Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: The Draw phenomenon in Computer- human encounters

Author: Gareth McCaughan

Date: 16:07:47 05/07/00

Go up one level in this thread


[Mike Scheidl:]
>Sometimes, when a computer program cannot reach more than a draw, it's more a
>lack of technique, than of creativity (although both term could be used for the
>same situation sometimes). See the following example from a computer game; the
>variation after 49.Qd5+ shows the simple winning idea Gnu didn't find:
>
>[D]3q2k1/3P4/1p1P4/p4Qp1/P6p/1P6/1K6/8 w - - 0 49
...
>I'm not sure that every new top program finds 49.Qd5+ within tournament time.

Crafty 17.6 on my machine chooses Qd5 instantly with a huge eval,
and sticks with it for some time. It's now been thinking about it
for about 7 minutes (and about 55M nodes), and it currently prefers
Kc2, still with a huge eval.

After giving another 8 minutes or so to the position after Qd5+,
it looks like that still wins handily; just not with quite such
a huge evaluation...

--
g



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.