Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Look at this !!(??) move by Crafty 18.14!

Author: Torstein Hall

Date: 11:59:02 03/27/02

Go up one level in this thread


On March 27, 2002 at 12:07:12, Roy Eassa wrote:

>On March 27, 2002 at 09:53:44, Robert Hyatt wrote:
>
>>On March 27, 2002 at 05:28:28, Jouni Uski wrote:
>>
>>>[D]8/B5pp/4k3/P7/6n1/8/P6P/7K b - - 0 41
>>>
>>>Crafty as black played Nxh2!!(??). Yes the game ended draw so the move is
>>>probably correct, but I doubt, that Crafty's evaluation really understand this.
>>>E.g. if white plays a6 then black has no way to a8 square...
>>>
>>>Crafty 18.14 is clever endgame player, but still I am disappointed, when version
>>>17.14 solves 4 positions more in my 40 position endgame test and also 17.14
>>>is on average about 30% faster in all postions!
>>>
>>>Jouni
>>
>>It is just using endgame knowledge to go into a forced draw due to bishop
>>plus wrong rook pawns...
>
>
>Has it been confirmed 100% that 1...Nxh2 is a draw?

The black king can reach the corner where the pawns promote and there is nothing
white can do to get him out of there. So 1...Nxh2 is a confirmed 100% draw.
(Perhaps white could manage to loos if really wanted to!)

Torstein


>It DOES look that way to me, but I haven't read a message that showed proof (the
>original poster seemed to think that 2.a6 might still win -- has that been
>refuted?).



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.