Author: Uri Blass
Date: 08:19:27 02/21/06
Go up one level in this thread
On February 21, 2006 at 01:30:34, Gabor Szots wrote: >On February 20, 2006 at 16:19:48, Dieter Eberle wrote: > >>Hi Gabor, >>none of the lines you posted is bad. They may not be played every day by >>Kasparov but if you check them with a strong engine like Rybka beta13b you will >>find out that the maximal deviation from zero is far below +/- 1, a good result >>for a general book in my opinion. >>Astonished, Dieter > >Hi Dieter, > >I submitted all games with the HS book. I did not claim all the lines were bad. >I said the were bizarre. Most of them is too passive to be good. If an engine >comes out of the opening with -0.65 (as was the case in Spike vs. Pro Deo) it >will probably lose against an opponent of its own caliber. > >Gábor I do not agree with it. -0.65 is not a good predictor of result in the opening. take the following position from the noomen match r2q1rk1/3nppbp/b2p1np1/2pP4/8/2N2NP1/PP2PPBP/R1BQ1RK1 w - - 0 11 Glaurung say 0.65 pawns for white after a minute of search It does not mean that the position is good for white. Note that Movei claims 0.98 pawns for white but in the noomen match between 2 versions of movei black won both games. I wonder what is the evaluation secret of rybka and how it knows to evaluate the position as very small advantage for white. [D]r2q1rk1/3nppbp/b2p1np1/2pP4/8/2N2NP1/PP2PPBP/R1BQ1RK1 w - - 0 1 Analysis by Glaurung 1.0.2: 11.Bg5 Ng4 ² (0.67) Depth: 2/6 00:00:00 11.Bh3 Qa5 ± (0.75) Depth: 2/6 00:00:00 11.Bh3 Qa5 12.Bf4 ² (0.67) Depth: 3/6 00:00:00 11.Bh3 Qb6 12.Qc2 Rfb8 ² (0.68) Depth: 4/9 00:00:00 11.Bh3 Qc7 12.Bg5 Bc4 13.Qd2 ² (0.60) Depth: 5/12 00:00:00 11.Re1 Ng4 12.Qa4 Bxc3 13.bxc3 ² (0.65) Depth: 5/14 00:00:00 11.Re1 Ng4 12.Qa4 f5 13.Nb5 Bxb5 14.Qxb5 ² (0.68) Depth: 6/19 00:00:01 19kN 11.Re1 Ng4 12.Bh3 f5 13.Bg5 Bc4 14.e4 ² (0.67) Depth: 7/20 00:00:01 37kN 11.Re1 Ng4 12.Bh3 f5 13.Bg5 Rb8 14.Bxg4 fxg4 ² (0.68) Depth: 8/21 00:00:01 89kN 11.Re1 Qc7 12.e4 Rfb8 13.Bh3 Bc4 14.Nd2 Bd3 15.f4 ² (0.64) Depth: 9/22 00:00:01 198kN 11.Re1 Qb6 12.e4 Ng4 13.Qc2 e6 14.Bh3 Ndf6 15.e5 dxe5 16.Nxe5 Nxe5 17.Rxe5 exd5 18.Nxd5 Nxd5 19.Rxd5 ² (0.65) Depth: 10/27 00:00:02 601kN 11.Re1 Ng4 12.Bh3 Bxc3 13.bxc3 Ndf6 14.Qc2 Bc4 15.e4 Qa5 16.Bg5 ± (0.71) Depth: 11/27 00:00:04 1179kN 11.Re1 Ng4 12.Bh3 Nge5 13.Nxe5 Nxe5 14.Bg5 Rb8 15.Qc2 Bd3 16.exd3 Nf3+ 17.Kh1 Nxg5 ± (0.73) Depth: 12/27 00:00:06 2432kN 11.Re1 Qb6 12.Bh3 h5 13.Qc2 Rfb8 14.Rb1 Qd8 15.e4 Ng4 16.Bg5 Bc4 17.Bxg4 hxg4 ² (0.67) Depth: 13/28 00:00:13 5324kN 11.Re1 Qc7 12.e4 Rfb8 13.Bh3 h5 14.Qc2 Ng4 15.Bg5 e6 