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Subject: Re: fairly tough position : Ruffian Nd4 : 22 seconds

Author: Johan Havegheer

Date: 00:11:27 07/21/04

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On July 20, 2004 at 23:57:41, Jon Dart wrote:

>From a test game between two Arasan versions:
>
>[D] 2R2b1r/3nkp2/B2pp1p1/1N4Pn/P3P3/4BP2/1r5q/3QK1R1 w - -
>
Ruffian 2.1.0 finds Nd4 in 22 sec.
AMD XP2800+ @ 2.19Ghz

  1/4	00:00	           7	0	+0.80	f3f4
  1/4	00:00	           8	0	+1.01	a4a5
  1/4	00:00	          75	0	+1.08	Tc8c7
  2/7	00:00	         384	0	+0.13	Tc8c7 Dh2h4+ Ke1f1
  2/7	00:00	         670	0	+0.25	La6b7 Dh2h4+ Ke1f1
  2/7	00:00	       1.034	0	+0.66	Dd1d3 Lf8g7
  3/10	00:00	       6.721	0	+0.77	Dd1d3 Pd7c5 Dd3d4
  3/10	00:00	       8.841	0	+1.12	Le3d4 Dh2h4+ Ke1f1 Dh4h3+ Kf1e1
  4/10	00:00	      12.002	1.200.200	 0.00	Le3d4 Dh2h4+ Ke1f1 Dh4h3+ Kf1e1 Dh3h4+
  4/10	00:00	      19.225	1.922.500	+0.48	Dd1d3 Tb2a2 Le3d4 Ta2xa4
  4/10	00:00	      24.011	800.366	+0.73	Tg1g4 Lf8g7 Tc8xh8 Lg7xh8 Le3d2
  4/12	00:00	      30.555	1.018.500	+0.85	Tg1f1 Lf8g7 Tc8xh8 Lg7xh8 Tf1f2
  5/13	00:00	      43.443	1.086.075	+0.63	Tg1f1 Lf8g7 Tc8c7 Dh2h4+ Le3f2 Dh4f4
  5/13	00:00	      65.609	1.093.483	+0.96	Tg1g4 Lf8g7 Le3g1 Dh2e5 Lg1d4
  6/17	00:00	     178.437	1.486.975	+1.28	Tg1g4 Ph5g7 Tc8c6 Pg7e8 Le3d4 Dh2h1+
Tg4g1
  7/18	00:00	     358.291	1.433.164	+1.03	Tg1g4 Ph5g7 Tc8c6 Pg7e8 Le3g1 Dh2e5
Lg1d4
  8/22	00:01	   1.130.361	1.548.439	+1.15	Tg1g4 Ph5g7 Tc8c6 Pg7e8 Le3d4 Dh2h1+
Tg4g1 Dh1h4+ Ke1f1 Dh4h3+ Kf1e1
  9/27	00:03	   4.252.690	1.569.258	+1.37	Tg1g4 f7f5 Le3g1 Dh2e2+ Dd1xe2 Tb2xe2+
Ke1xe2 f5xg4 f3xg4 Ph5f4+ Ke2f1 Lf8g7 Tc8xh8 Lg7xh8
 10/28-	00:04	   6.593.299	1.644.214	+1.02	Tg1g4
 10/28	00:06	  10.264.785	1.619.051	-0.66	Tg1g4 f7f5 Le3g1 Dh2e5 Lg1d4 Ph5g3
Ld4xb2 Th8h1+ Ke1f2 Pg3xe4+ f3xe4 De5xb2+ Tc8c2 Th1xd1
 10/28	00:10	  15.497.857	1.570.198	-0.22	Tg1f1 Lf8g7 Tc8xh8 Lg7xh8 Le3g1 Dh2f4
Tf1f2 Df4g3 Ke1f1 Pd7c5 La6c8
 10/28	00:15	  22.845.333	1.545.692	-0.01	Dd1d3 Tb2a2 Tc8c1 Lf8g7 f3f4 d6d5
e4xd5 e6xd5 Pb5c7 Ph5xf4 Pc7xd5+ Pf4xd5 Dd3xd5 Ta2xa4
 10/30	00:22	  33.327.265	1.524.577	 0.00	Pb5d4 Dh2h4+ Ke1f1 Dh4h3+ Kf1e1 Dh3h4+

Best
Johan



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