Author: George Tsavdaris
Date: 11:09:27 11/09/03
Go up one level in this thread
On November 09, 2003 at 13:58:58, F. Huber wrote: >On November 09, 2003 at 12:22:57, K. Burcham wrote: > >> >> >>Shredder 7 mate in 4 seconds >>Ruffian 1.0.5 mate in 6 seconds >>Chess Tiger 14.0 mate in 16 seconds >>ChestUCI Ver.2.7 mate in 349 seconds >> >> [D] 3k2r1/1Pr4p/2bbpPP1/2pp3P/1NP2N1r/QnB5/4B3/3RK1R1 w - - >> >>Shredder 7 >>2158mhz AMD >>192 hash >> >> 8/29 0:00 +39.22 1.b8Q+ Kd7 2.Qxg8 Bxf4 3.Nxc6 Bg3+ 4.Rxg3 Rh1+ 5.Bf1 hxg6 >>6.Ne5+ Kd6 7.Qxb3 Rxh5 8.cxd5 exd5 (393.569) 412.9 >> 9/29 0:02 +39.47++ 1.b8Q+ Kd7 2.Qxg8 Rxf4 3.cxd5 exd5 4.Nxc6 hxg6 5.Nb8+ >>(1.006.911) 466.8 >> 9/29 0:02 +39.97++ 1.b8Q+ Kd7 2.Qxg8 Rxf4 3.cxd5 exd5 4.Nxc6 Rxc6 5.Qa7+ Bc7 >>6.Rxd5+ Rd6 7.Bb5+ (1.049.190) 463.0 >> 9/36 0:04 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ Ke6 10.g8Q+ (1.911.381) 463.3 >> 10/10 0:04 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ Ke6 10.g8Q+ (2.096.658) 467.4 >> 11/11 0:05 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ (2.746.841) 461.4 >> 12/31 0:07 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ (3.638.002) 471.3 >> 13/19 0:08 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ (3.788.690) 472.6 >> 14/35 0:10 +M12 1.b8Q+ Kd7 2.Qxg8 e5 3.Nxc6 Kxc6 4.Qxd5+ Kb6 5.Qxb3+ Ka6 >>(4.875.519) 474.1 >> 15/25 0:11 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ (5.392.770) 487.4 >> 16/28 0:11 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ (5.947.981) 500.2 >> 17/20 0:13 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ (6.993.039) 527.7 >> 18/28 0:17 +M12 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Ke7 5.Nxc6+ Kf6 >>6.Bxd4+ e5 7.Nxd5+ Kf5 8.f8Q+ Bxf8 9.g7+ (9.754.062) 573.2 >> 19/24 0:24 +M11 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Ke8 4.f7+ Kd8 5.Nxc6+ Nxc6 >>6.Nxe6+ Kc8 7.f8R+ Kb7 8.Qa8+ (15.055.097) 613.6 >> 20/28 0:40 +M9 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Nxc6 Nc2+ 4.Kd2 Bxf4+ 5.Kxc2 Rc8 >>6.Qxh7+ Kd6 7.Qaa7 (26.726.347) 654.0 >>best move: b7-b8Q time: 1:10.063 min n/s: 681.457 CPU 98.4% nodes: 47.744.972 >> >> >>Ruffian 1.0.5 >>2158 mhz AMD >>192 hash >> >> 7/24 0:00 +28.70 1.b8Q+ Kd7 2.Qxg8 Bxf4 3.gxh7 Bg3+ 4.Rxg3 Rh1+ 5.Bf1 Rxf1+ >>6.Kxf1 Nd2+ 7.Rxd2 cxb4 (980.307) 1307.0 >> 8/24 0:01 +29.05++ 1.b8Q+ (2.446.084) 1374.2 >> 8/25 0:03 +42.56 1.b8Q+ Kd7 2.Qxg8 Nd4 3.gxh7 Bf8 4.Qf7+ Kd6 5.Qxf8+ Ke5 >>6.Bxd4+ cxd4 7.Ng6+ Kf5 8.Nxh4+ Kf4 9.h8Q dxc4 (5.006.066) 1455.2 >> 9/28 0:05 +42.91++ 1.b8Q+ (9.217.077) 1586.4 >> 9/28 0:06 +M9 1.b8Q+ Kd7 2.Qxg8 Nd4 3.gxh7 Bf8 4.Qf7+ Kd6 5.Qxf8+ Ke5 >>6.Bxd4+ cxd4 7.Ng6+ Kf5 8.Qf3+ Rf4 