Author: blass uri
Date: 07:46:01 11/19/99
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On November 19, 1999 at 06:29:39, Alexander Kure wrote: >Hi, > >There were some postings recently about Nimzo 7.32's handling of simple standard >engames like KR-K, KBB-K, KBN-K where Nimzo 7.32 was not able to deliver mate. >Well, the reason is quite simple: As long as the 3 and 4 piece endgame >tablebases are installed and properly loaded when starting Nimzo 7.32, he will >have no problem to mate. Now the question is what happens to Nimzo when >confronted with these kind of endings where he has no access to endgame >tablebases at all? The answer is quite simple: *All* endgame code regarding >these endgames was removed from Nimzo 7.32. What is the reason for removing this knowledge? I think that there is an advanatge for not removing this knowledge because you can save space in the tablebases and use tablebases of only results without the distance to mate in the case of these endgame(and the same for other endgames like KQR vs KP). Uri So when deprived of access to 3 and >4 endgame tablebases he has *absolutely* no idea what to do as there is no code >in the evaluation to tell him what to do! >Of course one can argue that this is nonsense and Nimzo 7.32 were to keep his >endgame knowledge no matter if he uses endgame tablebases or not, but in the age >of tablebases it seems not necessary anymore. >You can test this with Nimzo'99, who still has this code and who has no problem >to mate KR-K, KBB-K and KBN-K. >So instead of using Hiarcs 7.32 as your alternative endgame engine maybe you >could give Nimzo'99 a try ;-) > >Greetings >Alex
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