Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Testposition - Tactics

Author: Sune Larsson

Date: 02:09:30 06/22/01

Go up one level in this thread


On June 21, 2001 at 21:55:51, Dieter Buerssner wrote:

>On June 21, 2001 at 17:15:59, Sune Larsson wrote:
>
>> 4k2r/rp5p/pR4p1/4qp2/3pp1PQ/8/2P4P/R5K1 w k - 0 28
>[...]
>>  Test 1: Can your program find the move 28.Ra5!! - evals?
>
>Yace cannot find this within 5 minutes
>
>>  Test 2. After 28.Ra5!! Qxa5 can your program find 29.Qf6! - evals?
>
>Neither this. After 29. Qf6 I get the following:
>
>     nodes  time    score depth
>  10633446  1:32.0  11.97 10.  29...Qe1+ 30.Kg2 Qe2+ 31.Kg1 Qxg4+ 32.Kf1 Qd1+
>                               33.Kg2 Qxc2+ 34.Kh3 Qd3+ 35.Kh4 {980}

>score is obviously from the point of view of the side to move (black).



 Yes, and in your line above - after 33.-Qxc2 34.Kg1 Qd1+ 35.Kg2 the present
 GM opinion is that white´s threats are so strong that black has to be contempt
 with perpetuals.

 Sune


>
>When I do the suggested moves, the scores "approach" zero with time. E.G. after
>more then ten moves, the score is around 3 (I have done all the suggested moves
>after rather short time - few second). I have no hope, that Yace would
>understand this with any reasonable time. Only at move 49, Yace shows
>drawing score fast (=within seconds).
>
>Regards,
>Dieter



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.