16.e5 Ndxe5 17.Nxe5 Bxe5 18.dxe6 ² (0.65) Depth: 14/31 00:00:26 11328kN (, 21.02.2006) movei00_8_295 - movei00_8_351, Computer chess game 2006 r2q1rk1/3nppbp/b2p1np1/2pP4/8/2N2NP1/PP2PPBP/R1BQ1RK1 w - - 0 1 Analysis by Fruit 2.2.1: 11.Be3 ² (0.67) Depth: 1/1 00:00:00 11.Be3 Ng4 ± (0.74) Depth: 2/4 00:00:00 11.Be3 Ng4 12.Bf4 ² (0.34) Depth: 3/8 00:00:00 11.Bf4 Bc4 12.Bh3 ² (0.53) Depth: 3/8 00:00:00 11.Bf4 Ng4 12.Qc2 Bc4 ± (0.71) Depth: 4/11 00:00:00 11.Bg5 Qb6 12.Qc2 Bc4 ± (0.81) Depth: 4/11 00:00:00 11.Bg5 Qc7 12.Qb3 Rfb8 13.Qc2 ² (0.49) Depth: 5/17 00:00:00 11.Bg5 Nb6 12.Re1 Ng4 13.Qb3 Nc4 ± (0.72) Depth: 6/19 00:00:00 55kN 11.Bg5 Nb6 12.Re1 Nc4 13.Qb3 Rb8 14.Qa4 ² (0.38) Depth: 7/19 00:00:00 91kN 11.Qc2 Nb6 12.Rd1 Bc4 13.Ng5 Ng4 14.Bf4 ² (0.42) Depth: 7/20 00:00:00 188kN 11.Qc2 Nb6 12.Rd1 Bc4 13.e4 Ng4 14.Bf4 Qc7 ² (0.53) Depth: 8/21 00:00:01 329kN 11.Bg5 h6 12.Bf4 g5 13.Bd2 g4 14.Nh4 Ne5 ² (0.61) Depth: 8/24 00:00:01 526kN 11.Bg5 h6 12.Bf4 g5 13.Be3 Ng4 14.Bd2 Bc4 15.Qc2 ² (0.43) Depth: 9/25 00:00:02 649kN 11.Qc2 Nb6 12.Rd1 Bc4 13.e4 Ng4 14.h3 Ne5 15.Be3 ² (0.47) Depth: 9/25 00:00:02 736kN 11.Qc2 Qc7 12.Rd1 Ng4 13.Bg5 Nde5 14.Ne4 Nxf3+ 15.Bxf3 f5 16.Nc3 Bd4 ² (0.58) Depth: 10/25 00:00:04 2138kN 11.Qc2 Qc7 12.Re1 Nb6 13.e4 Ng4 14.Bf4 Bc4 15.h3 Nf6 16.b3 ² (0.51) Depth: 11/26 00:00:07 3887kN 11.Qc2 Bc4 12.Nd2 Ba6 13.Rd1 Ng4 14.Nde4 f5 15.Ng5 Bd4 16.e3 Be5 ² (0.57) Depth: 12/31 00:00:15 8879kN 11.Qc2 Bc4 12.Nd2 Ba6 13.Nde4 Nb6 14.Rd1 Nc4 15.Bf4 Nh5 16.Bg5 Qd7 17.Rac1 ² (0.56) Depth: 13/32 00:00:37 21354kN 11.Qc2 Bc4 12.Nd2 Ba6 13.Nde4 Qb6 14.Bg5 Rfb8 15.Rab1 Qc7 16.Nxf6+ Bxf6 17.Be3 Bc4 18.b3 Bxc3 19.bxc4 ² (0.53) Depth: 14/33 00:00:58 33461kN (, 21.02.2006) movei00_8_295 - movei00_8_351, Computer chess game 2006 r2q1rk1/3nppbp/b2p1np1/2pP4/8/2N2NP1/PP2PPBP/R1BQ1RK1 w - - 0 1 Analysis by Rybka 1.01 Beta 13d 32-bit: 11.Bg5 = (0.15) Depth: 3 00:00:13 11.Bg5 = (0.15) Depth: 4 00:00:13 11.Bf4 = (0.17) Depth: 4 00:00:13 11.Bf4 Qa5 = (0.13) Depth: 5 00:00:13 11.Bf4 Qc7 12.Qc2 = (0.14) Depth: 6 00:00:13 26kN 11.Bf4 Qc7 12.Qd2 Nb6 = (0.10) Depth: 7 00:00:14 56kN 11.Bf4 Qc7 12.Qd2 Bb7 13.Ng5 = (0.12) Depth: 8 00:00:16 226kN 11.Bf4 Qc7 12.Qd2 Bb7 13.b3 Ng4 = (0.11) Depth: 9 00:00:18 355kN 11.Bf4 Nb6 12.Nd2 Bb7 13.e4 Qc7 14.Bf3 = (0.12) Depth: 10 00:00:27 953kN 11.Bf4 Nb6 12.Nd2 Bb7 13.e4 Qc7 14.Bf3 c4 = (0.10) Depth: 11 00:00:37 1588kN 11.Bf4 Nb6 12.Nd2 Bb7 13.e4 Ra5 14.Nb3 Ra7 15.Bf3 = (0.13) Depth: 12 00:01:48 6179kN 11.Bf4 Qc7 12.Qd2 Nb6 13.b3 Ng4 14.Rac1 Bb7 15.h3 Nf6 = (0.12) Depth: 13 00:02:34 9281kN (, 21.02.2006)
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