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Subject: Re: Gandalf 6 UCI has serious bug: stops after 1 hour in infinite analys

Author: Peter Skinner

Date: 10:14:46 12/11/04

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On December 11, 2004 at 12:47:00, Jouni Uski wrote:

>I didn't get any answer to yesterday message yet. I used about 10 hours to
>investigate bug more. And my finding is : after 2^32 nodes Gandalf UCI stops
>totally under Fritz as well as CP GUI! Note, that this can happen in 1 hour
>with fast PC. Another good test position is this:
>
>[D]2r5/2pR1pk1/p1P3p1/P2K4/5P1p/5P1P/8/8 w - -
>
>As CP native I am not sure what happens after 2^32 nodes. Node counter goes to
>0, but may be engine still runs. Note bug in latest Chess Partner interface:
>after 2^31 (not 2^32) nodes nps goes insane .
>
>Jouni

This has been posted here before, and Steen has said this _is_ fixed and will be
included in a patch. When that patch is released is anyone's guess.

Peter



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