Author: Will Singleton
Date: 09:57:04 09/23/02
Go up one level in this thread
On September 23, 2002 at 12:35:19, Andrew Williams wrote: >On September 23, 2002 at 12:25:01, Will Singleton wrote: > >>My first game with Amateur-Ruffian, and the following position arose. 10 secs >>to find the win, looks like over a million nps (1.6ghz amd). I tried Yace on >>this, not even close. I wonder what CT, Fritz or Crafty will do? >> >>Look at the speed at which it gets to 18 ply, with the score jumping to +5. >>Looks pretty good to me. btw, during the game (40 moves/4 min), using HT, I >>think it found the move much quicker than 10 sec. >> >>[D]8/3R4/6p1/5n2/1K4p1/r2N1k2/5P2/8 b - - 0 1 >> >>32406 <first : 11 157 688 8170317 Ra2 Rd8 Ra6 Kc4 Ra3 Ne5+ Kxf2 Nxg4+ Kg3 Nf6 >>34459 <first : 11 161 893 10645757 Ra1 Kc3 Ra6 Rf7 Ra3+ Kd2 Ra2+ Kc3 Ke4 Rf6 >>36041 <first : 11 163 1051 12528090 Ra8 Kc3 Ke2 Kb3 Rc8 Kb4 Rc6 Ne5 Re6 Rd5 >>36252 <first : 11 165 1071 12792218 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Kc3 g3 >>36492 <first : 12 167 1095 13100103 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Kc3 g3 >>36873 <first : 13 169 1133 13590317 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Kc3 g3 >>37664 <first : 14 204 1214 14638687 Rxd3 >>37674 <first : ++ >>38435 <first : 14 233 1291 15748916 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3 >>39647 <first : 15 255 1412 17401035 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3 >>41249 <first : 16 290 1572 19638104 Rxd3 >>41259 <first : ++ >>42631 <first : 16 515 1710 21654411 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3 >>46316 <first : 17 522 2078 26766445 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3 >>53026 <first : 18 522 2750 35978459 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3 >>Rg1 Kf3 Kc5 g2 Kd5 Kf2 Rxg2+ Kxg2 Ke5 Kf3 Kf6 Nh4 Kg5 Kg3 >> >>(pv's are truncated for readability) >> >>Will > >This might just be some piece of knowledge? PM gets Rxd3 at ply 1. However, PM's >score is nothing special and it's a lot slower than ruffian: > > 1b +1.31 00:00:00.00 19 1...Ra6 > 1b +1.37 00:00:00.00 41 1...Rxd3 > 1= +2.08 00:00:00.00 76 1...Rxd3 2.Rxd3 Kxf2 > 2> +2.08 00:00:00.00 80 1...Rxd3 2.Rxd3 Kxf2 > 2= +2.08 00:00:00.00 107 1...Rxd3 2.Rxd3 Kxf2 > 3> +2.08 00:00:00.00 127 1...Rxd3 2.Rxd3 Kxf2 > 3= +2.08 00:00:00.01 192 1...Rxd3 2.Rxd3 Kxf2 > 4> +1.72 00:00:00.01 542 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 4= +1.75 00:00:00.01 584 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 5> +1.75 00:00:00.01 724 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 5= +1.75 00:00:00.01 1228 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 6> +1.75 00:00:00.01 1452 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 6= +1.75 00:00:00.03 4122 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 7> +1.75 00:00:00.03 4700 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 7= +1.75 00:00:00.05 9285 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 > 8> +1.75 00:00:00.06 11461 1...Rxd3 2.Rxd3 Kxf2 3.Kc5 g3 > 8= +2.17 00:00:00.12 27523 1...Rxd3 2.Rxd3 Kxf2 3.Rd2 Kf3 4.Rd3 Ne3 > 5.Rd6 g3 6.Rf6 Nf5 7.Rxg6 > 9> +2.07 00:00:00.22 54067 1...Rxd3 2.Rxd3 Kxf2 3.Rd2 Kf3 4.Rd3 Ke2 > 5.Rd7 g3 > 9= +2.10 00:00:00.22 54599 1...Rxd3 2.Rxd3 Kxf2 3.Rd2 Kf3 4.Rd3 Ke2 > 5.Rd7 g3 >10> +2.10 00:00:00.26 66661 1...Rxd3 2.Rxd3 Kxf2 3.Rd2 Kf3 4.Rd3 Ke2 > 5.Rd7 g3 >10= +2.10 00:00:00.40 99948 1...Rxd3 2.Rxd3 Kxf2 3.Rd2 Kf3 4.Rd3 Ke2 > 5.Rd7 g3 >11> +2.10 00:00:00.52 133960 1...Rxd3 2.Rxd3 Kxf2 3.Rd2 Kf3 4.Rd3 Ke2 > 5.Rd7 g3 >... > >Same score & PV all the way down to depth 18 > >Andrew That's interesting. I tested all my freeware engines, comet, yace, aristarch, pepito, none of them could find it in under 2 minutes. You must be right, it's got to be endgame knowledge. Impressive for PM. Will
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.