Author: Mike Byrne
Date: 18:16:55 07/25/03
Go up one level in this thread
On July 25, 2003 at 20:30:47, Sune Fischer wrote: >On July 25, 2003 at 20:13:12, Mike Byrne wrote: > >>Since you can only claim draw on your move, make the 100 ply counter a 101 ply >>counter and this problem goes away (I think)...will test it in Crafty 19-04 SE > >But it introduces the other problem, that the engine won't see a draw until ply >101. > >Perhaps that is less of a bug, afterall you aren't required to claim a 50 move >draw. > >The only downside is that 50 move draws are far more frequent than mates on the >50th move. > >-S. true, Crafty's code reads as follows: if (Rule50Moves(0) > 99) return(2); so this works ,but it's not technically correct if (Rule50Moves(0) > 100) return(2); ======================================================== this works but it's 3 more lines and there are 2 other places where you would need this =================================================================== if (Rule50Moves(0) > 99 && crafty_is_white && wtm) return(2); else if (Rule50Moves(0) > 99 && !crafty_is_white && !wtm ) return(2); else if (Rule50Moves(0) > 100 && crafty_is_white && !wtm) return(2); else if (Rule50Moves(0) > 100 && !crafty_is_white && wtm) return(2); ==================================================================== of course this could probably be shortened quite a bit... this should work .... if (Rule50Moves(0) > 99 && (crafty_is_white + wtm == !1) return(2); else if (Rule50Moves(0) > 100) return(2);
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