Author: Jonas Cohonas
Date: 12:22:42 06/25/05
Go up one level in this thread
On June 25, 2005 at 15:02:44, Yar wrote: >What engine can find Rh5! ? > > >With best regards, > >Yar Fruit with futility pruning and delta pruning finds it fast: Analysis by Fruit 2.1: 44...Rh7 -+ (-1.46) Depth: 1/1 00:00:00 44...Rh7 45.Re1 µ (-1.30) Depth: 2/4 00:00:00 44...Rh7 45.Rb1 Rc7 46.Rb6+ Rc6 -+ (-1.50) Depth: 3/7 00:00:00 44...Rh7 45.Ra1 Kc5 46.Rc1+ Kd4 µ (-1.33) Depth: 4/8 00:00:00 44...Rh7 45.Rb1 Kc5 46.Rc1+ Kd4 47.Re1 µ (-1.33) Depth: 5/10 00:00:00 44...Rh7 45.Ra1 Rc7 46.Kf4 Rc6 47.Kg5 µ (-1.29) Depth: 6/12 00:00:00 2kN 44...Rh7 45.Ra1 Kc5 46.Rc1+ Kb6 47.Rb1+ Kc6 48.Rc1+ Kb5 49.Re1 µ (-1.25) Depth: 7/13 00:00:00 3kN 44...Rh7 45.Ra1 Rc7 46.Kf4 Rc6 47.h5 Rc4+ 48.Kg5 gxh5 49.Kxf5 µ (-1.25) Depth: 8/16 00:00:00 5kN 44...Rh7 45.Ra1 d4 46.Ra6+ Kc5 47.Rxg6 d3 48.Rg8 d2 49.Rd8 Rg7+ 50.Kf2 µ (-1.34) Depth: 9/18 00:00:00 15kN 44...Rh7 45.Ra1 Ke5 46.Ra6 Rg7 47.Kf2 d4 48.Ke2 Rh7 49.Rxg6 Rxh4 µ (-1.24) Depth: 10/20 00:00:00 22kN 44...Rh7 45.Ra1 Ke5 46.Ra6 Rg7 47.Kf2 d4 48.Ke2 Rh7 49.Rxg6 Rxh4 µ (-1.24) Depth: 11/22 00:00:00 38kN 44...Rh7 45.Ra1 Kc5 46.Rc1+ Kd4 47.Rc6 Rh6 48.Rc1 Ke3 49.Rc6 d4 50.Re6+ Kd2 51.Kf2 µ (-1.27) Depth: 12/24 00:00:00 73kN 44...Rh7 45.Rb1 Kc6 46.Rd1 Re7 47.Kf4 Re6 48.h5 gxh5 49.Rh1 d4 50.Rxh5 d3 51.Rxf5 µ (-1.22) Depth: 13/25 00:00:00 388kN 44...Rh8 45.Ra1 d4 46.Ra6+ Kc5 47.Rxg6 d3 48.Kf2 Rxh4 49.Ke3 Rd4 50.Kd2 Rd7 51.Re6 µ (-1.23) Depth: 13/25 00:00:00 573kN 44...Rh5 45.Ra1 Kc5 46.Ra6 Rh6 47.Ra5+ Kc4 48.Kf2 d4 49.Ke2 Rh8 50.Ra6 Rg8 51.Rc6+ Kd5 µ (-1.29) Depth: 13/25 00:00:01 732kN 44...Rh5 45.Ra1 Kc5 46.Ra6 Rh6 47.Ra5+ Kc4 48.Kf2 d4 49.Ke2 Rh8 50.Ra6 Rxh4 51.Rc6+ Kd5 52.Rxg6 Rh2+ 53.Kd3 µ (-1.27) Depth: 14/27 00:00:01 929kN 44...Rh5 45.Ra1 Kc5 46.Ra6 Rh6 