Author: Kurt Utzinger
Date: 23:53:38 03/26/04
Go up one level in this thread
On March 26, 2004 at 17:59:54, Mridul Muralidharan wrote:
>Hi all,
>
> The following came up in a 40/10/0 match between my program against crafty
>19.3.
>
>crafty says black is about 2.3 up , while mine is giving almost even score
>(-0.32 actually).
>What is the actual status of this position ?
>Completely won for white ? draw ? loss ?
>The game is still going on , but the evals have been stabilised around this for
>sometime now ...
>
>Regards
>Mridul
>
>[D]2bb4/2p5/1pPp4/pP1PkP2/P5K1/6P1/2B5/8 b - - 0 62
In my opinion it's a rather easy win for Black as White
will sooner or later get in Zugwang. Below some analysis.
Anyway a most interesting end game.
Kurt
[Event "120'/40+60'/20+60'/20"]
[Site "MyTown"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "2bb4/2p5/1pPp4/pP1PkP2/P5K1/6P1/2B5/8 b - - 0 62"]
[PlyCount "23"]
[TimeControl "40/7200:20/3600:20/3600"]
62... Kxd5 63. Kf4 (63. Kh5 Ke5 64. Kg6 d5 65. Bb1 d4 66. Bd3 Be7 67. Bc2 Bb4
68. g4 Kf4 69. g5 Ke3 70. f6 d3 71. Bd1 (71. Bxd3 Kxd3 72. Kf7 Bf5 73. g6 Bxg6+
74. Kxg6 Kc4 75. Kf7 Kb3 76. Ke8 Kxa4 77. Kd7 Bd6 78. f7 Kxb5 79. f8=Q Bxf8 80.
Kxc7 Bg7 81. Kd6 Be5+ {0-1}) 71... Kd2 72. Bf3 Be6 73. Kg7 Bb3 74. g6 Bxa4 75.
Kf7 Bxb5 76. Ke8 Bc4 77. f7 Bxf7+ 78. Kxf7 Bc3 79. Ke8 Ke3 80. Bd1 b5 81. Kd7
Be5 82. Ke6 (82. g7 Bxg7 83. Kxc7 Be5+ 84. Kb6 (84. Kd7 a4 {0-1}) 84... a4 85.
Kxb5 a3 86. Bb3 d2 {0-1}) 82... Kf4 {0-1}) 63... Kd4 64. g4 Be7 (64... Bf6 65.
Bb3 (65. g5 Be5+ 66. Kg4 d5 67. g6 (67. Kh5 Kc3 68. Bb1 Kb3 69. f6 Kxa4 70. Bd3
Kb4 71. f7 Bd6 72. Kh6 a4 73. g6 Be6 74. Bb1 Bxf7 75. gxf7 a3 76. Kg7 Kxb5 77.
Kf6 Kxc6 {0-1}) 67... Bf6 68. Kf4 Kc3 69. Bd1 d4 70. Ke4 (70. g7 Bxg7 71. Kg5
Be5 72. f6 Be6 73. Kg6 Bb3 74. f7 Bd6 {0-1}) 70... d3 71. Bg4 d2 72. Bd1 Kb2
73. Bg4 Kc1 74. Kf4 d1=Q 75. Bxd1 Kxd1 {0-1}) 65... d5 66. Bc2 Be5+ 67. Kg5 Ke3
68. Kg6 d4 69. Bd1 Kf4 70. f6 Bxg4 71. f7 Bd6 72. Bc2 Be2 73. Kg7 d3 74. Bb3 d2
75. f8=Q+ Bxf8+ 76. Kxf8 d1=Q 77. Bxd1 Bxd1 78. Ke8 Bxa4 79. Kd7 Bxb5 80. Kxc7
Bxc6 {0-1}) 65. g5 d5 66. Kg4 Kc3 67. Bd1 d4 68. Kf4 d3 69. f6 Bd6+ 70. Ke4 Be6
71. g6 d2 72. Ke3 Be5 73. f7 Bg7 {0-1} *
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