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Subject: Re: Big Book Of Combinations - Ikarus 0.18

Author: Jouni Uski

Date: 05:08:23 09/18/01

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On September 18, 2001 at 07:23:42, Ed Schröder wrote:

>On September 18, 2001 at 06:26:05, Uri Blass wrote:
>
>>On September 18, 2001 at 04:38:32, Steve Maughan wrote:
>>
>>>The much underestimated Ikarus 0.18 does well with 27 / 42 at 10 m / m.  Not bad
>>>at all!
>>
>>I believe that the test is not a good test to test tactical ability because I
>>see often cases when programs find the move for positional reasons when there is
>>almost no difference in the score between the move that the programs find and
>>the previous best move.
>>
>>I do not say that there is no tactics but the tactics is simply too deep in part
>>of the cases and programs may find the right move in few seconds when they need
>>a long time to find a big difference between the evaluation of the best move and
>>the evaluation of the second best move.
>>
>>I read that Hiarcs is more materialistic than other programs and I also know
>>that it is considered to be weak in king sefety's evaluation and it can explain
>>the fact that it could not solve a lot of positional problems (from computer's
>>point of view) in the test suite.
>>
>>Uri
>
>
>It depends of course what you want to test. This set is about king safety and
>search. In theory everything can be solved by search. If you can search 200
>plies deep there is no need to build chess knowledge into a chess program.
>Since it is impossible to search 200 plies you need chess knowledge. That's
>why for me this set was a welcome contribution to test Rebel's king satefy as
>it offered me new (and good) king safety material.
>
>There is no final test-set, never will.
>
>Ed

Hi Ed. Can You explain how You can use this set to king safety? I think in most
positions King is already doomed - do You check Rebel's evaluation without
search or what?

Jouni



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