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Subject: Re: How to evaluate KQ vs KR?

Author: Tony Werten

Date: 07:57:34 05/04/04

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On May 04, 2004 at 10:55:20, martin fierz wrote:

>On May 04, 2004 at 10:53:44, martin fierz wrote:
>
>>On May 04, 2004 at 10:44:43, Tord Romstad wrote:
>>
>>>When there is little thinking time left, my engine annoyingly often fails to win
>>>KQKR endgames.  Are there any simple but effective eval tricks which can help to
>>>play such endgames well without searching very deeply?
>>>
>>>Tord
>>
>>none really that i know of. of course there are two, but those are obvious, the
>>first is easy, the second is hard: get the defending king to the edge of the
>>board, and if possible, separate king and rook of the defender. but it's tough
>>to win this on knowldege, i would say - humans at least can hardly win against a
>>computer defence, and they are nice examples of chess-playing entities not
>>searching very deeply :-)
>>
>>cheers
>>  martin
>
>umm, forgot one: of course your king has to be close to the defender's king too.
>and i really can't think of anything else, but then i never looked at the theory
>of this endgame. i had to play it once, but for a human player it's pretty
>irrelevant to know about this...

You forgot 1 more: Use tablebases ....

Tony

>
>cheers
>  martin



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