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Subject: Test position for PDA or slower/weaker PC (and for human!)

Author: Roy Eassa

Date: 14:46:35 11/18/02

White to move and win:

[d] 8/6N1/K2k3B/4p3/8/p7/2PP4/8 w - - 0 1

This is from Pal Benko, an improvement on a study by L. Kubbel.  It was in the
current issue of Chess Life magazine.

How long until your program sees the entire win, at least up to and including
White's 5th move?

Strong programs like Fritz on a modern PC will get this one very quickly.  But I
think it's an interesting puzzle for humans and for weaker PCs/programs or for
handhelds.

On my 66 MHz Sony Clie (Palm OS), it took Chess Tiger about 39 or 40 seconds to
see the full win (it saw the correct first move and thought White was winning
several times before that, but the lines it saw would actually have LOST for
White had any of them been played).

• Re: Test position for PDA or slower/weaker PC (and for human!) Roy Eassa 15:40:58 11/18/02
  • Re: Test position for PDA or slower/weaker PC (and for human!) John Merlino 21:26:11 11/18/02
    • Re: Test position for PDA or slower/weaker PC (and for human!) Jorge Pichard 21:54:54 11/18/02
      • Re: Test position for PDA or slower/weaker PC (and for human!) Uri Blass 23:24:01 11/18/02
        • Re: Test position for PDA or slower/weaker PC (and for human!) Uri Blass 23:25:41 11/18/02
          • Re: Test position for PDA or slower/weaker PC (and for human!) Jorge Pichard 01:38:42 11/19/02
            • Re: Test position for PDA or slower/weaker PC (and for human!) Roy Eassa 07:37:03 11/19/02
  • Re: Test position for PDA or slower/weaker PC (and for human!) Dieter Buerssner 16:17:36 11/18/02

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