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Subject: Re: Academic question then ...

Author: Dieter Buerssner

Date: 12:47:11 11/21/02

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On November 21, 2002 at 12:25:19, GuyHaworth wrote:

I think, already 4-1 TBs are rather academic. Are there really any interesting
positions, that could help a chess engine in play? I can see, that they may show
a mate score faster.

A cite of Eugene Nalimov in probe.txt available from Robert Hyatt's ftp:

---
   - T41_INCLUDE - if you want to probe any 5-man 4+1 table (e.g. KPPPK);
                   if you will not ever probe those tables (I suppose
                                                            ^^^^^^^^^
                   most chess program will never do that), you can save
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                   some space by not including corresponding code and
                   enumeration tables;
---

Perhaps I misunderstand this, but to me it seems, he thinks, that 4-1 tables are
not too useful (only of academic use?).

May be, it would be possible to construct 6-men positions (or more) where
engines go wrong, without 4-1 men TBs. If yes, I really would be interested.
In 5-men positions, it seems very difficult to imagine such a case (but miseval
of the pos certainly will be possible).

Regards,
Dieter



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