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Subject: Re: Bug in der Fritz7-Engine? (Matt in 19 auf Stufe Blitz30' - only german)

Author: Ingo Bauer

Date: 01:17:48 11/02/01

Go up one level in this thread


On November 02, 2001 at 03:33:53, Tony Werten wrote:

>On November 02, 2001 at 01:33:58, K. Burcham wrote:

>> [D] rn3rk1/pp1n1pp1/2pb4/3pp1PQ/4PP2/2PP2PR/PP4B1/RNq2K2 w - -
>>  8.01	 0:04 	  +M6 	1.Ke2 Qe3+ 2.Kxe3 Bc5+ 3.Kd2 Be3+ 4.Kd1 Nf6 5.gxf6 exf4
>>6.fxg7 fxg3 7.gxf8Q+ Kxf8 (1.184.495) 286.2
>>best move: Kf1-e2 time: 0:16.974 min  n/s: 465.882  nodes: 7.906.485
>
>Giving the score mate in 6 with a main line of 7, wich isn't a mate ?

Hi

He cuttes the output too early. Nevertheless is there a #6 in a line with 7
moves witch isnt a Mate :-). It seems so be a minor bug. Here is the complete
line:

Engine: Shredder 5
by Stefan Meyer-Kahlen

  7.01	 0:01 	-3.56++ 	1.Ke2 Qxb2+ 2.Kd1 f6 3.g6 Rf7 4.gxf7+ Kf8 5.Qh8+ Ke7
6.Qxg7 Qe2+ 7.Kxe2 (255.979) 159.7
  7.01	 0:01 	-3.06++ 	1.Ke2 Qxb2+ 2.Kd1 f6 3.g6 Rf7 4.gxf7+ Kf8 5.Qh8+ Ke7
6.Qxg7 Qe2+ 7.Kxe2 (288.496) 160.9
  7.01	 0:03 	+12.50 	1.Ke2 Qd2+ 2.Nxd2 f6 3.g6 exf4 4.Qh8+ (566.792) 167.9
  8.01	 0:05 	+12.75++ 	1.Ke2 Qd2+ 2.Nxd2 f6 3.g6 dxe4 4.Nxe4 exf4 5.Qh7+
(848.016) 168.6
  8.01	 0:05 	+13.25++ 	1.Ke2 Qd2+ 2.Nxd2 f6 3.g6 dxe4 4.Nxe4 Ba3 5.Qh8+
(953.440) 168.8
  8.01	 0:06 	  +M6 	1.Ke2 Qe3+ 2.Kxe3 Bc5+ 3.Kd2 Be3+ 4.Kd1 Nf6 5.gxf6 exf4
6.fxg7 fxg3 7.gxf8Q+ Kxf8 (1.088.221) 174.4
  9.01	 0:06 	  +M6 	1.Ke2 Qe3+ 2.Kxe3 Bc5+ 3.Kd2 Be3+ 4.Kd1 f6 5.g6 exf4 6.Qh7+
(1.210.074) 184.2
 10.01	 0:08 	  +M6 	1.Ke2 f6 2.g6 Qc2+ 3.Nd2 Qxd3+ 4.Kxd3 dxe4+ 5.Kc2 exf4
6.Qh7+ (1.858.195) 226.3
 11.01	 0:13 	  +M6 	1.Ke2 f6 2.g6 Qc2+ 3.Nd2 Qxd3+ 4.Kxd3 dxe4+ 5.Kc2 exf4
6.Qh7+ (4.127.792) 297.3
best move: Kf1-e2 time: 0:25.416 min  n/s: 318.709  CPU 97.4%  nodes: 8.097.122

Bye Ingo




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