Author: Robert Hyatt
Date: 07:37:35 08/05/99
Go up one level in this thread
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.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.