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Subject: Re: ruffian position

Author: Chessfun

Date: 09:28:14 09/23/02

Go up one level in this thread


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


ChessTiger 15 normal AMD 1400

00:00:00.0	1.56	1	9	Rxd3 Rxd3+ Kxf2
00:00:00.0	1.56	1	28	Rxd3 Rxd3+ Kxf2
00:00:00.0	1.58	2	119	Rxd3 Rxd3+ Kxf2
00:00:00.0	1.89	3	423	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3
00:00:00.0	1.93	4	1223	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Rd8
00:00:00.0	1.99	5	2786	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Kc3 g3
00:00:00.0	1.93	6	5991	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Kc3 g3 Rd3+ Ke2
00:00:00.2	2.07	7	16574	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Rg2 g3 Kc5 g5
00:00:00.5	2.11	8	37520	Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rc2 g3 Rc3+ Kf2
00:00:00.9	2.19	9	75165	Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Kc3 g3 Rd3+ Ke4 Rd2 Ke3 Rd3+
Ke2
00:00:01.8	2.29	10	139925	Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Kc3 g3 Rd3+ Ke4 Rd2 g5 Ra2
Ke3
00:00:03.8	2.35	11	302007	Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Ke4 Kc3 g3 Rd2 g5 Kb4
Kf3 Rd5
00:00:06.4	3.25	12	770973	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Rc2 g3 Rc6 g5 Rg6 Kf4 Kc5 g2
00:00:07.3	4.26	12	1116030	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Kc3 g3 Rd3+ Ke2 Rd2+ Kf3
Rd3+ Kf2 Rd2+ Kg1 Rd1+ Kh2 Rd7
00:00:07.6	4.26	13	1186613	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Kc3 g3 Rd3+ Ke2 Rd2+ Kf3
Rd3+ Kf2 Rd2+ Kg1 Rd1+ Kh2 Rd7
00:00:08.7	4.26	14	1345247	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Kc3 g3 Rd3+ Ke2 Rd2+ Kf3
Rd3+ Kf2 Rd2+ Kg1 Rd1+ Kh2 Rd7
00:00:16.0	5.16	15	2432053	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Kc3 g3 Rd3+ Ke2 Rd2+ Kf3
Rd3+ Ke4 Rd2 g5 Kb4 Kf3 Rd5 g2
00:00:32.5	5.66	15	6084053	Rxd3 Rxd3+ Kxf2 Rd2+ Ke3 Rg2 g3 Kc5 Kf3 Rg1 g2 Ra1
Ng3 Kd6 Nf1 Ra3+ Ke2 Ra2+ Kf3

Sarah.



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