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Subject: Re: Ruffian 1.0.0 can't mate with KR v K??

Author: Severi Salminen

Date: 06:44:11 09/26/02

Go up one level in this thread

>Ruffiah seams to be a modern engine. It uses the null-move heuristic heavily.
>Since the endgame is all about zugzwang it is no surprise that Ruffian will fail
>to to properly in that area. Tablebases resolve this partially.
>So why don't you use them??
>Showing bad results when you criple the engine dosn't say anything about the
>engine, it says something about the user.

Nullmoves have nothing to do with winning KR-K endings - no zugzwangs involved
at all. The knowledge needed to win many types of basic endings is very easy to
code and works in _many_ positions: drive the opposing king to a corner.

Severi

• Re: Ruffian 1.0.0 can't mate with KR v K?? José de Jesús García Ruvalcaba 11:28:16 09/27/02
  • Second diagram corrected. José de Jesús García Ruvalcaba 11:29:17 09/27/02
• Re: Ruffian 1.0.0 can't mate with KR v K?? Uri Blass 07:14:37 09/26/02

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