Author: James T. Walker
Date: 14:57:54 05/03/02
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On May 03, 2002 at 17:23:34, Ferdinand S. Mosca wrote: >On May 03, 2002 at 15:52:20, James T. Walker wrote: > >>I've been looking at the Nunn test positions and I have some questions. In the >>Fritz database they are provided as 10 positions. Why is the first position >>listed with "line" and the rest have either "1-0 or 0-1"? Are these the >>expected results? > >Hello James, > >I expect it is the expected results. > >>In the Nunn2 test positions they are all listed with "line". > >Yes and according to GM Nunn, those positions are from a practical games where >one side's winning frequency is not greater than 60-40. I still guess that one >side has the upper hand but only minimal, but of course it is interesting, maybe >engines will be able to find a promising plan/novelties through continuous test >and learning, like the following position from a game Chess Tiger 14-Junior 7, >from OP 2002 published by Kurt. >Chess Tiger here played Bc1, which I think is a novelty, >more common here is Bf2 with queenside play to follow. >[D]r1bqnrk1/ppp1n1bp/3p2p1/3Pp3/2P1Pp2/2N1BP2/PP2B1PP/R2QNRK1 w - - 0 12 >Is Bc1 reasonable? now look what happened to the game, is that line playable >against a human opponent? > >>If in the first case they are not expected results and they are considered equal >>positions I guess they should all show "line" as a result. I would like to make >>an opening book for testing using the Nunn positions. How can I make Chessbase >>programs use each position when I want it to instead of random selection as >>would be the case normally? Of course the reason for this is to facilitate >>running test using auto232. Should I make one book out of each position and use >>that book for each test? > >I think so one book for each position. > >Dinan > >Maybe I have answered my own question for that part!? >> The reason is I don't like "engine/engine" test with pondering off. Since I >>have 2 computers and auto232 I prefer to test that way. >>Thanks for any help. >>Jim Hello Dinan, Well I tried the one book for each position and can't make it work. The problem is that Fritz/Hiarcs etc will not use the book. When starting auto232 I get warning signs that the book is too small and ask if I want to continue. I click continue and the game starts but the programs will not use the simple book. I guess the Chessbase GUI has something to do with this nonsense. I tried increasing the weight of each move from 0 to 100 but it made no difference. If anyone has any suggestions on how to make the programs use the simple book please let me know. Jim
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