Author: Dann Corbit
Date: 12:01:48 07/02/01
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The opening book is certainly one of the most important parts of a chess program. Thus far, I have seen no example which contains all of the information I would want. Therefore, I think there is no agreeable standard. There was some discussion on this idea in a German newsgroup a while back. Here is a bare minimum of the sort of data I think should be present: 1. What is the total count of persons making this move by ELO bins? 1a. (related) What is the average ELO of a person choosing this move? 2. What is the win/loss/draw count for each choice [by ELO if possible]? 3. What is the computer evaluation for this move? 3a. (related) What is the depth in plies of the computer evaluation? 3b. (related) What program was used to perform the evaluation? 3c. (related) How many nodes were examined? (useless without 3b.) 3d. (related) What is the extrapolated mini-maxed score for this choice? 3e. (related) What are the statistics for the mini-maxed score? (multiple components) 4. What is the MCO evaluation for this move? 5. What is the alternative human evaluation for this move? [E.g. Najdorf opinions from Nunn's book, etc.] 6. What are the statistics for when *my* program uses this move? (It may be a great move, but if the computer does not understand it, it isn't a good move for that program). 7. What is the average time control for the human games at this choice? 8. What is the average time control for the computer games at this choice? 9. What is the average time control for the computer-human games at this choice? I'm sure that there are lots more things that I can't think of right now. The information should be stored in a "real database" -- not some binary file.
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