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Subject: Re: Endgame Test Position Anand vs Topalov

Author: Rory Nolan

Date: 00:32:55 02/25/05

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On February 25, 2005 at 02:12:45, Tony Nichols wrote:

>On February 25, 2005 at 00:00:44, Terry McCracken wrote:
>
>>Does your program find Be2+!....?
>>
>>[D]8/8/8/1k6/4p1B1/8/P2K1p2/8 w - - 0 56
>>
>>Terry
>
>Good Test
>Shredder 9 at 35 ply likes Ke2+-
>Junior 9 at 31 ply likes Ke2 +/-
>Fritz 8 at 24 ply likes Ke2 +/-
>Hiarcs 9 at 19 ply likes Ke2 +/-
>surprisingly Fritz 5.32 finds Be2 at 15 ply! It also shows that Bh3 also wins.
>Crafty 19.01 also finds Be2
>Regards
>Tony
New game,
8/8/8/1k6/4p1B1/8/P2K1p2/8 w - - 0 1

Analysis by Gandalf 6.0:

1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bc6 Kb4
  ±  (1.12)   Depth: 7/13   00:00:00  10kN, tb=1645
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bc6 Kb4 5.Bb5
  ±  (1.08)   Depth: 8/13   00:00:00  14kN, tb=2261
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Kf1 Kb4 5.Bb5 Ka5
  ±  (1.40)   Depth: 9/15   00:00:00  20kN, tb=3179
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1
  +-  (1.79)   Depth: 10/16   00:00:00  30kN, tb=4701
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Kf1 Kb4
  +-  (1.44)   Depth: 11/17   00:00:00  38kN, tb=5922
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Kf1 Kb4 5.Bc6 Kc5 6.Bb5 Kd4 7.Kg2
  +-  (1.44)   Depth: 12/18   00:00:00  54kN, tb=7976
1.Ke2 e3
  +-  (1.79)   Depth: 13/18   00:00:00  63kN, tb=9252
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Kf1 Kb4 5.Bc6 Ka5 6.Bb5 Kb4 7.Kg2 Ka5
  +-  (1.79)   Depth: 13/19   00:00:01  75kN, tb=10342
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Kf1 Kb4 5.Bc6 Ka5 6.Bb5 Kb4 7.Kg2 Ka5
  ±  (1.24)   Depth: 14/20   00:00:01  105kN, tb=13370
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka3 6.Bd7 Kb4 7.Bc6 Ka5 8.Bb5 Kb4
  ±  (1.34)   Depth: 14/20   00:00:01  112kN, tb=13999
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka5 6.Bd7 Kb4 7.Bc6 Ka5 8.Bb5 Kb4
  ±  (1.34)   Depth: 15/20   00:00:01  155kN, tb=17105
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Kc5 6.Bd7 Kd6 7.Bh3 Kc5 8.Bg4 Kb4
9.Bd1
  ±  (1.24)   Depth: 16/22   00:00:02  239kN, tb=23628
1.Be2+ Ka4
  ±  (1.24)   Depth: 16/27   00:00:05  360kN, tb=36261
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Kc5 6.Bd7 Kd6 7.Bh3 Kc5 8.Bg4 Kb4
9.Bd1
  ±  (1.24)   Depth: 16/27   00:00:06  379kN, tb=37380
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Kc5 6.Bd7 Kb6 7.Be8 Ka6 8.Bb5+ Kb6
9.Bd7 Ka5 10.Bb5 Kb4
  ±  (1.34)   Depth: 17/34   00:00:06  463kN, tb=42063
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka5 6.Bd7 Kb6 7.Be8 Ka6 8.Bc6 Kb6
9.Bd7 Ka5 10.Bb5
  ±  (1.40)   Depth: 18/34   00:00:07  569kN, tb=47481
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka5 6.Bd7 Kb6 7.Be8 Ka6 8.Ke2 Ka5
9.Bd7 Ka6 10.Bb5+ Ka5 11.Kf1
  ±  (1.40)   Depth: 19/34   00:00:09  737kN, tb=57207
1.Be2+ Ka4
  ±  (1.40)   Depth: 19/40   00:00:16  1052kN, tb=82905
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka5 6.Bd7 Kb6 7.Be8 Ka6 8.Ke2 Ka5
9.Bd7 Ka6 10.Bb5+ Ka5 11.Kf1
  ±  (1.40)   Depth: 19/40   00:00:16  1107kN, tb=86193
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka5 6.Bd7 Kb6 7.Be8 Ka6 8.Ke2 Ka5
9.Bd7 Kb4 10.Bb5 Ka5 11.Kf1
  ±  (1.40)   Depth: 20/40   00:00:17  1264kN, tb=94852
1.Be2+ Ka4
  ±  (1.40)   Depth: 20/40   00:00:19  1305kN, tb=99754
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka5 6.Bd7 Kb6 7.Be8 Ka6 8.Ke2 Ka5
9.Bd7 Kb4 10.Bb5 Ka5 11.Kf1
  ±  (1.40)   Depth: 20/40   00:00:20  1466kN, tb=105270
1.Ke2 e3 2.Bd7+ Kb4 3.a4 Ka5 4.Bb5 Kb4 5.Kf1 Ka5 6.Bd7 Kb4 7.Be8 Ka5 8.Ke2 Ka6
9.Bb5+ Ka5 10.Kf1 Kb4 11.Kg2 Kc5 12.Be2 Kb4
  ±  (1.40)   Depth: 21/44   00:00:23  1776kN, tb=122617
1.Be2+ Ka4
  ±  (1.40)   Depth: 21/44   00:00:24  1815kN, tb=126806
1.Be2+ Ka4 2.Kc2 Ka3 3.Kb1 e3 4.Bf1 Kb4 5.Kb2 Ka4 6.a3 Ka5 7.Kb3 Kb6 8.Kb4 Kc6
9.a4 Kb6 10.a5+ Kc7 11.Bc4 Kd6 12.Kc3
  +-  (1.53)   Depth: 21/44   00:00:26  2183kN, tb=136861
1.Be2+ Ka4 2.Kc2 Ka3 3.Kb1 e3 4.Bd3 Kb4 5.Kb2 Ka4 6.a3 Ka5 7.Kb3 Kb6 8.Kb4 Kc6
9.a4 Kd5 10.a5 Kd4 11.Bc4 Ke4 12.a6
  +-  (1.72)   Depth: 22/47   00:00:35  3278kN, tb=169073
1.Be2+ Ka4
  +-  (2.20)   Depth: 23/48   00:00:47  5279kN, tb=221139
1.Be2+ Ka4 2.Kc2 Ka3 3.Kb1 e3 4.Bf1 Kb4 5.Kb2 Ka4 6.a3 Ka5 7.Kb3 Kb6 8.Kb4 Kc6
9.a4 Kd5 10.a5 Kd6 11.Kc4 Ke5 12.Kd3 Kf4
  +-  (2.56)   Depth: 23/48   00:00:51  6935kN, tb=242937
1.Be2+ Ka4
  +-  (3.39)   Depth: 24/48   00:01:10  11986kN, tb=361243

(Nolan, 25.02.2005)

regards
Rory



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