Author: Peter Kasinski
Date: 13:15:31 01/04/01
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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'. > I agree. The position after move 21 is probably better for White despite it having played "wihtout a book". A series of pintless moves by White queen allowed Black to _laboriously_ set up the exchange of bishops, and thus get rid of its only real liability. Rebel clearly preferred to exchange bishops rather than queens in this position - which I think may be related to an its overly optimistic evaluation of Black king's somewhat exposed position. All in all - middlegame eval, king safety - but opening? I don't think so. PK >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. > >Next time when I prepare 3 ... a6, John will play 3 ... b6, or 3... h6, or 3 ... >e6 and even when I have those moves in book, he will be able to throw Rebel out >of book one move later. > >Jeroen > > >>Hi Jeroen, did you prepare anything against vd Wiel's opening? I believe 3... >>a6 has been played before at AEgon 97? >> >>Ernst.
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