Author: Robert Hyatt
Date: 07:11:55 05/21/00
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On May 21, 2000 at 05:26:34, Severi Salminen wrote: >Hi! > >>Small.txt is our old "cray blitz book" but without all the ! and ? flags we >>used to use. As a result, it is very broad, with few games for each opening. > >Yes. The strange thing is that when I created it, on some position the program >outputs: "ERROR! move 3: bg5 is illegal (line 1678)" even though the Bg5 would >have been totally legal? There were 14 this kind of errors. It requires Bg5 and not bg5. The reason is that often bxx is a potential pawn capture, and I made this error a couple of times operating in important games. I would type something like ba4, meaning ba5, but it would turn out that bxa4 was perfectly legal and it would be taken. To make it simple, bishop moves need a B and not a b. Ken Thompson had the same problem years ago and replaced "B" by "l" (I think). That prevented the need for uppercase, while making bishop moves different than the b-pawn cptures or pushes. > >>I would download the book.bin from my ftp site. It is much better and won't >>behave strangely like small.txt will... > >Ok, thanks. (I tried the start.pgn and it works fine). The small.txt actually >seemed to be the reason that I couldn't turn the logging off. Creating the >crafty.rc with appropriate lines just hanged the engine. Now it seems to work. > >Severi
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