Author: Albert Silver
Date: 08:40:15 09/04/04
Go up one level in this thread
On September 04, 2004 at 03:22:34, Kurt Utzinger wrote: >On September 03, 2004 at 15:56:34, Will Singleton wrote: > >>[d]3r2k1/2Rbqpp1/7r/p2pPB2/1p1P3p/P3QN1P/1P3PP1/6K1 w - - bm axb4 Ng5 >> >>Amateur gets this in 38 sec on a p4 2.8ghz. I prefer Ng5 right away, but >>deferring one move doesn't seem to hurt. Strangely enough, in the actual game >>Amateur did play Ng5, probably due to the hash being full. In that game, all >>the pieces were quickly traded off, leaving a one pawn advantage which was >>enough to win easily. >> >>12 75 1494 6127807 Ra7 bxa3 bxa3 a4 Qf4 Qe8 Bxd7 Rxd7 Rxa4 Rb7 Rb4 Rxb4 axb4 >>13 71 3148 12689987 Ra7 bxa3 bxa3 a4 Qf4 Qe8 Ng5 f6 Bxd7 Rxd7 Rxd7 Qxd7 e6 >>13 116 3884 15700621 axb4 axb4 Ng5 b3 Qf4 Qe8 >>14 144 5171 20830021 axb4 axb4 Ng5 Rc6 Rxc6 Bxc6 Qf4 Ra8 Bh7 Kf8 Bg6 f6 > > An interesting analysis comes from Pro Deo 1.0 > Kurt > >Pro Deo 1.0 UCI1: (P4 1.8/40 MB hash, Arena 1.08) > 1 00:00 -0.21 Lxd7 Txd7 > 1 00:00 0.21 axb4 axb4 > 2 00:00 0.16 axb4 axb4 Se1 > 3 00:00 0.08 axb4 axb4 Ta7 Kf8 > 4 00:00 0.09 axb4 axb4 Df4 Kf8 Ld3 > 4 00:00 0.19 Ta7 bxa3 bxa3 a4 Tc7 > 5 00:00 0.07 Ta7 bxa3 bxa3 Tb6 Df4 Tb3 Sxh4 > 5 00:00 0.09 Df4 bxa3 bxa3 Th5 Txd7 Txd7 > 6 00:00 0.09 Df4 bxa3 bxa3 Th5 Txd7 Txd7 Lxd7 Dxd7 Sxh4 > 6 00:00 0.12 Ta7 bxa3 bxa3 Tb6 Df4 Tb3 Lc2 > 7 00:01 0.22 Ta7 bxa3 bxa3 Kf8 Df4 a4 Lxd7 Txd7 > 8 00:02 0.16 Ta7 Tb6 axb4 axb4 Dc1 Tbb8 Df4 Ta8 Txa8 Txa8 > 9 00:05 0.19 Ta7 bxa3 bxa3 Tb6 Dc3 De8 Sxh4 Lxf5 Sxf5 Tb1+ Kh2 >10 00:09 0.19 Ta7 bxa3 bxa3 De8 Lxd7 Txd7 Txa5 Tc6 Dg5 Tdc7 Dxh4 >10 00:10 0.26 a4 De8 Dg5 Lxf5 Dxf5 Tc6 Txc6 Dxc6 Sg5 Dg6 >11 00:14 0.26 a4 De8 Dg5 Lxf5 Dxf5 Tc6 Txc6 Dxc6 Sg5 Dg6 >12 00:28 0.09 a4 De8 Dg5 Lxf5 Dxf5 Tc6 Txc6 Dxc6 Sg5 Dg6 >12 00:44 0.35 Df4 bxa3 bxa3 Th5 Lg4 Th6 Sg5 >13 01:38 0.49 Df4 bxa3 bxa3 De8 Sg5 >14 03:47 0.79 Df4 bxa3 bxa3 Th5 e6 fxe6 Lg6 Th6 Se5 Txg6 Sxg6 Dxa3 >14 06:21 0.79 Sg5 >14 06:29 0.79 Df4 bxa3 bxa3 Th5 e6 fxe6 Lg6 Th6 Se5 Txg6 Sxg6 Dxa3 >15 