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Subject: Re: late move reductions (and another question)

Author: Robert Hyatt

Date: 13:05:06 03/01/06

I am still using my old 12-bit history index <to><from> to index into these new
values.  I also still maintain one for white and one for black.  I once tried a
17 bit index <piece><to><from> but it offered no improvement to the basic
history heuristic, but I have not tested that with this reduction stuff.

Any ideas what others are doing here?  I can think of several possibilities:

<piece><to>

<piece><from>

<to><from> (I am doing this now)

<piece><to><from>

to name at least 4.  First two seem too simplistic.  Last one turns the history
tables into pretty good sized arrays (2^17 for white, ditto for black).

Note that I am essentially factoring in wtm already since I have two separate
sets of history tables for black and white.

Re: late move reductions (and another question) Tony Werten 23:14:56 03/01/06
- Re: late move reductions (and another question) Robert Hyatt 21:36:19 03/02/06
  - Re: late move reductions (and another question) Tony Werten 23:42:48 03/02/06
    - Re: late move reductions (and another question) Robert Hyatt 11:06:12 03/03/06
      - Re: late move reductions (and another question) Chan Rasjid 15:26:47 03/04/06
        
        Re: late move reductions (and another question) Robert Hyatt 17:12:47 03/04/06
        
        why not history[from+piece12][to] ? Chan Rasjid 02:31:05 03/05/06
        
        Re: why not history[from+piece12][to] ? Robert Hyatt 07:13:59 03/05/06
        
        Re: late move reductions (and another question) Chan Rasjid 00:04:43 03/05/06
      - Re: late move reductions (and another question) Tony Werten 14:01:40 03/03/06
        
        Re: late move reductions (and another question) Robert Hyatt 16:43:59 03/03/06
Re: late move reductions (and another question) Dezhi Zhao 22:08:47 03/01/06
- Re: late move reductions (and another question) Robert Hyatt 08:43:20 03/02/06
  - Re: late move reductions (and another question) Klaus Friedel 12:12:14 03/03/06
  - Re: late move reductions (and another question) Dezhi Zhao 09:15:05 03/02/06
    - Re: late move reductions (and another question) Tony Werten 23:52:15 03/02/06
      - Re: late move reductions (and another question) Dezhi Zhao 05:26:43 03/03/06
Re: late move reductions (and another question) Jarkko Pesonen 16:11:15 03/01/06
- Re: late move reductions (and another question) Robert Hyatt 16:54:20 03/01/06
  - Re: late move reductions (and another question) Rémi Coulom 02:46:06 03/02/06
    - Re: late move reductions (and another question) Robert Hyatt 08:45:14 03/02/06
      - Re: late move reductions (and another question) Alessandro Scotti 10:08:00 03/02/06
        
        Re: late move reductions (and another question) Robert Hyatt 11:50:55 03/02/06
        
        Re: late move reductions (and another question) Mikael Bäckman 00:42:22 03/03/06
        
        Re: late move reductions (and another question) Alessandro Scotti 13:40:45 03/02/06
        
        Re: late move reductions (and another question) Dezhi Zhao 12:00:42 03/02/06
        
        Re: late move reductions (and another question) Robert Hyatt 13:35:17 03/02/06
        
        Re: late move reductions (and another question) Tony Werten 23:48:04 03/02/06
        
        Re: late move reductions (and another question) Robert Hyatt 11:07:48 03/03/06
        
        Re: late move reductions (and another question) Gerd Isenberg 12:15:57 03/03/06
        
        Re: late move reductions (and another question) Tord Romstad 06:46:12 03/03/06
        
        Re: late move reductions (and another question) Tony Werten 09:20:43 03/03/06
        
        Re: late move reductions (and another question) Tord Romstad 10:05:18 03/03/06
        
        Re: late move reductions (and another question) Robert Hyatt 13:12:05 03/03/06
        
        Re: late move reductions (and another question) Robert Hyatt 13:01:12 03/03/06
        
        Re: late move reductions (and another question) Tony Werten 13:08:50 03/03/06
        
        Re: late move reductions (and another question) Tord Romstad 13:22:41 03/03/06
        
        Re: late move reductions (and another question) Tony Werten 14:07:23 03/03/06
        
        Re: late move reductions (and another question) Robert Hyatt 14:04:06 03/03/06
        
        Re: late move reductions (and another question) Tord Romstad 14:41:28 03/03/06
        
        Re: late move reductions (and another question) Uri Blass 10:22:53 03/03/06
        
        Re: late move reductions (and another question) Robert Hyatt 13:13:39 03/03/06
        
        Re: late move reductions (and another question) Uri Blass 15:59:33 03/03/06
        
        Re: late move reductions (and another question) Robert Hyatt 16:47:49 03/03/06
        
        Re: late move reductions (and another question) Uri Blass 17:11:03 03/03/06
  - Re: late move reductions (and another question) Robert Hyatt 17:00:40 03/01/06
    - Re: late move reductions (and another question) Jarkko Pesonen 23:32:22 03/01/06
    - Re: late move reductions (and another question) Tony Werten 23:19:04 03/01/06
      - Re: late move reductions (and another question) Robert Hyatt 08:50:56 03/02/06
        
        Re: late move reductions (and another question) Paul Clarke 11:14:15 03/02/06
        
        Re: late move reductions (and another question) Robert Hyatt 11:52:47 03/02/06
        
        Re: late move reductions (and another question) Uri Blass 18:23:13 03/02/06
Re: late move reductions (and another question) Gerd Isenberg 13:56:42 03/01/06
- Re: late move reductions (and another question) Gerd Isenberg 15:25:24 03/01/06
  - Re: late move reductions (and another question) Robert Hyatt 16:52:09 03/01/06
    - Re: late move reductions (and another question) Gerd Isenberg 22:41:01 03/01/06
      - Re: late move reductions (and another question) Robert Hyatt 08:51:46 03/02/06

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