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Subject: Re: Hard3 set , good score by Hiarcs 10 (1h20 /pos)

Author: Vincent Lejeune

Date: 15:21:59 01/01/06

Go up one level in this thread


On January 01, 2006 at 12:22:54, Vincent Lejeune wrote:

>On January 01, 2006 at 10:49:38, Joachim Rang wrote:
>
>>On January 01, 2006 at 07:35:37, Vincent Lejeune wrote:
>>
>>
>>>7)hard3	0:00:01	Rc2 is find very quickly but only with 0.02 score, I should run
>>>this one longer to see when the engine understand the position (>3 score).
>>
>>
>>>2k1r3/3q4/8/8/8/8/5RK1/6Q1 w - -;bm  Rc2+
>>
>>asccording to Nalimov EGTBs in the above position Rc2+ as well as Qc1 and Qf1
>>draw and all other moves loose. I don't think this is an intersting or hard
>>testposition.
>>
>>Joachim
>
>Thanks , it is study I copied from a book some years ago (see :
>http://chessprogramming.org/cccsearch/ccc.php?art_id=95553 )
>4.Qd4 was probably the drawing move overlooked by all, can you confirm this,
>please ?
>
>[Event "?"]
>[Site "?"]
>[Date "????.??.??"]
>[Round "?"]
>[White "Nouvelle partie"]
>[Black "?"]
>[Result "*"]
>[SetUp "1"]
>[FEN "2k1r3/3q4/8/8/8/8/5RK1/6Q1 w - - 0 1"]
>[PlyCount "8"]
>
>1. Rc2+ Kb8 2. Rb2+ Ka8 3. Qa1+ Qa7 4. Qh1 Qd4 *


Ok, I found the response here : http://www.k4it.de/index.php?topic=egtb&lang=en
This study was faulty, computer endgame perfection punish weak human again ...



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