Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Hiarcs 7.32 unable to see mate in its evaluation

Author: Paulo Soares

Date: 00:35:22 07/19/99

Go up one level in this thread


On July 18, 1999 at 16:21:27, Laurence Chen wrote:

>As I was practicing my chess tactics with CT-ART 3.0, position #540 caught my
>attention. Below is the FEN of the position. My chess engines were unable to
>find the best move 1. Nxe6!, and what was even more incredible was the fact
>after playing the move 1. Nxe6!, Hiarcs 7.32 insists in playing the blunder move
>1. ... Rxc4 ??? which allows White to mate in 6 with 2. Nh6+!. Fritz 5.32 and
>Junior 5 have no problem to see that 1. ... Rxc4 ??? is a terrible blunder which
>leads to mate. Even Chessmaster 6000 was unable to find the best move 1. Nxe6!,
>yes, I noticed that CM 6000 selects the move as one of the choices after 15
>secs, however, it changes its evaluation and selects 1. Nf5 again when allowed
>to think a little longer, after 45 secs. So that does not count as being able to
>find the solution because the engine changed its mind. Getting back to Hiarcs
>7.32, after making the blunder move 1. ... Rxc4???, Hiarcs 7.32 is then able to
>see the mate in 6 after 2 minutes of evaluation. It makes me wonder why Hiarcs
>7.32 is not able to see mate in its evaluation. My computer was a Pentium 233,
>128MB of hashtable was used for all engines, with exception of CM6000, 16 MB of
>hashtable. And don't say that CM6000 needs more RAM, because that's a very lame
>excuse.
>
>1nr3k1/1q1nbppp/p3p3/8/2RNP1N1/1P2QPP1/1B4KP/8 w - - 0 1
>
>
>Laurence

Laurence, I analysed this position, with the aid of H7.32
for 1 hour, and I believe that 1. Nf5! is better than 1. Nxe6,
because I obtain a strong attack in king's side.
CT-ART 3.0 does the continuation for 1.Nxe6 ?

Paulo Soares, from Brazil



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.