9.Qxf4+ (10.480.680) 1597.6 >> 10/28 0:15 +M9 1.b8Q+ Kd7 2.Qxg8 Nd4 3.gxh7 Nc2+ 4.Nxc2 Rg4 5.Qxe6+ Kd8 >>6.h8Q+ Rg8 7.Qxd6+ Kc8 8.Rxg8+ Be8 9.Qa8+ (25.780.863) 1681.7 >> 11/28 0:45 +M9 1.b8Q+ Kd7 2.Qxg8 Nd4 3.gxh7 Nc2+ 4.Nxc2 Rg4 5.Qxe6+ Kd8 >>6.h8Q+ Rg8 7.Qxd6+ Kc8 8.Rxg8+ Be8 9.Qa8+ (79.486.890) 1729.1 >> 12/28 2:09 +M8 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qf7+ Kc8 4.Qa6+ Rb7 5.Nxc6 Nc2+ >>6.Kd2 Bxf4+ 7.Kxc2 dxc4 8.Qfxb7+ (226.213.948) 1749.7 >>best move: b7-b8Q time: 2:29.984 min n/s: 1.755.567 CPU 98.0% nodes: >>263.300.004 >> >> >>Chess Tiger 14.0: >> >>1.b8Q+ >> +- (32.06) Depth: 9 00:00:02 2021kN >>1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qxh7+ Kc8 4.g7 Rxg7 5.fxg7 Nf3+ 6.Bxf3 >> +- (38.12) Depth: 9 00:00:04 3066kN >>1.b8Q+ >> +- (39.02) Depth: 10 00:00:11 8314kN >>1.b8Q+ Kd7 2.Qxg8 Nd4 3.Nxc6 Nc2+ 4.Kd2 Bxf4+ 5.Kxc2 Rxc6 6.Qxh7+ Kc8 7.Qa8+ Bb8 >>8.Qab7+ Kd8 >> +- (#9) Depth: 10 00:00:16 11488kN >>1.b8Q+ Kd7 2.Qxg8 Nd4 3.Nxc6 Nc2+ 4.Kd2 >> +- (#9) Depth: 11 00:00:33 23865kN >> >> >> >>ChestUCI Ver.2.7 >>Franz Huber >>CPU: 2158mhzAMD >>FEN: 3k2r1/1Pr4p/2bbpPP1/2pp3P/1NP2N1r/QnB5/4B3/3RK1R1 w - - >>Search for Mate in 12 ... (Hash=192MB) >>Mate in 8 found ! (1 Solution in 05:49) >> 8/08 5:49 +M8 1.b8Q+ Kd7 2.Qxg8 Nd4 3.Qf7+ Be7 4.Qxe7+ Kc8 5.Qa6+ Rb7 >>6.Nxc6 Nc2+ 7.Kd2 Na1 8.Qexb7+ 242.8 >>best move: b7-b8Q time: 5:49.937 min n/s: 242.843 nodes: 84.884.919 > >Hi, > >no, there´s nothing wrong with your Chest settings, but I´m really >wondering what you are comparing here (?). > >Looking at your text _I_ see the following: > >Shredder 7 ONLY a mate in 9 in 40 seconds (not the shortest!) >Ruffian 1.0.5 a mate in 8 in 129 seconds (the shortest?, the only?) >Chess Tiger 14.0 ONLY a mate in 9 in 16 seconds (not the shortest!) >ChestUCI Ver.2.7 the shortest and only mate in 9 in 349 seconds You mean of course mate in 8 in 349 seconds. > >I hope you understand, what I want to say with it: >You are comparing absolutely different things - >a mate solver searches for the _shortest_ mate and for _all_ solutions, >where a normal chess engines finds _any_ mate (if at all). >So the ´solutions´ of Shredder7 and CT14 are not really ones; >Ruffians solution is ok, but you can´t be sure if this is the shortest >(and the only) one - and so the time difference between Ruffian and Chest >isn´t really dramatically. > >Btw., one way to eventually solve this problem faster could be to increase >the hash size, but only if the hash usage (in ChestUCI) is growing up >to 100% (and if you have more RAM, of course). > >Best regards, >Franz.
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