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Subject: Re: Mate in 9....?

Author: K. Burcham

Date: 15:26:51 04/03/02

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I do not trust Fritz7 in mate in x. I did not play out these lines
so i do not know if Fritz7 line is correct. i suspect that all programs
can solve this while eating a sandwich blindfolded.

 [D] 8/8/1B3p2/1B2k2N/7N/4K3/8/8 w - -

Deep Shredder Paderborn 2x1533 mhz

 10.01	 0:01 	  +M10++	1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Nd5+ Kc8 5.Nd6+ Kb8
6.Nb4 Kc7 7.Nf5 Kb7 8.Na6 Kc8 9.Nd6+ Kd8 10.Bf6+ (731.714) 720.1
 10.01	 0:01 	  +M10	1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Nd5+ Kc8 5.Nd6+ Kb8 6.Nb4
Kc7 7.Nf5 Kb7 8.Na6 Kc8 9.Nd6+ Kd8 10.Bf6+ (1.005.278) 794.0
 11.01	 0:02 	  +M10	1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Nd5+ Kc8 5.Nd6+ Kb8 6.Nb4
Kc7 7.Nf5 Kb7 8.Na6 Kc8 9.Nd6+ Kd8 10.Bf6+ (1.780.103) 862.8
 12.01	 0:03 	  +M10	1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Nd5+ Kc8 5.Nd6+ Kb8 6.Nb4
Kc7 7.Nf5 Kb7 8.Na6 Kc8 9.Nd6+ Kd8 10.Bf6+ (3.710.606) 989.4
 13.01	 0:06 	  +M10	1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Nd5+ Kc8 5.Nd6+ Kb8 6.Nb4
Kc7 7.Nf5 Kb7 8.Na6 Kc8 9.Nd6+ Kd8 10.Bf6+ (7.437.740) 1081.8
 14.01	 0:16 	  +M10	1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Nd5+ Kc8 5.Nd6+ Kb8 6.Nb4
Kc7 7.Nf5 Kb7 8.Na6 Kc8 9.Nd6+ Kd8 10.Bf6+ (19.494.676) 1175.9
 15.01	 0:31 	  +M10	1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Nd5+ Kc8 5.Nd6+ Kb8 6.Nb4
Kc7 7.Nf5 Kb7 8.Na6 Kc8 9.Nd6+ Kd8 10.Bf6+ (38.724.645) 1215.4
best move: Nh5-f4 time: 1:02.219 min  n/s: 1.222.601  CPU 196.6%  nodes:
76.069.059 TB: 53.371



Deep Junior 7:

1.Bd4+ Kd6 2.Nxf6 Kc7 3.Nf5
  +-  (10.41)   Depth: 6   00:00:00  3kN
1.Bd4+ Kd6 2.Nf4 Kc7 3.Nf5 Kd8
  +-  (10.47)   Depth: 9   00:00:00  62kN
1.Nf4!
  +-  (10.71)   Depth: 9   00:00:00  98kN
1.Nf4!
  +-  (11.01)   Depth: 12   00:00:00  428kN, tb=7
1.Nf4!
  +-  (11.31)   Depth: 15   00:00:02  4931kN, tb=390
1.Bd4+!
  +-  (11.51)   Depth: 15   00:00:15  25101kN, tb=8052
1.Bd4+!
  +-  (11.81)   Depth: 17   00:00:22  49649kN, tb=12166
1.Bd4+! Ke6 2.Nxf6 Kd6 3.Nf5+ Kc7 4.Ne8+ Kb8 5.Nfd6 Ka8 6.Nc7+ Kb8 7.Na6+ Ka8
8.Bc6#
  +-  (#8)   Depth: 17   00:00:29  65385kN, tb=15272


Fritz 7:

1.Nf4 f5 2.Bd4+ Kd6 3.Nxf5+ Kc7 4.Ne6+ Kc8 5.Nd6+ Kb8 6.Be5 Ka7 7.Bc6
  +-  (14.91)   Depth: 8/21   00:00:00  362kN
1.Nf4!
  +-  (#9)   Depth: 9/19   00:00:00  647kN, tb=2
1.Nf4!
  +-  (#9)   Depth: 9/22   00:00:01  1333kN, tb=11

kburcham




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