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Subject: Fritz 8 is good , but it's analysis misses announcing this mate-in-2

Author: Mike Byrne

Date: 18:47:39 12/20/03

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On December 20, 2003 at 20:10:25, Wayne Lowrance wrote:

>On December 20, 2003 at 18:45:40, Claude Le Page wrote:
>
>Hello I have the engines you list. Too me Fritz8 is easily best. Thank you
>Wayne
>

Fritz 8 is one heck of an engine - but it does have a problem announcing this
mate in 2!

F7 also misses it, F5, F6 and even F6 light sees the mate.

[d]8/8/6p1/p1p1p1Pb/p1p1P1k1/P1p1PNnr/2P1P1Rp/4K2B w - - 0 1

Analysis by Fritz 8:

17.Kf2
  =  (0.06)   Depth: 7/14   00:00:00  3kN
17.Kf2
  =  (0.06)   Depth: 7/14   00:00:00  3kN
17.Kf2!
  ²  (0.34)   Depth: 8/12   00:00:00  5kN
17.Kf2
  =  (0.06)   Depth: 9/14   00:00:00  10kN
17.Kf2
  =  (0.06)   Depth: 9/14   00:00:00  10kN
17.Kf2!
  ²  (0.34)   Depth: 10/14   00:00:00  16kN
17.Kf2--
  =  (0.06)   Depth: 11/17   00:00:00  31kN
17.Kf2
  =  (0.06)   Depth: 11/17   00:00:00  31kN
17.Kf2!
  ²  (0.38)   Depth: 12/15   00:00:00  57kN
17.Kf2--
  =  (0.09)   Depth: 13/18   00:00:00  105kN
17.Kf2
  =  (0.09)   Depth: 13/19   00:00:00  106kN
17.Kf2!
  ²  (0.38)   Depth: 14/19   00:00:00  207kN
17.Kf2--
  =  (0.09)   Depth: 15/26   00:00:00  380kN
17.Kf2
  =  (0.09)   Depth: 15/26   00:00:00  386kN
17.Kf2!
  ²  (0.38)   Depth: 16/25   00:00:01  739kN
17.Kf2--
  =  (0.09)   Depth: 17/28   00:00:02  1355kN
17.Kf2
  =  (0.09)   Depth: 17/28   00:00:02  1382kN
17.Kf2!
  ²  (0.38)   Depth: 18/25   00:00:04  2821kN
17.Kf2--
  =  (0.09)   Depth: 19/28   00:00:07  4932kN
17.Kf2
  =  (0.09)   Depth: 19/28   00:00:07  5028kN
17.Kf2!
  ²  (0.38)   Depth: 20/27   00:00:14  9874kN
17.Kf2--
  =  (0.09)   Depth: 21/35   00:00:27  18234kN
17.Kf2
  =  (0.09)   Depth: 21/35   00:00:27  18574kN

(Byrne, Secane, PA USA 20.12.2003)





>>Hello to everybody!
>>it is strange that nobody has mentioned junior7 , and yet it's the lone to find
>>some sacrificial lines
>>I recall a line of nimzo-indian:
>>1 d4 Nf6 2 c4 e6 3 Nc3 Bb4 4 Bg5 h6 5 Bh4 c5 6 d5
>>here almost all leading engines play 6...Nxd5 7 Bxd8 Nxc3 8 Qb3 Ne4+
>>9 Kd1 Nxf2 10 Kc2 (or Kc1) 11 Nxh1
>>the exceptions are junior7 , junior8 , and shredder7
>>the line generally adopted is constantly losing , as results of a 9 games
>>between junior7 , junior8 , shredder7 with white , fritz8 , Hiarcs8 and
>>ChessTiger15 with black : result : 9-0 for white
>>which of these engines give the most accurate analysis?
>>Friendly Yours
>>Claude le Page



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