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Subject: Re: The Pawn Game revisited...

Author: Edward Seid

Date: 01:43:18 09/21/03

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On September 21, 2003 at 01:00:37, Paul Byrne wrote:

>Anyways, to give you an idea how solvable this game is or isn't,
>I left it running on this position last night:
>
>[D]8/1pppppp1/8/p6p/P6P/8/1PPPPPP1/8 w - - 0 3
>
>with this result:
...
>mv=e4 e=273 d=24 n=1318190910 t=13610.508
>mv=e4 e=9969 d=25 n=-1677339015 t=26967.618
>
>So about 7.5 hours to solve this.

So according to this result, after 7.5 hours, 25 ply and 1.67 billion nodes, e4
wins in this position?  Are you 100% certain that e4 wins, or is there a chance
that a refutation exists at a deeper ply?  And by symmetry, I guess d4 wins
also?
Was the engine that produced this result using the 100x speedup trick?



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