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

Author: Uri Blass

Date: 02:27:43 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 - -
>>
>>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 (255.431) 243.7
>>  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 (288.242) 249.9
>>  7.01	 0:02 	+12.51 	1.Ke2 Qd2+ 2.Nxd2 f6 3.g6 Bb4 4.cxb4 exf4 5.Qh8+ (655.568)
>>269.4
>>  8.01	 0:03 	+12.76++ 	1.Ke2 Qd2+ 2.Nxd2 f6 3.g6 Bb4 4.cxb4 dxe4 5.Qh7+
>>(930.223) 274.1
>>  8.01	 0:03 	+13.26++ 	1.Ke2 Qd2+ 2.Nxd2 f6 3.g6 Bb4 4.cxb4 Nc5 5.Qh7+
>>(1.044.525) 276.4
>>  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 ?
>
>Tony

chest verifies very fast(only 11631 nodes) that there is a mate in 6
1.Ke2 Qc2+ 2.Nd2 Qxd3+ 3.Kd1 Qf3+ 4.Bxf3 f6 5.g6 f5 6.Qh8# is the main line



Uri



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