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Subject: Re: Mistake??

Author: Uri Blass

Date: 08:50:50 02/22/02

Go up one level in this thread


On February 22, 2002 at 11:42:23, Lanny DiBartolomeo wrote:

>wasn't after ..49 ke8 50 d7! a win for white??


Yace does not know what to choose but it seems to converge to Kd5 and not to d7

New game - Junior 7
3rk3/5p1p/3P1P2/p1N1K3/P5P1/8/8/8 w - - 0 1

Analysis by Yace 0.99.56:

50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 1   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 2   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 3   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 4   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 5   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 6   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 7   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 8   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 9   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 10   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 11   00:00:00
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 12   00:00:00  1kN
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 h5 56.gxh5 Kg5
57.Kb5 f5 58.a5 f4 59.a6 f3 60.Kc4
  +-  (2.00)   Depth: 13   00:00:00  4kN
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Kxf6 55.Kxa5 Ke6 56.Kb6 Kd7
57.a5 Kc8 58.a6 Kb8 59.a7+ Ka8 60.Ka6 f6
  +-  (1.97)   Depth: 14   00:00:00  305kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 h5 53.g5 Rb1 54.g6 h4
  +-  (1.98)   Depth: 14   00:00:01  602kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 h5 53.g5 Rb1
  +-  (2.40)   Depth: 14   00:00:01  602kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc6 57.Kb4 Kd6 58.Kb5 Kc7 59.a5 Kb7 60.a6+ Kb8 61.Kc6 Ka8 62.Kb6 h6 63.Kc5 Kb8
64.Kc6
  +-  (3.32)   Depth: 14   00:00:02  602kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc6 57.Kb4 Kd6 58.Kb5 Kc7 59.a5 Kb7
  +-  (3.35)   Depth: 15   00:00:03  1227kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc6 57.Kb4 Kd6 58.Kb5 Kc7 59.a5 Kb7 60.a6+ Kb8 61.Kb6 h6 62.Kc6 Ka8 63.Kd5 Ka7
  +-  (3.39)   Depth: 16   00:00:06  2665kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 h5 53.g5 Rb1
  +-  (3.79)   Depth: 17   00:00:10  4254kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6
  +-  (3.80)   Depth: 17   00:00:21  7272kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc5 57.g5 Kc6 58.Kb4 Kb6 59.a5+ Ka7 60.Kc5 Ka6 61.Kd6 Kxa5 62.Ke7
  +-  (3.39)   Depth: 18   00:00:36  13315kN
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 Kc7 53.g5 Kd7 54.Kc5 Ke6 55.Kb6 Kd6 56.Kxa5 Kc7
57.Kb5 Kb8 58.Kc6 Ka8 59.a5 Kb8 60.Kd7 Kb7 61.a6+ Kb6 62.Kd6
  +-  (3.40)   Depth: 18   00:00:39  14083kN
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 Kc7 53.Kc5 Kd7 54.Kb6 Kd6 55.Kxa5 Kc6 56.Kb4 Kb6
57.a5+ Kc6 58.g5 Kd7 59.Kc5 Kc7
  +-  (3.43)   Depth: 18   00:00:41  14262kN
50.d7+ Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Kc7 54.Kb5 Kb7 55.Kxa5 Kc6 56.Kb4 Kb6
57.a5+ Kb7 58.Kc5 Ka6 59.Kd6 Kb7 60.Ke7 Kc7 61.Kxf7 h5 62.gxh5 Kd8 63.a6
  +-  (3.82)   Depth: 19   00:00:56  17492kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc6 57.Kb4 Kd7 58.Kb5 Ke8 59.Kc6 Kd8 60.Kb7 Ke8 61.a5 h5
  +-  (3.83)   Depth: 19   00:01:05  21614kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Ke6 57.Kb6 Kxf6 58.a5 Ke5 59.a6 h5 60.gxh5 f5 61.h6 f4 62.a7 f3 63.a8Q f2 64.h7
f1Q
  +-  (4.83)   Depth: 19   00:01:12  24721kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc5 57.g5 Kc6 58.Ka6 Kc5 59.Kb7 Kb4 60.Kc6 Kxa4 61.Kd7 Kb4 62.Kd6 Kc3
  +-  (4.94)   Depth: 19   00:01:37  36866kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc5 57.g5 Kc6 58.Ka6 Kc5 59.Kb7 Kb4 60.Kc6 Kxa4 61.Kd7 Kb4 62.Ke7 Kc5 63.Kxf7
Kd5 64.g6 h5
  +-  (5.34)   Depth: 20   00:02:13  51686kN
50.Kd5 Rb8 51.d7+ Kd8 52.Kc6 Rb1 53.Nb7+ Rxb7 54.Kxb7 Kxd7 55.Kb6 Kd6 56.Kxa5
Kc5 57.g5 Kc6 58.Ka6 Kc5 59.a5 Kd4 60.Kb5 Ke5 61.a6 Kd4 62.a7 h6 63.a8Q h5
  +-  (6.34)   Depth: 20   00:02:23  55656kN

(Blass, Tel-aviv 22.02.2002)

when I give yace d7+ it says the following

New game - Junior 7
3rk3/3P1p1p/5P2/p1N1K3/P5P1/8/8/8 b - - 0 1

Analysis by Yace 0.99.56:

50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 3   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 3   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 3   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 3   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 3   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 3   00:00:00
50...Kf8 51.Kf5 Ra8 52.d8Q+ Rxd8 53.g5
  +-  (3.68)   Depth: 3   00:00:00
50...Kf8 51.Nb3
  +-  (1.70)   Depth: 3   00:00:00
50...Kf8 51.Kd6 Ra8
  ±  (1.09)   Depth: 3   00:00:00
50...Kf8 51.Kd6 Ra8 52.Nb7 h5 53.gxh5 Kg8 54.Kd5 Kh7 55.d8Q Ra6
  +-  (8.50)   Depth: 4   00:00:00
50...Kf8 51.Kd6 Ra8 52.Kc7 Kg8 53.d8Q+ Rxd8 54.Kxd8 Kh8
  +-  (8.50)   Depth: 4   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 4   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 5   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 6   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 7   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 8   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 9   00:00:00
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 10   00:00:00  1kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 11   00:00:00  2kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 12   00:00:00  3kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 13   00:00:00  5kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 14   00:00:00  8kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 19   00:00:00  92kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 19   00:00:00  92kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 19   00:00:00  92kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 19   00:00:00  92kN
50...Rxd7 51.Nxd7 Kxd7 52.Kd5 h6 53.Kc5 Ke6 54.Kb6 Ke5 55.Kxa5 Ke4 56.Kb4 Kf3
57.a5 Kxg4 58.a6 Kf5 59.Kb5 h5 60.a7 h4 61.a8Q Kg5 62.Qg8+
  +-  (3.82)   Depth: 19   00:00:00  92kN
50...Rxd7 51.Nxd7 h6
  +-  (4.24)   Depth: 20   00:00:03  1500kN
50...Rxd7 51.Nxd7 Kd8
  +-  (5.28)   Depth: 20   00:00:04  1500kN

(Blass, Tel-aviv 22.02.2002)



Uri



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