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Subject: Re: Interesting difference between Fritz 7.0.0.2 and 7.0.0.6

Author: Roy Eassa

Date: 13:16:43 01/31/02

Go up one level in this thread


>>>>[D]5bk1/p3p1p1/p3P1P1/p7/p7/8/P7/5K2 w - - (mate in 17)
>>>>
>>>>Fritz 7.0.0.2 no solution ever 7.0.0.6 instantly Ke2


Here's what my Fritz 7.0.0.6 (Jan 7 version; 1.2 GHz Athlon) says:

1.Ke2
  =  (0.16)   Depth: 40/40   00:00:00  401kN
1.Ke2!
  ²  (0.44)   Depth: 41/41   00:00:00  416kN
1.Ke2!
  ±  (0.72)   Depth: 42/42   00:00:00  458kN
1.Ke2!
  ±  (1.00)   Depth: 42/42   00:00:00  491kN
1.Ke2--
  ±  (0.72)   Depth: 43/43   00:00:00  578kN
1.Ke2
  ±  (0.72)   Depth: 43/43   00:00:03  3436kN
1.Ke2!
  ±  (1.00)   Depth: 44/44   00:00:03  3602kN
1.Ke2--
  ±  (0.72)   Depth: 45/45   00:00:03  3710kN
1.Ke2
  ±  (0.72)   Depth: 45/45   00:00:07  8306kN
1.Ke2!
  ±  (1.00)   Depth: 46/46   00:00:08  8439kN
1.Ke2--
  ±  (0.72)   Depth: 47/47   00:00:08  8645kN
1.Ke2
  ±  (0.72)   Depth: 47/47   00:00:12  12747kN
1.Ke2
  ±  (0.72)   Depth: 47/47   00:00:12  12770kN


No new output occurs for at least 2.5 more minutes after this.

It does NOT see a mate for White.

A few plies later, for Black, it's even stupider:

[d] 5b1k/p3p1p1/p3P1P1/p7/p7/3K4/P7/8 b - - 0 1

2...a3
  =  (0.00)   Depth: 22/22   00:00:00  337kN
2...a3!
  =  (-0.22)   Depth: 23/23   00:00:00  382kN
2...a3--
  =  (0.00)   Depth: 24/24   00:00:00  382kN
2...a3
  =  (0.00)   Depth: 24/24   00:00:02  3110kN
2...a3!
  =  (-0.22)   Depth: 25/25   00:00:02  3139kN
2...a3!
  ³  (-0.50)   Depth: 25/25   00:00:02  3178kN
2...a3--
  =  (-0.22)   Depth: 26/26   00:00:02  3180kN
2...a3
  =  (-0.22)   Depth: 26/26   00:00:07  9540kN
2...a3--
  =  (0.00)   Depth: 27/27   00:00:07  9578kN
2...a3
  =  (0.00)   Depth: 27/27   00:00:14  18097kN
2...a3--
  ²  (0.34)   Depth: 28/28   00:00:14  18151kN
2...a3
  ²  (0.34)   Depth: 28/28   00:00:15  18490kN
2...Kg8!
  ²  (0.31)   Depth: 28/28   00:00:15  18501kN
2...Kg8!
  =  (0.15)   Depth: 28/28   00:00:15  18529kN
2...Kg8 3.Ke2
  =  (0.00)   Depth: 28/28   00:00:15  18557kN
2...Kg8 3.Ke2
  =  (0.00)   Depth: 29/29   00:00:15  18578kN
2...Kg8 3.Ke2
  =  (0.00)   Depth: 30/30   00:00:15  18595kN
2...Kg8 3.Ke2
  =  (0.00)   Depth: 31/31   00:00:15  18605kN
2...Kg8--
  ²  (0.34)   Depth: 32/32   00:00:15  18614kN



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