Author: Uri Blass
Date: 17:38:46 01/04/01
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On January 04, 2001 at 15:29:14, Vincent Diepeveen wrote: >On January 04, 2001 at 15:15:55, Jeroen Noomen wrote: > >>On January 04, 2001 at 13:15:52, Ernst Walet wrote: >> >>Hi Ernst, >> >>Yes, I prepared a lot against Van der Wiel, but today's line I didn't expect.... >>This is not such a problem, as Rebel uses EOC and I think it got a decent >>position after the opening. >> >>The real problem in this game was, to evaluate the pin on Knight a2. White had a >>good position, but failed to do something at its biggest problem: To activate >>the rook on a1 and the knight on a2. This hasn't got to do with 'being out of >>book by move 3'. > > > >>As I explained earlier, it is impossible to cover all lines like this. If a >>program fails to take advantage of a move like 3 ... a6?! this is because it has >>not enough knowledge how to punish this. People often blame the opening book, >>but I think it has to do with pure chess knowledge. Chess programs are not able >>yet to punish anti computer strategies. > > >Exactly chessknowledge is what programs need. >Diep has pins in evaluation. I know that Rebel has also pins in the evaluation. The latest commercial version of Century like previous versions has a parameter that is called pins. The default value is 100 and you can change it by defining a different personality. Uri
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