Author: Shaun Brewer
Date: 02:57:24 02/28/06
Go up one level in this thread
On February 27, 2006 at 17:09:11, Joseph Ciarrochi wrote: >But Dan, How much can you really trust the human experts? I mean, I have a video >by andrew martin on the scandanavian, and I have become convinced that one line >is just not good for black. The black side gets its but kicked again and again, >regardless of engine, etc (position below). That passed white pawn is tough, and >blacks so called "mobile pawn mass" on k-side can come under attack. (I have >decided to ditrust a line, unless the IM or GM plays it himself at the top >levels!!!!) > >ps I don't only use the computers evaluation of an opening. I let the comps play >through the openings and see what happens. > > > >[d] 2kr3r/ppq2p2/1n1b2p1/B1pPpp2/2P4P/1B6/PP2QPP1/2KR3R w - - 0 19 I thought I would put the position in for a while Running on laptop Toga and Fritz9 concurrently (other bits running) Analysis by Toga II 1.1a: 128mb hash 1.Bxb6 Qxb6 ² (0.38) Depth: 1/2 00:00:01 1.Kb1 ± (1.24) Depth: 1/2 00:00:01 1.Kb1 Kb8 ² (0.67) Depth: 2/6 00:00:01 1.Kb1 Kb8 2.Ba4 ² (0.49) Depth: 3/7 00:00:02 1.Kb1 Kb8 2.Bc3 Ka8 ± (0.77) Depth: 4/10 00:00:02 1.Kb1 Kb8 2.h5 e4 3.h6 ± (0.73) Depth: 5/14 00:00:03 1.Kb1 Kb8 2.Bc3 Qe7 3.Rde1 f6 ± (0.82) Depth: 6/14 00:00:03 19kN 1.Kb1 Kb8 2.h5 gxh5 3.Rxh5 Rdg8 4.Rxh8 Rxh8 5.Ba4 ² (0.58) Depth: 7/17 00:00:04 48kN 1.Kb1 Kb8 2.h5 gxh5 3.Rxh5 Rdg8 4.Rxh8 Rxh8 5.Bc3 Rh2 ² (0.70) Depth: 8/18 00:00:11 117kN 1.Kb1 Rh7 2.Bc2 Kb8 3.Ka1 Ka8 4.f3 f6 5.Bd2 ² (0.60) Depth: 9/20 00:00:14 402kN 1.h5 Kb8 2.Kb1 gxh5 3.Rxh5 Rdg8 4.g3 f4 5.Rxh8 Rxh8 6.gxf4 ± (0.79) Depth: 9/21 00:00:19 860kN 1.h5 Kb8 2.Kb1 gxh5 3.Rxh5 Rdg8 4.g3 Qd7 5.Bxb6 axb6 6.Rdh1 Rxh5 7.Rxh5 ± (0.75) Depth: 10/21 00:00:21 1072kN 1.h5 Kb8 2.Kb1 Rh7 3.hxg6 fxg6 4.Bc2 e4 5.Bc3 Bf4 6.Ka1 Rxh1 7.Rxh1 ² (0.62) Depth: 11/24 00:00:39 1789kN 1.h5 Kb8 2.Kb1 Rh6 3.hxg6 Rxg6 4.g3 e4 5.Rh5 Rf6 6.Rdh1 Be5 7.Rh7 ± (0.83) Depth: 12/28 00:02:29 6992kN 1.h5 Kb8 2.Kb1 Rh7 3.hxg6 fxg6 4.Qe3 e4 5.Qg5 Rdh8 6.Rxh7 Qxh7 7.Qf6 Bc7 8.d6 ² (0.67) Depth: 13/28 00:03:45 