Author: Ed Schröder
Date: 06:49:59 09/18/01
Go up one level in this thread
On September 18, 2001 at 07:41:44, Uri Blass wrote: >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 > >Note that 2 positions when Rebel failed and Deep Fritz also cannot solve them >are not about king safety but about evaluating passed pawns. > >1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - - id Olafsson - Unzicker; bm d6f6; >3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - - id Panov - Taimanov; bm a1a6; > >Uri You are right about these 2 positions, these 2 will move to my end-game database. I am totally in love with the Olafsson - Unzicker fragment, what a beauty is that! and I wonder how many years it will take before computers are able to find it! Ed
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