Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: To bitboard or not to bitboard?

Author: Tord Romstad

Date: 08:30:47 09/01/03

Go up one level in this thread


On September 01, 2003 at 11:23:07, Uri Blass wrote:

>On September 01, 2003 at 10:37:41, Tord Romstad wrote:
>>Of course, I never use all the 4 entries in ks_storm[] and qs_storm[]
>>simultaneously in my evaluation function.  If the kings are castled to
>>the same side, I ignore all the values.  If white has castled queenside
>>and black kingside, I use ks_storm[WHITE] and qs_storm[BLACK].
>
>This mean that you may evaluate the same position in a different way because the
>same position that happened after castling may happen also when the sides only
>moved the king and the rook without castling.

This cannot happen.  I was a bit imprecise, I don't consider whether
black or white has castled, but just the position of the kings.

Tord



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.