Author: Ryan B.
Date: 19:03:47 10/20/05
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On October 20, 2005 at 21:16:11, Thomas Logan wrote: >On October 20, 2005 at 20:37:45, Jorge Pichard wrote: > >>On October 20, 2005 at 19:34:51, Thomas Logan wrote: >> >>Shredder learning must be better than Fruit 2.2, and after 75 games Shredder >>should be ahead :-) > >Yes that is a possibility though I am not sure and tend to doubt it but > >How would you check it ? > >Other than running another match of equal duration > >Fruit appears to have been helped by the addition of df8.ctg to book.bin > >and was + 3 after the first 10 games > >thereafter fruit played with own book alone > >What I have done is put all the fruit-shredder games into chessbase clipbase > >and organized by eco codes > >I then look for duplicate openings to see if perhaps shredder was helped by a >previous game position > >There was no apparent evidence that Shredder benefitted from this > >Perhaps this is the wrong way to test - I am unsure as to how position learning >works and maybe it works negatively in the avoidance of a position > >I don't know you tell me > >Tom I think it would take a lot of games for position learning to be much factor. I cant see position learning being bad for an engine because the load into hash would be at init so no slow down during game play and if the engine avoids a position all together due to learning it means it could not find a good score from any of the moves it did not play in that position last time. Book learning however could be a controlling factor especially if the opposing engine does not have a well tuned book or is using a book not tuned for that engine. I do not have windows so maybe someone can correct me on this but I think CB GUI handles book learning for each engine using a CB book. If this is true than both engines would have equal learning chances so long as the book is good for the engine using it. I would not pick the fritz book for Fruit however due to a much different engine play stile and see this as a disadvantage for Fruit. Ryan
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