Author: Andrew Dados
Date: 16:05:36 06/20/00
Go up one level in this thread
On June 20, 2000 at 07:29:12, Mike Curtis wrote: >On June 20, 2000 at 04:51:39, Tony Werten wrote: > >>On June 20, 2000 at 04:48:05, James Robertson wrote: >> >>>On June 20, 2000 at 04:44:57, Tony Werten wrote: >>> >>>>On June 20, 2000 at 03:50:36, James Robertson wrote: >>>> >>>>>On June 20, 2000 at 03:09:49, Tony Werten wrote: >>>>> >>>>>>On June 19, 2000 at 19:54:39, James Robertson wrote: >>>>>> >>>>>>>On June 19, 2000 at 19:48:36, Larry Griffiths wrote: >>>>>>> >>>>>>>>I have found bitboards to be an even trade-off on my Pentium system. I have to >>>>>>>>update about 6 bitboards when a piece moves and this generates a lot of >>>>>>>>instructions. I get it back in my IsKingInCheck code so it evens out. >>>>>>> >>>>>>>While detecting check is faster with bitboards if you have many pieces on the >>>>>>>board, I think it is actually slower in endgame positions. :( >>>>>> >>>>>>I don't understand this. I have written it before but here it is again. You only >>>>>>have to look at the to and from square of the last move. >>>>> >>>>>I do not understand.... could you please elaborate? >>>> >>>>Sure, >>>> >>>>If you exclude a rochade, a check can only occur in 2 ways. And what about En Passant? (I use similar code, so... :) >[D]8/5p1k/8/6P1/8/3B3K/8/8 b - - now black moves f7-f5, white goes gxf+... -cheers- Andrew [snip]
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