11845kN 1.h5 Kb8 2.Kb1 e4 3.f3 gxh5 4.Rh3 Rde8 5.Bc2 Qe7 6.Bxb6 axb6 7.Re1 exf3 8.Qxe7 Rxe7 9.Rxe7 Bxe7 10.Rxf3 ² (0.70) Depth: 14/28 00:05:31 18880kN 1.h5 Rh7 2.Rh4 Kb8 3.Kb1 e4 4.h6 Be5 5.Rdh1 Rdh8 6.Bd2 Rd8 7.Re1 Ka8 8.Bc2 ² (0.69) Depth: 15/32 00:18:40 59534kN 1.h5 Kb8 2.Kb1 e4 3.Ka1 Be5 4.f3 exf3 5.gxf3 Rxh5 6.Rxh5 gxh5 7.Rh1 Rh8 8.Bc2 f4 9.Bxb6 axb6 10.Bf5 h4 ² (0.70) Depth: 16/34 00:33:07 118626kN 1.h5 Kb8 2.Kb1 Rh7 3.Rh3 e4 4.f3 exf3 5.Qxf3 Rdh8 6.Rdh1 Bf4 7.g3 Bg5 8.Bc3 f6 9.Qg2 Rxh5 10.Rxh5 Rxh5 11.Rxh5 gxh5 ± (0.71) Depth: 17/35 00:47:16 181286kN 1.h5 Kb8 2.Kb1 Rh7 3.Rh3 e4 4.f3 exf3 5.Qxf3 Re8 6.Rdh1 Bf4 7.hxg6 Rxh3 8.Rxh3 fxg6 9.Ba4 Rd8 10.Rh4 Be5 ± (0.76) Depth: 18/46 01:10:38 329965kN 1.h5 Kb8 2.Kb1 Rh7 3.Rh3 e4 4.f3 exf3 5.Qxf3 Re8 6.Rdh1 Qd8 7.Re1 Rhh8 8.Rxe8 Rxe8 9.h6 Nxc4 10.Bxd8 Nd2+ 11.Kc2 Nxf3 12.Rxf3 Rxd8 ± (0.80) Depth: 19/47 01:51:40 734974kN 1.h5 Kb8 2.Kb1 Rh7 3.Rh3 Rdh8 4.Rdh1 e4 5.f3 Qe7 6.fxe4 Qxe4+ 7.Qxe4 fxe4 8.Bc3 Re8 9.hxg6 Rxh3 10.Rxh3 fxg6 11.Bd2 Rf8 12.Rh7 Rf2 ± (0.78) Depth: 20/58 02:43:02 1241690kN 1.h5 Kb8 2.g4 fxg4 3.hxg6 f5 4.f3 g3 5.Qg2 f4 6.Bc2 Qd7 7.Rxh8 Rxh8 8.Rh1 Rxh1+ 9.Qxh1 Bf8 10.Bxb6 axb6 11.Qh8 Qe7 12.Qh3 Bg7 13.Kb1 ± (0.85) Depth: 21/58 07:09:00 3854811kN 1.h5 Kb8 2.g4 gxh5 3.gxh5 e4 4.Kb1 Bf4 5.f3 e3 6.Bc3 Rh6 7.Qd3 Rg8 8.Qxf5 Rg5 9.Qe4 Rgxh5 10.Rxh5 Rxh5 11.Qe8+ Nc8 12.d6 Bxd6 13.Qxe3 Be5 ± (0.80) Depth: 22/58 11:15:17 6265249kN Analysis by Fritz 9: 1.Bc3 f6 2.Kb1 Kb8 3.Ba5 ² (0.55) Depth: 5/21 00:00:00 15kN 1.Bc3 Rh5 2.Kb1 Qe7 3.g3 e4 ² (0.46) Depth: 6/18 00:00:00 20kN 1.Kb1! ² (0.47) Depth: 6/20 00:00:01 28kN 1.Kb1 e4 2.Bc3 Rh5 ² (0.54) Depth: 6/20 00:00:01 34kN 1.Bc2! ² (0.54) Depth: 6/22 00:00:01 52kN 1.Bc2 Qe7 2.h5 Qg5+ ² (0.54) Depth: 6/23 00:00:01 68kN 1.Bc2 Rh5 2.Kb1 Rdh8 3.g3 e4 4.Qe3 ² (0.40) Depth: 7/28 00:00:03 138kN 1.Kb1! ² (0.41) Depth: 7/28 00:00:03 147kN 1.Kb1 Rh5 2.Bd2 Rdh8 3.Bg5 e4 4.Bf6 ² (0.47) Depth: 7/28 00:00:03 171kN 1.h5! ² (0.48) Depth: 7/28 00:00:03 188kN 1.h5 e4 2.h6 Bf4+ 3.Bd2 Rh7 4.Kb1 Bxd2 5.Rxd2 ² (0.58) Depth: 7/28 00:00:04 211kN 1.h5 e4 2.h6 Bf4+ 3.Bd2 Rh7 4.Bxf4 