Author: blass uri
Date: 00:16:16 12/02/99
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On November 30, 1999 at 17:26:58, Daniel Clausen wrote: >Hi > >On November 29, 1999 at 15:11:39, Robert Hyatt wrote: > >>>>r3q1k1/ppp1rpp1/2n1b2p/8/2P2B2/3B4/PPPQ1RPP/5RK1 w - - >>>> > >>This looks _incredibly_ dangerous. For every position where Bxh6 works, >>there are 10 positions where Bxh6 loses. Here a piece for two pawns looks >>awful if the other pieces can't get over to help out... Speculative play is >>nice, as in the old days of the Novag gadgets from Kittinger, and in the current >>play of CSTal... but it can backfire big-time as well... >> >>Crafty doesn't like the sac, unless it sees actual material coming back, because >>I have spent a lot of time teaching it which types of material imbalance are >>bad and which types are good. A piece for 2 pawns is always bad unless there >>is some tactical conclusion at the end. And given the above PV there obviously >>isn't anything except a somewhat naked king position for black... > >I agree with you that such moves can backfire, but I'm still confused. As far >I know your intention is to make a strong program against humans. (Beating other >computers has a much lower priority) But aren't moves like Bxh6 extremely good >against humans? If there's really a way to defend for Black, it's more likely >that >a computer will find it, whereas a human (even if it's a GM) has so many ways >to make one wrong move and most prolly will choose one of them. > >I kind of reminds me of the game DB-Kasparov where DB made the known knight >sacrifice on e6. (not 100% sure now) For a human it's more or less hopeless to >continue there, the only chance is that the opponent is also a tactical monster >which is able to find the one and only way out. Just curious. Strong humans can defend the position of DB-Kasparov against top programs. I belive that kasparov lost the game because of 2 reasons: 1)kasparov was not prepared for the Nxe6 line and did a mistake before it when he changed the order of moves. 2)deeper blue is better than the top programs. Uri
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