Author: Andrew Williams
Date: 16:12:01 09/01/02
Hi, On Friday I got back from a business trip and saw the discussion going on about the effect of the opening book. Too tired to think of anything else to test, I started a match between postmodernist with its big book (made up of Dann Corbit's games collection) versus postmodernist without a book. To encourage a bit of randomness, I told both versions to randomly vary the time they used for searching the first few moves out of book. I have no position at all on the debate that was going on, but here is some more data anyway: I played 200 games at 5 minutes + 2 seconds increment. Both sides played with no pondering on the same Athlon 1200. There were no duplicates amongst the games (according to Scid; I haven't checked by hand). The final score from the point of view of the version with the book was: +71 =78 -51 With a final score of Withbook 110 - 90 Nobook. Andrew PS Irrespective of the significance of the figures given here or elsewhere, I won't participate in any tournament where an opening book is used without explicit permission from its creator to use it in the tournament.
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