Author: Marc van Hal
Date: 11:28:14 11/21/01
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On November 21, 2001 at 13:14:48, Peter Berger wrote: >[D]r1br4/1pq2p1p/p3pnkB/8/8/1BP2Q2/PP3PPb/R3R2K b - - 0 18 am Nd5 bm Nh5 ;id >"Adams-Dreev,Wijk an Zee 1996" > >This one is very tough. I analyzed it for several hours with the electronical >friends and they seemed to have a very hard time. > >Maybe you will have to give your engine some time to find Nd5 before you give it >even more to avoid it again :). > >Any engine that can solve this ? > >To get an idea what is going on, here is what the GMs played: > >18...Nd5 19.Rad1 f5 20.Bc1 Bd6 21.Bxd5 exd5 22.Rxd5 +- > >Especially 20.Bc1 seems to be hard but I believe it's the pure depth which is >the biggest problem. > >Regards, >pete > >PS: Btw, 18...Nd5 is in Fritz 7 tournament book ;-) You should try positions with the king in the centre for Kingsafety tests Most programs are worse in these positions then in positions where both sides or 1 side has lost the right of casteling. An other difeculty starts when the atack is not only based on kingsafety but also on positional bases I mean positions where a piece sacrefice is made for 2 pawns After which the 2passed pawns become stronger then a piece.
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