Author: Timothy J. Frohlick
Date: 14:14:24 11/12/05
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So what happens if Shredder 8 uses Fruit 2.2.1 opening book? S.Taylor I leave that for you to do. I am not sure that Shredder 8 or Shredder 9 can use the Fruit 2.2.1 Book.bin opening book. The testing was only about twenty games with each opening book or about forty games total. This is a rather small sample but it did show some trending. TIM PS You can't go wrong getting Fruit 2.2.x. It is a worthy and well executed chess program. It is isn't perfect but then there is no such chess program.... yet. On November 12, 2005 at 17:06:21, stuart taylor wrote: >On November 12, 2005 at 16:44:38, Timothy J. Frohlick wrote: > >>When autoplaying Fruit 2.2.1 vs Shredder 8 on my 1.5 Ghz AMD 512 MB machine and >>alloting 64 MB RAM for 4 minute Blitz chess, I noticed that Fruit 2.2.1 scores >>about 50 elo points stronger than Shredder 8 when it uses its own Book.bin 1.4 >>MB opening book vs the Shredder's native Shredder8.ctg opening book. On the >>other hand, Fruit 2.2.1 scores 50 elo points weaker than Shredder 8 when both >>programs use the Shredder 8 opening book. >> >>I am sure that Fruit is an excellent program and has a slightly different >>playing style than Shredder with often differing evaluation scores. I also >>notice that Fruit 2.2.1 is doing 50% more node searches than Shredder 8 on the >>same processor with pondering off. I assume that Fruit 2.2.1 is using more >>refined knowledge-based algorithms than Shredder 8. Nevertheless, the fact that >>Fruit 2.2.1 does better with its own book suggests than book tuning is in >>effect. > >And also HAS an effect! >So I would say that the stronger machine should be stronger, even with NO >opening book. (I wouldn't insist that every machine should use a worse opening >book, or one that is better suited to a different engine.) Then, it's OK if >opening book makes it even better. >So what happens if Shredder 8 uses Fruit 2.2.1 opening book? >S.Taylor > >> >>I am impressed with Fruit 2.2.1 and would pay twenty dollars more for Fritz 9 if >>Fruit 2.2.1 was included as a secondary engine. I may pay the $33.xx USD fee >>within the next 13 days if Chessbase doesn't include Fruit 2.2.1 with Fritz 9. >> >>Sincerely, >> >>Uncle Timbo >> >>PS If Lucien could sell 100,000 copies at an extra $10.00-$15.00 USD profit from >>his program bundled with Fritz 9 the guy could have a cool $1,000,000.00 USD >>within one year. He could then retire to a tropical island like that fellow >>Christophe Theron. Perhaps he could even buy a Jaguar.
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