Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Testposition - Schröder's Beauty

Author: Steffen Jakob

Date: 23:29:45 03/05/01

Go up one level in this thread


On March 05, 2001 at 16:51:06, Robert Hyatt wrote:

>On March 05, 2001 at 16:05:46, Sune Larsson wrote:
>
>>
>>  [D]8/8/4pk1B/8/5K1N/p7/8/8 w - - 0 1
>>
>>  Schröder 19??
>>
>>  Well, Mr Schröder seems to be a man of many talents. This is a very
>>  nice position, made in his youth I think. ;) Black is about to promote
>>  and the white pieces sort of step on eachother's toes. But there is
>>  a way for white to draw. A stunning resource that shows the beauty
>>  of chess. Rebel might prove good at this one...;)
>>
>>
>>  Test: White to move and draw. The quicker the better.
>>        Solution further down.
>>
>>
>>  Sune
>>
>
>I tried this two ways.  With EGTBs turned on, it sees 0.00 instantly as
>after Nf5 and the knight is taken, it is a 5 piece ending.  Without egtbs,
>crafty still gets the move instantly, but now doesn't say draw.  It says -1.19
>after 21 plies.  But it does play the same move as with egtbs...

I bet without tablesbases crafty wants to underpromote because then there is no
stalemate but a draw position where black is a pawn up. At least that is what
Hossa sees if I disable the tablebases :-)

Greetings,
Steffen.



This page took 0.01 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.