Author: Frank Quisinsky
Date: 06:26:24 09/22/00
Go up one level in this thread
On September 22, 2000 at 04:31:44, Peter McKenzie wrote: >On September 22, 2000 at 00:41:43, Mogens Larsen wrote: > ><snip> >>Now back to chess. In my ignorance I missed the fact that 14.e4 also sacrifices >>a piece. My chess abilities are not sufficient to evaluate if Nxd5 or e4 is >>best. > >Yeah, I'm not sure which move is best - LambChop kept changing its mind and even >found another way to sacrifice (Rac1). Here is Chop's output: > > 0 0 0 0 g5f6 > 1 84 0 100 g5f6 d7f6 > 2 84 0 302 g5f6 d7f6 > 3 56 0 640 f5h6 > 3 58 0 1143 f5e3 > 3 58 0 1664 f5e3 b5b4 g5f6 d7f6 > 4 63 100 7076 f5e3 b5b4 g2h3 c8c7 > 5 52 200 9565 f5h6 > 5 65 300 16545 f5h6 b5b4 c3d1 f8h6 b3e3 f6e4 g5h6 > 6 65 600 46433 f5h6 b5b4 c3d1 f8h6 b3e3 f6e4 g5h6 > 7 74 1800 167779 f5h6 b5b4 c3d1 f8h6 g5h6 f6g4 h6g7 > 8 65 7400 645884 a1c1 > 8 69 9800 861839 a1c1 d7c5 d4c5 c8f5 b3a3 a6c8 g5f4 f8e7 > 9 68 18500 1695217 e2e4 > 9 114 25700 2401668 c3d5 > 9 147 26600 2491003 c3d5 c6d5 b3e3 e8d8 a1c1 c8b7 g5f6 d7f6 e3e5 f8e7 g2d5 >10 114 34600 3259943 e2e4 >10 142 48800 4572658 e2e4 d5e4 c3e4 f6e4 a1e1 g6f5 g2e4 f5e4 e1e4 f8e7 e4e7 e8d >8 b3f7 >11 152 86900 8168486 c3d5 >11 169 113500 10948959 c3d5 c6d5 b3e3 e8d8 g2d5 g6f5 e3f3 h8g8 g5f6 d7f6 d5a8 c >8d7 e2e3 >12 163 237700 22869140 e2e4 > > >> >>Either way, here's the output: >> >>r1q1kb1r/p2n1p1p/b1p2np1/1p1p1NB1/3P4/1QN3P1/PP2PPBP/R4RK1 w kq - 0 14 >> >>Analyze >> 2 65 0 230 Ne3 Bd6 >> 3 81 0 1111 Ne3 Bd6 Rfc1 >> 4 65 0 5243 Ne3 Bd6 a4 b4 >> 5 64 30 42790 Ne3 h6 Bxf6 Nxf6 a4 bxa4 Qxa4 >> 5 67 40 60886 Nh6 !! >> 5 75 50 72797 Nh6 b4 Bh3 Qb7 Bxd7+ Nxd7 >> 6 51 90 132942 Nh6 b4 Bh3 Bc4 Qc2 Bg7 >> 6 54 90 143094 Ne3 !! >> 6 75 130 196750 Ne3 h6 Bxf6 Nxf6 Rfc1 Qd8 a3 >> 7 75 270 420090 Ne3 Bd6 Rfc1 Qb7 Bh6 b4 Bg7 bxc3 Bxh8 Qxb3 >> 8 88 1180 1859475 Ne3 Be7 Rfc1 Qb7 Bh6 b4 Bg7 bxc3 Bxh8 Qxb3 >> 8 91 1680 2560086 e4 !! >> 8 116 2210 3343062 e4 gxf5 exd5 c5 Rfe1+ Kd8 dxc5 Qxc5 d6 Rb8 >> 9 118 3750 5632728 e4 gxf5 exd5 c5 Rfe1+ Kd8 d6 c4 Qc2 Bxd6 >>10 132 11050 16995191 e4 gxf5 exd5 c5 d6 Bxd6 Rfe1+ Kf8 Bxa8 Qxa8 >>11 180 30260 47475391 e4 !! >>11 200 43850 68028523 e4 gxf5 exd5 c5 Rfe1+ Kd8 d6 c4 Qb4 Rb8 >>12 264 113790 181285264 e4 gxf5 exd5 h6 dxc6 hxg5 cxd7+ Nxd7 Rfe1+ Kd8 >> >>About 19 minutes of analysis. I may try to run an analysis after Nxd5 and see >>what Gandalf thinks. >> >>Best wishes... >>Mogens Hi, on my Pentium III 733 with 128 for hashtables under Fritz 6 with SP1: Gandalf 4.32f r1q1kb1r/p2n1p1p/b1p2np1/1p1p1NB1/3P4/1QN3P1/PP2PPBP/R4RK1 w kq - 0 1 Analysis by Gandalf 4.32f: 1.Se3 Ld6 ² (0.65) Tiefe: 2 00:00:00 1.Se3 Ld6 2.Tfc1 ± (0.81) Tiefe: 3 00:00:00 1.Se3 Ld6 2.a4 b4 ² (0.65) Tiefe: 4 00:00:00 1.Se3 h6 2.Lxf6 Sxf6 3.a4 bxa4 4.Dxa4 ² (0.64) Tiefe: 5 00:00:00 42kN 1.Sh6 ² (0.67) Tiefe: 5 00:00:00 42kN 1.Sh6 b4 2.Lh3 Db7 3.Lxd7+ Sxd7 ± (0.75) Tiefe: 5 00:00:00 42kN 1.Sh6 b4 2.Lh3 Lc4 3.Dc2 Lg7 ² (0.51) Tiefe: 6 00:00:01 132kN 1.Se3 ² (0.54) Tiefe: 6 00:00:01 132kN 1.Se3 h6 2.Lxf6 Sxf6 3.Tfc1 Dd8 4.a3 ± (0.75) Tiefe: 6 00:00:01 132kN 1.Se3 Ld6 2.Tfc1 Db7 3.Lh6 b4 4.Lg7 bxc3 5.Lxh8 Dxb3 ± (0.75) Tiefe: 7 00:00:02 419kN 1.Se3 Le7 2.Tfc1 Db7 3.Lh6 b4 4.Lg7 bxc3 5.Lxh8 Dxb3 ± (0.88) Tiefe: 8 00:00:10 1857kN 1.e4 ± (0.91) Tiefe: 8 00:00:15 1857kN 1.e4 gxf5 2.exd5 c5 3.Tfe1+ Kd8 4.dxc5 Dxc5 5.d6 Tb8 ± (1.16) Tiefe: 8 00:00:20 1857kN 1.e4 gxf5 2.exd5 c5 3.Tfe1+ Kd8 4.d6 c4 5.Dc2 Lxd6 ± (1.18) Tiefe: 9 00:00:34 5592kN 1.e4 gxf5 2.exd5 c5 3.d6 Lxd6 4.Tfe1+ Kf8 5.Lxa8 Dxa8 ± (1.32) Tiefe: 10 00:01:37 16603kN 1.e4 +- (1.80) Tiefe: 11 00:04:24 46132kN 1.e4 gxf5 2.exd5 c5 3.Tfe1+ Kd8 4.d6 c4 5.Db4 Tb8 +- (2.00) Tiefe: 11 00:06:19 46132kN
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