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Subject: Re: perpetual check (or not!)

Author: Harald Faber

Date: 22:21:34 03/19/00

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On March 19, 2000 at 09:22:02, Frank Schneider wrote:

>Hi all,
>
>here are two testpositions, one where there is a perpetual check (1. Rg5+) and
>one, slighlty modified, where the perpetual check is no longer possible.
>Which program sees a draw in the first position but not in the 2nd?
>
>Frank
>
>
>Pos 1:
>[D]r7/8/4p3/5b1k/3p3r/Np6/1P4R1/K5R1 w - -
>
>Rg5+ draws by perpetual check (or stalemate)

Athlon 500:
The King 2.55, active, sel.8: 2sec
Fritz6a 21sec
Hiarcs7.32 >14min
Nimzo7.32 >10min
Junior6a >10min





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