Author: Dave Gomboc
Date: 09:53:50 08/05/99
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On August 05, 1999 at 10:37:35, Robert Hyatt wrote: >On August 05, 1999 at 02:39:23, Dave Gomboc wrote: > >>I was just scanning through main.c again, and I see in crafty 11.20 that >>zero-zero is preferred for castling? AFAIK, this is totally broken: it is >>capital_oh-capital_oh that is correct, because zero-zero can represent a double >>forfeit (though you might allow it as kingside castling if a zero-zero result >>doesn't match the result tag in the game header.) >> >>I didn't yet read the rest of main.c to see if this changed again later. >> >>Dave > > >No... zero-zero is _not_ preferred. It is _broken_ to do so. I had to add >support to read such moves because other programs output pgn with zero-zero >used. This used to screw up building an opening book. > >But oh-oh rather than zero-zero is correct. > >However, Crafty will (hopefully) accept zero-zero as well as the correct >oh-oh, so that you don't have to hand-edit the hundreds of thousands of PGN >games that have zero-zero and zero-zero-zero. Shep said it was changed again later. I was only going by the text in main.c, section 11.20. :-) Unless I misread it, it says that zero-zero was preferred.. at least at that time. Dave
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