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Subject: Re: Test Position. Hard pawn endgame

Author: Gareth McCaughan

Date: 17:15:16 09/29/01

José Carlos wrote:

>  The point is not the move, but the eval. The program must
> know white is winning:
>
> [D]R4rk1/5pp1/5q1p/1p1Qp3/8/1B6/1PP2bPP/5K2 w - - 0 1
>
>  Qxf7+ and after the changes, the pawn ending is won.

Crafty 18.11, Athlon 1GHz, has +0.8 after 0.4 seconds (8 ply),
rising to 0.93 after 11 seconds, 1.17 after 28 seconds, 1.36
after 6 minutes. It plays Qxf7+ at all depths.

--
g

Re: Test Position. Hard pawn endgame José Carlos 03:15:44 09/30/01
- Re: New Test (was Test Position. Hard pawn endgame) Miguel A. Ballicora 07:39:50 09/30/01
  - Re: New Test (was Test Position. Hard pawn endgame) Roy Eassa 14:14:38 09/30/01
    - Re: New Test (was Test Position. Hard pawn endgame) Miguel A. Ballicora 16:18:53 09/30/01
      - Re: New Test (was Test Position. Hard pawn endgame) Dieter Buerssner 12:02:35 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Miguel A. Ballicora 07:53:06 10/02/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Dieter Buerssner 09:35:41 10/02/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 08:16:34 10/02/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Miguel A. Ballicora 11:48:38 10/02/01
      - Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 09:09:27 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Miguel A. Ballicora 11:52:03 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 12:51:17 10/01/01
  - Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 08:12:47 09/30/01
    - Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 09:11:51 10/01/01
      - Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 09:30:44 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) José Carlos 09:37:09 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 09:53:09 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) José Carlos 10:47:56 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 11:23:16 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 11:33:29 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 10:31:11 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 11:28:35 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 12:06:21 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 13:20:44 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 13:50:47 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 14:34:19 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 14:38:23 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 15:43:59 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 20:50:46 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 21:49:54 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Dave Gomboc 22:30:09 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 22:38:36 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) José Carlos 06:14:24 10/02/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Uri Blass 06:26:59 10/02/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 09:06:54 10/02/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Roy Eassa 14:52:00 10/01/01
        
        Re: New Test (was Test Position. Hard pawn endgame) Robert Hyatt 20:52:02 10/01/01
    - Re: New Test (was Test Position. Hard pawn endgame) Miguel A. Ballicora 16:27:41 09/30/01
- Re: Test Position. Hard pawn endgame Uri Blass 03:25:24 09/30/01
  - Re: Test Position. Hard pawn endgame José Carlos 06:28:09 09/30/01
    - Re: Test Position. Hard pawn endgame Robert Hyatt 13:59:02 10/01/01
      - Re: Bitboards versus other representations Roy Eassa 14:59:03 10/01/01
        
        Re: Bitboards versus other representations Robert Hyatt 20:55:03 10/01/01

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