Author: Günther Simon
Date: 15:18:33 10/28/05
Go up one level in this thread
On October 28, 2005 at 18:00:22, Drexel,Michael wrote: >"The program has become more human in a different way. It now has extensive >chess knowledge and a human evaluation structure, ensuring that it finds good >moves and interesting ideas where there are no direct tactics to guide it. You >will appreciate the value of this when you analyze with the program. Fritz 9 >thinks and plans like a human, while retaining the tactical ferocity of the >world’s top chess engine" www.chessbase.com > >You don´t believe this? You think that´s a load of crap? > >You are wrong, please look at the following examples and decide yourself: > >Example 1: > >[D]rnbqkb1r/ppp2ppp/3p1n2/4P3/4P3/2N5/PPP2PPP/R1BQKBNR b KQkq - 0 4 > >Analysis by Fritz 9: > >4...Sfd7 5.exd6 Lxd6 6.Sb5 Lb4+ 7.c3 Lc5 8.Lg5 f6 9.Dh5+ > ± (0.91) Depth: 7/21 00:00:00 53kN >4...Sfd7 5.Sd5 dxe5 6.Lg5 f6 7.Lh6 Sc6 8.Dh5+ g6 > ± (0.76) Depth: 8/27 00:00:00 255kN >4...Sfd7 5.exd6 Lxd6 6.Sb5 Le7 7.Lf4 Sa6 8.Dd5 Lb4+ 9.c3 Lc5 > ± (0.94) Depth: 9/27 00:00:00 504kN >4...Sfd7 5.exd6 Lxd6 6.Sb5 Lb4+ 7.c3 La5 8.Dd5 0-0 9.Lg5 > ± (1.07) Depth: 10/29 00:00:01 1063kN >4...Sfd7 5.exd6 Lxd6 6.Sb5 Sf6 7.Lg5 0-0 8.Sf3 Sc6 9.Sxd6 cxd6 10.c3 De8 11.Lxf6 >Dxe4+ > ± (1.14) Depth: 11/32 00:00:03 3319kN >4...Sfd7 5.exd6 Lxd6 6.Sb5 De7 7.Sxd6+ cxd6 8.Ld3 0-0 9.Se2 Sc5 10.0-0 Sxe4 >11.Te1 > ± (1.02) Depth: 12/37 00:00:10 9001kN >4...Sfd7 5.exd6 Lxd6 6.Le3 0-0 7.Dd2 De7 8.0-0-0 Td8 9.Lf4 Se5 10.Sd5 De8 > ± (1.16) Depth: 13/34 00:00:24 23816kN >4...Sfd7 5.exd6 Lxd6 6.Le3 0-0 7.Dd2 De7 8.0-0-0 Sc6 9.Lg5 De6 10.Sf3 Sde5 >11.Sd4 Dg4 > ± (1.08) Depth: 14/41 00:01:00 60691kN >4...Sfd7 5.exd6 Lxd6 6.Le3 De7 7.Dd2 Sf6 8.Ld3 0-0 9.Sf3 Sc6 > ± (1.13) Depth: 15/39 00:02:29 156351kN > >4...Nfd7! >A Master would not even think about the materialistic 4...dxe5? which is the >typical computer move in this position. >Instead true masters of the game willingly give up pawns in exchange for a >better position. >Unlike other engines Fritz 9 understands the importance of development and King >safety. I have not yet looked at the other examples but the first one at least is not convincing. Can you tell me why F9 gives already nearly winning score of +1.13, when it is so happy being 'Human' like? I can tell you why it does not play dxe5 here and I doubt this is a computer typical move at all. F9 obviously just has a bigger malus for uncastled kings in the centre(as after dxe5 Qxd8+ Kxd8 etc...). Guenther
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