Author: Jeff Anderson
Date: 01:10:31 06/16/99
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On June 15, 1999 at 23:29:16, Dann Corbit wrote: >If you have an opening book that contains brilliant moves -- especially >positional or sacrifice based upon completion -- it is quite likely that they >will cause your program terrible harm. Having a brilliant move is of no >benefit, if your program does not know what to do with the position. Even if >the opening book suggests the next move, unless your program can see what to do >after that, having such a position could do a lot more harm than good. Being >able to utilize such a position means that you must exploit a plan that >understands the position. > >Opinions? I have found this to be true. I am about a 1700 player, and I am able to draw with Fritz 5 at will because of a specific line in it's opening book where it sacrifices a rook and a bishop for a massive attack. Once it is out of book it panics and takes perpetual check. It is in the very sharp Poisoned Pawn variation of the dubious Latvian Gambit 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.d4 Qxg2 6.Qh5+ g6 7.Bf7+ Kd8 8.Bxg6 Qxh1+ 9.Ke2 Qxc1 it is at this point that Fritz is out of book, and takes the draw by perpetual (with Nd6+) because it thinks it is losing. The creators of Fritz's opening book should have been a little more careful, or should have at least included 9...Qxc1 in the book, as it is not a position unknown to theory, Keres analysed it.
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