47.h5 Rxh5 48.Rxg6 d4 49.Kf4 Kb4 50.Rb6+ Kc4 51.Rb7 Kd5 52.Rb3 µ (-1.24) Depth: 15/27 00:00:01 1139kN 44...Rh5 45.Ra1 Kc5 46.Ra6 Rh6 47.Ra5+ Kc4 48.Kf2 d4 49.Ke2 Rh8 50.Ra6 Rg8 51.Kd2 Kb5 52.Re6 Kc4 53.Rc6+ Kd5 µ (-1.29) Depth: 16/28 00:00:03 2633kN 44...Rh5 45.Ra1 Kc5 46.Rc1+ Kb5 47.Rb1+ Kc4 48.Rb6 Rh6 49.h5 Rxh5 50.Rc6+ Kb4 51.Rb6+ Kc3 52.Rc6+ Kd2 53.Rxg6 d4 54.Kf4 d3 55.Re6 µ (-1.31) Depth: 17/30 00:00:08 6737kN 44...Rh5 45.Ra1 Kc5 46.Rc1+ Kb5 47.Rb1+ Kc4 48.Rb6 Rh6 49.h5 Rxh5 50.Rc6+ Kb5 51.Rxg6 d4 52.Kf4 Kb4 53.Rb6+ Kc4 54.Rb7 Kd5 55.Rb3 µ (-1.24) Depth: 18/33 00:00:13 11024kN 44...Rh5 45.f4 Rh8 46.Ra1 Rc8 47.Kf3 Rc3+ 48.Ke2 Rh3 49.Ra6+ Kc5 50.Rxg6 Rxh4 51.Kf3 d4 52.Rg5 d3 53.Rxf5+ Kd4 54.Rf6 Rh3+ 55.Kg4 Rh2 56.Rd6+ Ke4 µ (-1.31) Depth: 19/48 00:00:54 45476kN 44...Rh5 45.f4 Rh8 46.Ra1 Rc8 47.Kf2 d4 48.Rg1 Rc2+ 49.Kf3 Rc3+ 50.Ke2 Re3+ 51.Kd2 Rh3 52.Rxg6+ Kd5 53.Rf6 Ke4 54.Re6+ Kxf4 55.h5 Kg5 56.Rd6 f4 57.Rxd4 Rxh5 µ (-1.31) Depth: 20/48 00:01:11 60152kN 44...Rh5 45.f4 Rh8 46.Ra1 Rc8 47.Kf3 Rc3+ 48.Ke2 Rg3 49.Ra6+ Kc5 50.Kf2 Rg4 51.Kf3 Rxh4 52.Rxg6 d4 53.Rg5 d3 54.Rxf5+ Kd4 55.Rf6 Rh3+ 56.Kg4 Rh2 57.Rd6+ Ke4 µ (-1.31) Depth: 21/48 00:01:48 91497kN 44...Rh5 45.f4 Rh8 46.Ra1 Rc8 47.Rg1 d4 48.Kf3 Rc3+ 49.Ke2 Re3+ 50.Kd2 Kd5 51.Rxg6 Rh3 52.Rf6 Ke4 53.Re6+ Kxf4 54.h5 Kg5 55.Rd6 f4 56.Rxd4 Rxh5 57.Rd5+ Kg4 58.Rxh5 Kxh5 µ (-1.29) Depth: 22/48 00:02:56 150158kN 44...Rh7 45.Rd2 Kc5 46.Rc2+ Kb5 47.Rb2+ Kc4 48.Rb6 Rh6 49.h5 f4+ 50.Kh3 d4 51.Rc6+ Kb4 52.Rb6+ Kc5 53.Rxg6 d3 54.Rg1 Rxh5+ 55.Kg4 Rd5 56.Rc1+ Kd4 57.Kxf4 d2 58.Rd1 Kc3 59.Ke4 µ (-1.37) Depth: 22/53 00:10:31 525930kN Then switches to Rh7 after 10 min, maybe it will switch back again later, but then maybe Hydra would have too if it had taken more time :)
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