Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Pawn endgame test position......

Author: Rafael Andrist

Date: 12:24:52 03/29/02

Go up one level in this thread


On March 29, 2002 at 14:25:36, Dan Wulff wrote:

>Hi People!
>
>[D]8/1k6/p4p2/2p2P2/p1P2P2/2P5/P1K5/8 w - -
>
>This is CCE position 765. The correct move is Kc1.

This position was composed by M.Sinar in 1983. I found it in Averbakhs "Pawn
Endings", where it is position #1983.

The solution according to Sinar is:
1.Kc1! Kc7 2.Kd1! Kd7 3.Ke1 Kc7 4.Kf2 Kd8 5.Ke2 Ke8 6.Kd3 Kd7 7.Ke3 Kd6 8.Ke4
(forcing a pawn move) a3 9.Kd3 a5 10.Kc2! a4

Now the position is blocked up completely:
[D]8/8/3k1p2/2p2P2/p1P2P2/p1P5/P1K5/8 w - - 0 11

This one is now won for sure

11.Kd2! Kc7 12.Kd3 Kc6 13.Ke2 Kd6 14.Kf2 Kd7 15.Ke3 Ke7 16.Kf3 +-

Please note that Sinar composition are not always correct, I've discovered
errors in other ones, so I'm sceptical.

My chess program Wilhelm, which has special knowledge for this kind of position
cannot find a winning line.

regards
Rafael B. Andrist



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.