Author: pete
Date: 23:47:52 05/19/99
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On May 19, 1999 at 18:28:49, Francis Monkman wrote: <snip> >And another from 1971, Smyslov-Adorjan, Amsterdam I > >r1b2k1r/pp2p2p/5pp1/1n1NB3/8/1P4P1/P1P4P/2KR3R w - - > >I'm sure I waited hours to see if Genius 3 would get this, when I >first played through it. Also a simple idea -- White will exchange two >pieces for a rook and two pawns (already a material advantage) after >which, a human chess player should see at a glance that his two rooks' >mobility, and the pressure they can put on Black's king and undeveloped >queenside mean he can 'mop up' the remaining kingside pawns without too >much trouble: > >Nxf6! exf6 Rd8+ Kg7 Bxf6+ Kxf6 Rxh8 Kg7 Rd8 Nc7 Re1 1-0 > >Again, none found it within the 5 minutes I allowed (you see I'm getting >impatient!), except, yes you guessed, LGG 2.0 immediately plays this, >and for 'all the right reasons'. > >I'm not trying to plug LGG too hard, really. I've watched it do some >pretty terrible things too! But for some of these 'difficult' moves, it >really does seem to have a consistent edge over the rest. > >Francis <snip> You say lgg finds this and for the right reason, hmm ... For example Hiarcs will play nxf6 in no time too and the line up to rd8 is shown , but the whole variation has a problem ; nc7 is a serious blunder ; black can play a6 instead which makes it possible to defend the bishop on c8 with na7. I am quite sure white will win this position eventually but it is very difficult to judge for a chess prog as the material seems to favour black a little. So the programs see the combination leading to a little ( in their opinion) advantage which can be gained by other first moves too. So if you say lgg finds this in less than 5 minutes please give the evaluation and the main line. Pete
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