Qxf4+ 5.Qe3 Qd6 6.Kb1 ² (0.47) Depth: 8/24 00:00:06 286kN 1.Kb1! ² (0.48) Depth: 8/24 00:00:06 307kN 1.Bc2! ² (0.48) Depth: 8/28 00:00:07 406kN 1.Bc2 Qe7 2.h5 Qg5+ 3.Kb1 Rxh5 4.Bxb6 axb6 ² (0.49) Depth: 8/28 00:00:08 482kN 1.Bc2 e4 2.f3 exf3 3.Qxf3 Be5 4.Bb3 Rde8 5.h5 Qd6 ² (0.36) Depth: 9/28 00:00:10 845kN 1.Kb1! ² (0.36) Depth: 9/28 00:00:11 898kN 1.h5! ² (0.37) Depth: 9/28 00:00:11 1090kN 1.h5 Rxh5 2.Rxh5 gxh5 3.Bxb6 axb6 4.Ba4 Rg8 5.Qxh5 Rxg2 6.Qxf5+ Kb8 ² (0.48) Depth: 9/28 00:00:11 1328kN 1.h5 gxh5 2.Rxh5 Rxh5 3.Qxh5 Qd7 4.Bxb6 axb6 5.Kb1 e4 6.Qe2 Kb8 7.Rh1 Re8 ² (0.47) Depth: 10/31 00:00:14 2211kN 1.Bc2! ² (0.48) Depth: 10/32 00:00:15 3041kN 1.Bc2 e4 2.g4 Rde8 3.gxf5 gxf5 4.f3 Qe7 5.Bxb6 axb6 6.h5 Qg5+ 7.Kb1 Qf4 8.fxe4 ² (0.58) Depth: 11/36 00:00:32 6965kN 1.Bc2 Rh5 2.Rd3 e4 3.Rb3 Rdh8 4.Bxb6 axb6 5.g3 g5 6.g4 Rxh4 7.Rxh4 ² (0.64) Depth: 12/34 00:00:58 16051kN 1.Bc2 Rh5 2.Rd3 e4 3.Ra3 Rdh8 4.g3 Kb8 5.Kb1 Be5 6.Rb3 Qd6 7.Bxb6 ² (0.47) Depth: 13/36 00:01:19 25912kN 1.h5! ² (0.48) Depth: 13/36 00:01:27 30647kN 1.h5 gxh5 2.Rxh5 Rxh5 3.Qxh5 Qd7 4.Bxb6 axb6 5.Bc2 e4 6.Qe2 Re8 7.f3 Qe7 8.Qe3 Rg8 ² (0.62) Depth: 13/36 00:02:18 52934kN 1.h5 gxh5 2.Rxh5 Rxh5 3.Qxh5 Qd7 4.Bxb6 axb6 5.Bc2 e4 6.Qe2 Re8 7.f3 Qe7 8.Qe3 Rg8 ² (0.62) Depth: 14/38 00:06:18 99151kN 1.h5 Qd7 2.Bc2 e4 3.f3 Rde8 4.Bxb6 axb6 5.hxg6 Rxh1 6.Rxh1 exf3 7.Qxf3 ± (0.71) Depth: 15/38 00:15:04 302893kN 1.h5 gxh5 2.Rxh5 Rxh5 3.Qxh5 Qd7 4.Bxb6 axb6 5.Bc2 e4 6.Qe2 Re8 7.f3 Qe7 8.Kb1 Kb8 ² (0.68) Depth: 16/41 00:33:53 691353kN 1.h5 gxh5 2.Rxh5 Rxh5 3.Qxh5 Qd7 4.Bxb6 axb6 5.Bc2 e4 6.Qe2 Re8 7.f3 Kb8 8.Kb1 e3 9.g4 f4 ² (0.66) Depth: 17/44 00:59:45 1346975kN 1.h5 Kb8 2.Kb1 Qd7 3.Bc3 Rde8 4.hxg6 Rxh1 5.Rxh1 fxg6 6.Qd2 Rg8 7.Qg5 e4 ² (0.69) Depth: 18/46 02:20:57 3360851kN 1.h5 Kb8 2.Kb1 Qd7 3.Bc3 Rde8 4.hxg6 Rxh1 5.Rxh1 fxg6 6.Qd2 Rg8 7.Qg5 e4 8.Rh6 ² (0.70) Depth: 19/47 05:37:07 8148527kN 1.h5 Kb8 2.Kb1 Qd7 3.Bc3 Rde8 4.hxg6 Rxh1 5.Rxh1 fxg6 6.Qd2 Rg8 7.Qg5 ² (0.70) Depth: 20/49 14:02:48 20486772kN I will leave them running and post agin tonight Shaun
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