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Subject: Re: Simple questions about bitboards

Author: Tord Romstad

Date: 02:07:29 09/21/03

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On September 21, 2003 at 03:59:04, Ricardo Gibert wrote:

>Another reason I don't like BB's is it is just an accident that it is a good fit
>with western chess e.g. when you complete your BB program, try converting it to
>play Shogi (9x9 board) or Chinese chess (9x10 board).

I am also not very fond of BBs (although I may give them a try when I get a
PowerMac G5),
but I disagree with this objection.  BBs should work fine for shogi and xiangqi.
 You simply
use 96-byte integers instead of 64-byte integers.  Of course BBs will be
slightly slower
for boards bigger than 64 squares, but the same is true for all other board
representations.

I even think I read about a BB based xiangqi program recently, probably in rgcc.

Tord



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