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Subject: Re: Mate in about 20 Moves.....?

Author: Marc D

Date: 04:52:00 04/03/05

Go up one level in this thread

On April 02, 2005 at 19:49:15, Rob Basham wrote:

>[D]rr2q1k1/2pb2p1/3p1pP1/ppnPp3/2P1P1P1/7R/PP4BP/4QRK1 w - - 0 1
>
>Mate in about 20....?
>
>1 Rh8+....!
>
>Some programs find this, even though it does not seem to be a forced mate...
>
>rob

Shredder 9 UCI as always first wants to go another way but after 14 sec it
decides differently


Analysis by Shredder 9 UCI MD:

1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00  1kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00  1kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00  1kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 9/22   00:00:00  1kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 10/22   00:00:00  1kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 11/22   00:00:00  2kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 12/22   00:00:01  2kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-e7 7.g4-g5 f6xg5 8.Dh6xg5+ Ke7-f7 9.Dg5-h5+ Kf7-g7
10.Dh5-g5+ Kg7-h7 11.Dg5-h5+ Kh7-g8
  =  (0.06)   Tiefe: 13/22   00:00:02  4kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-f7 7.Dh6-h7+ Kf7-f8 8.Dh7-h6+ Kf8-f7 9.Dh6-h7+
  =  (0.06)   Tiefe: 14/37   00:00:03  979kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-f7 7.Dh6-h7+ Kf7-f8 8.Dh7-h6+ Kf8-f7 9.Dh6-h7+
  =  (0.06)   Tiefe: 15/37   00:00:05  2479kN
1.Tf1xf6 g7xf6 2.De1-h4 De8xg6 3.Dh4-h8+ Kg8-f7 4.Th3-h7+ Dg6xh7 5.Dh8xh7+
Kf7-f8 6.Dh7-h6+ Kf8-f7 7.Dh6-h7+ Kf7-f8 8.Dh7-h6+ Kf8-f7 9.Dh6-h7+
  =  (0.06)   Tiefe: 16/40   00:00:09  4713kN
1.Th3-h8+
  =  (0.07)   Tiefe: 16/44   00:00:14  7401kN
1.Th3-h8+
  ²  (0.42)   Tiefe: 16/44   00:00:14  7558kN
1.Th3-h8+ Kg8xh8 2.De1-h4+ Kh8-g8 3.Dh4-h7+ Kg8-f8 4.g4-g5 f6-f5 5.e4xf5 Kf8-e7
6.f5-f6+ Ke7-d8 7.f6xg7 Kd8-c8 8.g7-g8D Kc8-b7 9.Dg8xe8 Tb8xe8 10.g6-g7 Te8-g8
11.h2-h4 Ta8-e8 12.Kg1-f2
  +-  (6.40)   Tiefe: 16/45   00:00:29  14752kN
1.Th3-h8+ Kg8xh8
  +-  (6.15)   Tiefe: 17/45   00:00:32  16352kN
1.Th3-h8+ Kg8xh8 2.De1-h4+ Kh8-g8 3.Dh4-h7+ Kg8-f8 4.g4-g5 f6-f5 5.e4xf5 Sc5-e4
  +-  (6.08)   Tiefe: 17/45   00:00:37  18840kN

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