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Subject: Re: Endgame Test Position Anand vs Topalov ; 2nd part

Author: Joachim Rang

Date: 09:48:07 02/25/05

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On February 25, 2005 at 12:22:33, Vincent Lejeune wrote:

>[d]8/8/8/1k6/4p1B1/2K2p2/P7/8 w - - 0 55
>
>Here Anand play 55.Kd2, I think it's a mistake , it only length the game by 2
>moves
>
>Kb3 immediatly, with the idea to push the pawn to a8 seems stronger
>
>Do your engine find Kb3! ?

Are you sure Kb3 is the shortest way? This is was Fruit 2.0 says after 10
minutes (on Pentium M 1.6 GHz):

8/8/8/1k6/4p1B1/2K2p2/P7/8 w - -

Engine: Fruit 2.0-fast (128 MB)
von Fabien Letouzey

16/24  0:01   +0.64    1.Kd2 f2 2.Ke2 e3 3.Lc8 Ka5 4.Lf5 Kb4
                       5.Ld3 Ka3 6.Lc4 Kb4 7.Kxe3 Kxc4
                       8.Kxf2 Kd5 (1.667.707) 1383

16/29  0:02   +0.72    1.Kb3 Kc5 2.a4 Kd4 3.a5 Kc5 4.Ka4 f2
                       5.Le2 e3 6.Kb3 Kd5 7.Lc4+ Kc6 8.Kc3 Kc5
                       9.a6 (3.887.291) 1402

17/38  0:03   +0.66    1.Kb3 Kc5 2.a4 Kd4 3.Kc2 Kc4 4.Kd2 f2
                       5.Ke2 e3 6.Lf5 Kc5 7.Lg6 Kb4 8.Le8 Ka5
                       9.Lc6 (4.724.950) 1401

18/38  0:04   +0.64    1.Kb3 Kc5 2.a4 Kd4 3.Kc2 Kc4 4.Kd2 f2
                       5.Ke2 e3 6.Lf5 Kc5 7.Lg6 Kb4 8.Le8 Kc5
                       9.a5 Kd5 10.Lf7+ Kc5 (6.169.476) 1405

19/39  0:06   +0.64    1.Kb3 Kc5 2.a4 Kd4 3.Kc2 Kc4 4.Kd2 f2
                       5.Ke2 e3 6.Lf5 Kc5 7.Lg6 Kb4 8.Le8 Ka5
                       9.Ld7 Kb6 10.Le6 (8.869.988) 1409

20/40  0:08   +0.64    1.Kb3 Kc5 2.a4 Kd4 3.Kc2 Kc4 4.Kd2 f2
                       5.Ke2 e3 6.Lf5 Kc5 7.Lg6 Kb6 8.Le8 Ka6
                       9.Lb5+ Ka5 10.Ld7 Kb6 11.Lf5 (11.890.484) 1409

21/48  0:11   +0.64    1.Kb3 Kc5 2.a4 Kd4 3.Kc2 Kc4 4.Kd2 f2
                       5.Ke2 e3 6.Lf5 Kc5 7.Lg6 Kc4 8.Le8 Kb4
                       9.Lb5 Ka5 10.Ld7 Kb6 11.Le6 (15.805.656) 1387

22/48  0:15   +0.68    1.Kb3 Kc5 2.Lf5 Kd4 3.Kc2 f2 4.Lh3 Kc4
                       5.a3 Kb5 6.Kb3 e3 7.Lf1+ Ka5 8.a4 Kb6
                       9.Kb4 Kc6 10.Lb5+ Kd5 11.a5 Kd6
                       12.a6 Kc7 (21.278.799) 1394

23/48  0:19   +0.73    1.Kb3 Kc5 2.Lf5 Kd4 3.Kc2 f2 4.Lh3 Kc4
                       5.a3 Kb5 6.Kb3 Kc5 7.a4 Kb6 8.Kb4 Ka7
                       9.Lf1 Kb7 10.a5 Kc6 11.Kc3 Kc5 12.a6 (27.422.354) 1384

