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Subject: Re: Rough comparison between rotated bitboards and 0x88

Author: Larry Griffiths

Date: 16:48:36 06/19/00

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.  I like
to have fast move generation code, but most of my gains have been through
alpha-beta, hash-table, killer-move and movelist ordering etc.

Larry.

Why bitboards at all? John Coffey 17:50:11 06/19/00
- Re: Why bitboards at all? Robert Hyatt 18:32:56 06/19/00
  - Re: Why bitboards at all? Tom Kerrigan 11:07:39 06/20/00
    - Re: Why bitboards at all? Robert Hyatt 12:03:48 06/20/00
      - Re: Why bitboards at all? Tom Kerrigan 12:52:53 06/20/00
        
        Re: Why bitboards at all? Robert Hyatt 18:39:01 06/20/00
        
        Re: Why bitboards at all? Tom Kerrigan 10:33:14 06/21/00
        
        Re: Why bitboards at all? Robert Hyatt 18:56:25 06/21/00
        
        Re: Why bitboards at all? Tom Kerrigan 10:47:12 06/22/00
        
        Re: Why bitboards at all? Robert Hyatt 11:03:08 06/22/00
        
        Re: Why bitboards at all? Christophe Theron 11:38:23 06/21/00
        
        Re: Why bitboards at all? Tom Kerrigan 11:52:34 06/21/00
        
        Re: Why bitboards at all? Robert Hyatt 14:16:05 06/21/00
        
        Re: Why bitboards at all? Tom Kerrigan 16:14:24 06/21/00
        
        Re: Why bitboards at all? Robert Hyatt 18:51:01 06/21/00
        
        Re: Why bitboards at all? Tom Kerrigan 10:40:46 06/22/00
        
        Re: Why bitboards at all? Robert Hyatt 11:04:40 06/22/00
        
        Re: Why bitboards at all? Tom Kerrigan 12:16:12 06/22/00
        
        Re: Why bitboards at all? Landon Rabern 12:22:08 06/22/00
        
        Re: Why bitboards at all? Ed Schröder 22:06:43 06/21/00
        
        Re: Why bitboards at all? Robert Hyatt 05:41:18 06/22/00
        
        Re: Why bitboards at all? Ed Schröder 08:10:25 06/22/00
        
        Re: Why bitboards at all? Eugene Nalimov 08:28:39 06/22/00
        
        Re: Why bitboards at all? Tom Kerrigan 10:24:46 06/22/00
        
        Re: Why bitboards at all? Eugene Nalimov 11:08:57 06/22/00
        
        Re: Why bitboards at all? Robert Hyatt 11:06:52 06/22/00
        
        Re: Why bitboards at all? Eugene Nalimov 11:14:01 06/22/00
        
        Re: Why bitboards at all? John Coffey 16:46:22 06/22/00
        
        Chess Skill in Man and Machine John Coffey 16:53:43 06/22/00
        
        Re: Chess Skill in Man and Machine Bruce Moreland 23:16:47 06/22/00
        
        Re: Chess Skill in Man and Machine John Coffey 09:50:40 06/23/00
        
        Re: Chess Skill in Man and Machine Robert Hyatt 10:32:42 06/23/00
        
        Scalable Search in Computer Chess John Coffey 16:58:49 06/22/00
        
        Re: Scalable Search in Computer Chess Ernst A. Heinz 16:47:35 06/23/00
        
        Re: Scalable Search in Computer Chess Flemming Rodler 17:59:24 06/22/00
        
        Re: Why bitboards at all? Eugene Nalimov 22:53:30 06/21/00
        
        Re: Why bitboards at all? Ed Schröder 00:14:56 06/22/00
        
        Re: Why bitboards at all? Tom Kerrigan 10:30:51 06/22/00
        
        Re: Why bitboards at all? Eugene Nalimov 00:43:53 06/22/00
        
        Re: Why bitboards at all? Dave Gomboc 13:57:01 06/21/00
Re: Rough comparison between rotated bitboards and 0x88 James Robertson 16:54:39 06/19/00
- Re: Rough comparison between rotated bitboards and 0x88 Tony Werten 00:09:49 06/20/00
  - Re: Rough comparison between rotated bitboards and 0x88 James Robertson 00:50:36 06/20/00
    - Re: Rough comparison between rotated bitboards and 0x88 Tony Werten 01:44:57 06/20/00
      - Re: Rough comparison between rotated bitboards and 0x88 Dave Gomboc 19:44:14 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 Peter Kappler 19:53:40 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 Tony Werten 02:03:49 06/22/00
        
        Re: Rough comparison between rotated bitboards and 0x88 José Antônio Fabiano Mendes 10:21:59 06/21/00
      - Re: Rough comparison between rotated bitboards and 0x88 James Robertson 01:48:05 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 Bas Hamstra 02:19:36 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 James Robertson 11:46:59 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 Bas Hamstra 01:46:42 06/21/00
        
        Re: Rough comparison between rotated bitboards and 0x88 Tony Werten 01:51:39 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 -tests for check Mike Curtis 04:29:12 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 -tests for check Andrew Dados 16:05:36 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 -tests for check James Robertson 11:49:44 06/20/00
        
        Re: Rough comparison between rotated bitboards and 0x88 -tests for check Tony Werten 04:55:20 06/20/00

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