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Subject: Re: Big Book Of Combinations - Ikarus 0.18

Author: Ed Schröder

Date: 04:23:42 09/18/01

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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



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