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Subject: Re: Longest game between [COMPUTERS] {was humans} Can you top it?

Author: Marc Plum

Date: 14:13:08 07/14/99

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On July 14, 1999 at 16:31:49, Robert Hyatt wrote:

>On July 14, 1999 at 12:21:35, Dann Corbit wrote:
(275 mover snipped)
>Or this:
(316 mover snipped)
>I have more such games...  and notice that this one is vs a human, not another
>computer...

Thanks gentlemen.  Actually, my original question was about the ability of
different programs to handle games/game scores of this length, not the longest
game that had actually been played. For example, when I loaded the PGN of the
275 move game into various programs, only Winboard 4.02, Nimzo99 and CM6000 were
able to play through the entire game.  MCP7, REBEL 10, HIARCS 7.01, and
ChessBase 6.01 all failed in different ways.  HIARCS, for example, only gave the
moves from 156 to 275.

With the 316 mover, Nimzo99 cut off at move 300.  It gave the remaining moves as
a sort of text note, without move numbers, and would not play through them on
the board (CB6.01 had the same symptom, but the cutoff was move 255).  Winboard
and CM6K were still able to handle the whole game.

How many programs out there can handle a game of unlimited length?  If none,
what is the upper limit for the number of moves that can theoretically be
handled by any program?

Marc



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