Author: Mogens Larsen
Date: 02:29:21 08/31/02
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On August 31, 2002 at 02:10:25, Aaron Tay wrote: >I agree. You can find out if games stay in book longer with longer time controls >if you keep an average of the number of book moves that the engine stays in >book. It depends on the engine also. I have the impression Crafty finds book >moves better than Yace at the same time control. And The King is also pretty >good. That matches my observations as well. >Of course if this trend holds it may imply that autogenerated ametuer books >might even be weaker than no books when faced against Professional books, since >the autogenerated books will stay in book longer with greater chances of falling >into a trap! That is true to a certain extent. Though I suspect that the deficit isn't horrendous given that the book is something more than an ordered PGN file, where main attributes are wide and random. This means choice by statistics, controlled opening repetoire and learning are requirements for decent results IMO. At least against your average commercial book, which is quite wide compared to those used at championships (or so I imagine). It's not unlikely that an "out of book" book could yield better results than your average autogenerated book. Regards, Mogens
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