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Subject: ruffian position

Author: Will Singleton

Date: 09:25:01 09/23/02


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



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