" mode under Fritz 8 interface (version 19), as well as >the Chessbase 9 interface (version 5), Shredder 9 seems to get very deep, very >fast. Faster than Shredder 8. I do not look at nodes/sec, only the depth. I have >not found an instance yet where the two programs differ in the suggested top >move, but I am not looking too hard yet. I also have not looked over the PV yet >to see if I like it better than S8. > >As for games, I have tried a quick informal run in Arena 1.1 of Shredder 9 vs. >Shredder 8. Naturally, under this interface, I cannot use Shredder books. I >played 21 games of Game/3 minute and Shredder 8 trounced Shredder 9. I moved the >time control up to Game/5, and a small number of games also went to Shredder 8. >I am now going to try using the Shredder interface - I will do a more controlled >experiment overnight. > >I can say that in all that I have seen, Shredder 8 uses the clock more >effectively than Shredder 9. Maybe that is an unfair statement, but S9 is always >behind on the clock compared to S8, winning or losing. > >These are only first impressions - don't take them too seriously yet. Thanks for your impressions. If you think that Shredder 9 is playing to slow you can set the engine option "Time Usage" to a value < 100. The value is given in percent, so if you set it to 90 Shredder will on average think 10% less for his moves. Stefan
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