24/54  0:28   +0.72    1.Kb3 Kc5 2.Lf5 Kd4 3.Kc2 f2 4.Lh3 Kc4
                       5.a3 Kb5 6.Kb3 Kc5 7.a4 Kb6 8.Kb4 Kc6
                       9.a5 e3 10.Lf1 Kd5 11.Lc4+ Kc6
                       12.Kc3 Kc5 13.a6 (38.481.205) 1363

25/58  0:52   +0.92    1.Kb3 Kc5 2.Lf5 Kd4 3.Kc2 Ke5 4.Lc8 Kd4
                       5.Lb7 f2 6.La6 Kc5 7.Kb3 Kb6 8.Le2 Kc5
                       9.a4 Kd5 10.a5 Kc5 11.Kb2 Kc6 12.Kc3 Kc5
                       13.a6 (68.301.332) 1309

26/64  1:27   +1.65    1.Kb3 Kc5 2.Lf5 Kd4 3.Kc2 Ke5 4.Lc8 Kd4
                       5.Lb7 f2 6.La6 Kc5 7.Kb3 Kb6 8.Lf1 Ka5
                       9.Le2 e3 10.Lf1 Kb6 11.Kc2 Kc5
                       12.Kc3 e2 13.Lxe2 Kd5 14.Lc4+ (112.657.517) 1291

27/64  2:00   +1.99    1.Kb3 Kc5 2.Lf5 Kd4 3.Kc2 Ke5 4.Lc8 Kd4
                       5.Lb7 f2 6.La6 Kc5 7.Kb3 Kb6 8.Lf1 Ka5
                       9.Le2 Kb6 10.Kb4 e3 11.Ld3 Kc6
                       12.Kc4 e2 13.Lxe2 Kd6 14.Kd4 (155.015.014) 1286

27/64  2:15   +2.71    1.Kd2 f2 2.Le2+ Kb4 3.Kc2 Ka3 4.Kb1 Ka4
                       5.Kb2 Kb4 6.a3+ Ka4 7.Lc4 e3 8.Le2 Ka5
                       9.Kb3 Kb6 10.Kb4 Kc6 11.a4 Kb7 12.a5 Kc6
                       13.Kc4 Kc7 14.Kd4 (177.197.859) 1308

28/64  2:34   +3.11    1.Kd2 f2 2.Le2+ Kb4 3.Kc2 Ka3 4.Kb1 e3
                       5.Ld3 Kb4 6.Kb2 Ka4 7.a3 Ka5 8.Kb3 Kb6
                       9.Kb4 Kc6 10.a4 Kd5 11.a5 Kd6 12.Kb5 e2
                       13.Lxe2 Kc7 14.a6 (208.142.704) 1347

29/64  3:21   +3.18    1.Kd2 f2 2.Le2+ Kb4 3.Kc2 Ka3 4.Kb1 e3
                       5.Ld3 Kb4 6.Kb2 Ka4 7.a3 Ka5 8.Kb3 Kb6
                       9.Kb4 Kc6 10.a4 Kd5 11.a5 Kd4 12.Le2 Kd5
                       13.a6 Kc6 14.Kc4 (272.679.498) 1353

30/64  4:57   +3.22    1.Kd2 f2 2.Le2+ Kb4 3.Kc2 Ka3 4.Kb1 e3
                       5.Ld3 Ka4 6.Kb2 Kb4 7.a3+ Ka4 8.Ka2 Ka5
                       9.Kb3 Kb6 10.Kb4 Kc6 11.a4 Kd5 12.a5 Kd6
                       13.Le2 Kd5 14.a6 (394.762.887) 1327

31/64  7:17   +3.67    1.Kd2 f2 2.Le2+ Kb4 3.Kc2 Ka3 4.Kb1 e3
                       5.Ld3 Ka4 6.Kb2 Kb4 7.a3+ Ka4 8.Ka2 Ka5
                       9.Kb3 Kb6 10.Kb4 Kc6 11.a4 Kd5 12.a5 Kd6
                       13.Le2 Kd5 14.Kb5 (593.555.846) 1358


regards Joachim




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