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Subject: Re: What approach do you use to handle castling/en passant for repetition?

Author: Tom Kerrigan

Date: 00:25:09 02/28/00

On February 27, 2000 at 18:00:32, Robert Hyatt wrote:

>I don't believe this can be safely overlooked, because the wrong repetition
>value is a tiny part of a much bigger problem, that of not correctly hashing
>positions...  the former may not happen often.  The latter happens thousands
>of times every search.  Often enough that it will _definitely_ affect the
>root score enough to make a difference.

I would like to see some numbers to back up your argument.

-Tom

Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 05:49:06 02/28/00
- Re: What approach do you use to handle castling/en passant for repetition? Tom Kerrigan 06:17:48 02/28/00
  - Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 10:51:25 02/28/00
    - Re: What approach do you use to handle castling/en passant for repetition? Tom Kerrigan 13:20:21 02/28/00
      - Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 13:53:45 02/28/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Tom Kerrigan 08:34:53 02/29/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 14:56:25 02/29/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Tom Kerrigan 02:19:38 03/01/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Peter Kappler 09:31:52 03/01/00
        
        Re: What approach do you use to handle castling/en passant for repetition? blass uri 11:31:40 03/01/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 15:26:44 03/01/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Michael White 06:13:16 03/03/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Michael White 09:20:07 03/03/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Daniel Clausen 12:55:39 03/01/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 15:32:33 03/01/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 05:56:39 03/01/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Tom Kerrigan 08:37:22 02/29/00
        
        Re: What approach do you use to handle castling/en passant for repetition? William Bryant 14:04:13 02/28/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 19:02:27 02/28/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Bruce Moreland 17:28:56 02/28/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 19:04:05 02/28/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Dann Corbit 19:33:18 02/28/00
        
        Re: PGN (inc. FEN, EPD) being revised? Dave Gomboc 00:28:07 02/29/00
        
        Some thoughts about *not hashing* ep at all.... Andrew Dados 18:28:28 02/28/00
        
        Re: Some thoughts about *not hashing* ep at all.... Robert Hyatt 19:10:56 02/28/00
        
        Re: Some thoughts about *not hashing* ep at all.... Andrew Dados 19:48:25 02/28/00
        
        Re: Some thoughts about *not hashing* ep at all.... Robert Hyatt 14:57:51 02/29/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Daniel Clausen 15:01:44 02/28/00
      - Re: What approach do you use to handle castling/en passant for repetition? Eugene Nalimov 13:28:58 02/28/00
        
        Re: What approach do you use to handle castling/en passant for repetition? Andrew Dados 14:22:41 02/28/00
    - Re: What approach do you use to handle castling/en passant for repetition? Robert Hyatt 10:53:36 02/28/00

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