Author: Ricardo Gibert
Date: 12:03:51 05/21/05
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On May 21, 2005 at 13:10:16, Terry Giles wrote: >On May 21, 2005 at 11:23:12, Ricardo Gibert wrote: > >>More interesting is the following: >> >>[D]rn1q1rk1/p5p1/b3pb2/2p3P1/2P5/1Pp3P1/P1QB1P2/1B2K2R w K - 0 20 >> >>There is no hope for Ruffian to find the stupendous 20.Bf4 from move 17, but if >>it is started on the position just before 20.Bf4 it manages after a lot of >>effort: >> >>Ruffian 1.0.1 UCI 13 MB: >>D1 00:00 -6.70 gxf6 cxd2 Qxd2 Qxf6 >>D1 00:00 -6.63 Be3 >>D1 00:00 -2.84 Qh7 Kf7 Bg6 Ke7 gxf6 >>D2 00:00 -2.31 Qh7 Kf7 Bg6 Ke7 gxf6 Kd6 >>D3 00:00 -1.92 Qh7 Kf7 Bg6 Ke7 gxf6 Kxf6 Bxc3 e5 f4 >>D4 00:00 -1.93 Qh7 Kf7 Qh5 Ke7 gxf6 gxf6 Qxc5 Qd6 Qxd6 Kxd6 Bxc3 >>D5 00:00 -1.27 Qh7 Kf7 Bg6 Ke7 gxf6 Kd6 Bxc3 gxf6 0-0 >>D6 00:00 -1.83 Qh7 Kf7 Qh5 Ke7 gxf6 Rxf6 Qxc5 Qd6 Qxd6 Kxd6 Bxc3 Rh6 Bb4 Kc6 >>D6 00:00 -0.39 Rh8 Kf7 Qg6 Ke7 gxf6 Kd7 Qxg7 Kc6 Be4 Kb6 Bxc3 Rxh8 Bxa8 >>D7 00:00 -0.39 Rh8 Kf7 Qg6 Ke7 gxf6 Kd7 Qxg7 Kc6 Be4 Kb6 Bxc3 Rxh8 Bxa8 >>D8 00:00 1.06 Rh8 Kf7 Qg6 Ke7 gxf6 Kd7 Qd3 Kc6 Qxd8 Rxd8 Rxd8 cxd2 Rxd2 Kb6 >>fxg7 Nc6 >>D9 00:01 1.19 Rh8 Kf7 Qg6 Ke7 gxf6 gxf6 Rh7 Kd6 Bf4 Kc6 Qe4 Kb6 Bc7 Qxc7 >>Rxc7 Kxc7 Qxa8 Kb6 >>D10+ 00:02 1.54 Rh8 >>D10 00:02 1.88 Rh8 Kf7 Qg6 Ke7 gxf6 gxf6 Rh7 Kd6 Bf4 Kc6 Qe4 Kb6 Bc7 Qxc7 >>Rxc7 Kxc7 Qxa8 Kb6 Bc2 >>D11+ 00:04 2.23 Rh8 >>D11 00:06 2.35 Rh8 Kf7 Qg6 Ke7 gxf6 gxf6 Rh7 Kd6 Bf4 Kc6 Qe4 Kb6 Bc7 Qxc7 >>Rxc7 Kxc7 Qxa8 Bb7 Qxa7 Kc6 >>D12 00:48 2.39 Rh8 Kf7 Qg6 Ke7 gxf6 gxf6 Rh7 Kd6 Bf4 Kc6 Qe4 Kb6 Bc7 Qxc7 >>Rxc7 Kxc7 Qxa8 Kb6 Qf3 Rd8 Qxc3 >>D13 01:29 2.27 Rh8 Kf7 Qg6 Ke7 gxf6 gxf6 Rh7 Kd6 Bf4 Kc6 Qe4 Kb6 Bc7 Qxc7 >>Rxc7 Kxc7 Qxa8 Kb6 Qf3 Nc6 Qxc3 Nd4 >>D13+ 03:04 2.74 Bf4 >>D13 03:36 3.68 Bf4 Kf7 Qg6 Ke7 gxf6 Rxf6 Qxg7 Rf7 Bg5 Kd6 Qxf7 Qxg5 Rh7 Qe5 >>Kf1 Kc6 Qf3 Kb6 Qxa8 Nc6 >>D14+ 05:01 4.03 Bf4 >>D14 06:23 4.22 Bf4 Kf7 Qg6 Ke7 gxf6 Rxf6 Qxg7 Rf7 Bg5 Kd6 Qxf7 Qxg5 Rh7 Qd8 >>Qf4 Kc6 Be4 Kb6 Bxa8 Qc8 Qd6 Nc6 Bxc6 Qxc6 Qxc6 Kxc6 Rxa7 >> >>How do the other engines do? > >Hi Ricardo, > >Chessmaster 9000 finds 20.Bf4, but believes it to be second best to 20.Rh8+ >I think either move wins. > >Terry 20.Rh8+ may win as well, but 20.Bf4 is much stronger. Ruffian took 3 minutes before switching from 20.Rh8+ to 20.Bf4 so it is not easy for engines to find.
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