11:14 1.08 Df4 Ta6 Sg5 f6 Df3 >16 24:47 1.02 Df4 bxa3 bxa3 Tb6 Sg5 De8 Kh2 Lxf5 Analysis by Pro Deo S&D v.4 (Athlon 2400XP+/60MB hash/Fritz 8 GUI): 1.Bxd7 Rxd7 = (-0.19) Depth: 1 00:00:00 1.axb4 axb4 ² (0.33) Depth: 1 00:00:00 1.axb4 axb4 2.Bd3 ² (0.26) Depth: 2 00:00:00 1.axb4 axb4 2.Qf4 Kf8 = (0.17) Depth: 3 00:00:00 1.axb4 axb4 2.Qf4 Kf8 3.Bd3 = (0.20) Depth: 4 00:00:00 1.Ra7 bxa3 2.bxa3 Kf8 3.Bxd7 Rxd7 = (0.21) Depth: 4 00:00:00 1.Ra7 bxa3 2.bxa3 Rc6 3.Qf4 g6 4.Bxd7 = (0.16) Depth: 5 00:00:00 1.axb4 axb4 2.Rb7 Rh5 3.Bd3 = (0.18) Depth: 5 00:00:00 1.axb4 axb4 2.Ra7 Kf8 3.Qf4 b3 4.Bd3 = (0.15) Depth: 6 00:00:00 111kN 1.Ra7 bxa3 2.bxa3 Rb6 3.Qf4 g6 4.Bxd7 Rxd7 = (0.16) Depth: 6 00:00:00 134kN 1.Ra7 bxa3 2.bxa3 Rc6 3.Qf4 g6 4.Bxd7 Rxd7 5.Ra8+ Rd8 = (0.17) Depth: 7 00:00:00 293kN 1.Ra7 bxa3 2.bxa3 Kf8 3.Qc3 Rc6 4.Qxa5 Rc1+ 5.Ne1 = (0.16) Depth: 8 00:00:01 769kN 1.Ra7 bxa3 2.bxa3 a4 3.Bxd7 Rxd7 4.Rxa4 Ra7 5.Rb4 Rb7 6.Rxb7 Qxb7 = (0.25) Depth: 9 00:00:03 2356kN 1.Ra7 bxa3 2.bxa3 a4 3.Qf4 Qe8 4.Rc7 Bxf5 5.Qxf5 Rb8 6.Ng5 Rbb6 = (0.21) Depth: 10 00:00:05 4784kN 1.axb4 axb4 2.Ra7 Rh5 3.e6 Rxf5 ² (0.30) Depth: 10 00:00:06 5534kN 1.axb4 axb4 2.Ra7 Rh5 3.Qf4 Rh6 4.Bc2 f6 5.Bb3 ² (0.36) Depth: 11 00:00:10 9660kN 1.axb4 axb4 2.Ra7 Rh5 3.Bg4 Rh6 4.Ng5 Rg6 5.f4 ² (0.31) Depth: 12 00:00:23 22878kN 1.a4 Qe8 2.Qg5 Bxf5 3.Qxf5 g6 4.Qf4 Rh5 5.Ng5 Rd7 6.Rxd7 Qxd7 7.Qf6 ² (0.37) Depth: 12 00:00:30 30832kN 1.a4 Qe8 2.Qg5 Bxf5 3.Qxf5 g6 4.Qf4 Rh5 5.Ng5 Rd7 6.Rxd7 Qxd7 7.Qf6 ² (0.37) Depth: 13 00:00:39 40714kN 1.a4 Qe8 2.Qg5 Bxf5 3.Qxf5 Rc6 4.Rxc6 Qxc6 5.Ng5 = (0.25) Depth: 14 00:01:22 93319kN 1.axb4 = (0.25) Depth: 14 00:01:50 125833kN 1.axb4 axb4 2.Qf4 Ra6 3.Ng5 f6 4.Qc1 ± (0.90) Depth: 14 00:02:42 183673kN 1.axb4 axb4 2.Ng5 ± (1.13) Depth: 15 00:05:53 414994kN 1.axb4 axb4 2.Ng5 ± (1.13) Depth: 16 00:08:32 633215kN 1.Ng5 ± (1.13) Depth: 16 00:19:41 1440588kN 1.Ng5 Qe8 2.Qf4 f6 3.Rxd7 Rxd7 4.Be6+ ± (1.16) Depth: 16 00:27:19 1959641kN (Silver, Private 04.09.2004)
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