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Subject: Re: Good Attacking Move Made By Fritz7...!

Author: Enrique Irazoqui

Date: 08:54:41 03/22/02

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On March 22, 2002 at 10:24:09, Art Basham wrote:

>rn2kb1r/1p2p1pp/8/2PP4/2P1Q3/5N1q/pB3P1P/R3K1R1 w - -
>
>Here, (on the internet) white (Fritz7) played Ng5 and went on to win...!
>
>When I checked later, my Fritz7 program  only plays Rg3 here...;

rn2kb1r/1p2p1pp/8/2PP4/2P1Q3/5N1q/pB3P1P/R3K1R1 w Qkq - 0 1

Analysis by Fritz 7:

1.Bxg7 Rg8 2.Rg3 Bxg7 3.Rxh3 Bc3+ 4.Kf1 Bxa1 5.Rxh7
  +-  (1.91)   Depth: 8/31   00:00:00  637kN
1.Bxg7--
  +-  (1.63)   Depth: 9/28   00:00:01  766kN
1.Bxg7 Rg8 2.Be5 Rxg1+ 3.Nxg1 Qb3 4.Qxh7 Qb4+ 5.Kf1 Qxc4+ 6.Ne2
  +-  (1.50)   Depth: 9/32   00:00:01  938kN
1.d6!
  +-  (1.54)   Depth: 9/32   00:00:01  1280kN
1.d6!
  +-  (1.69)   Depth: 9/32   00:00:01  1400kN
1.d6 Nc6 2.Rg4 h5 3.Rg3 Qd7 4.Qg6+ Kd8 5.Ng5 Kc8
  +-  (1.72)   Depth: 9/32   00:00:02  1544kN
1.Bd4!
  +-  (1.75)   Depth: 9/32   00:00:02  2190kN
1.Bd4!
  +-  (1.91)   Depth: 9/32   00:00:03  2441kN
1.Qf4!
  +-  (1.94)   Depth: 9/32   00:00:03  2670kN
1.Qf4 Qc8 2.Ng5 Qxc5 3.Be5 Na6 4.Qf7+ Kd7 5.Qe6+ Ke8
  +-  (2.00)   Depth: 9/32   00:00:03  2744kN
1.Qf4 Qc8 2.Ng5 Qxc5 3.Bc3 Na6 4.Qf7+ Kd7 5.Qf5+ Ke8 6.Ne6 Qxc4 7.Bxg7
  +-  (2.16)   Depth: 10/32   00:00:06  4517kN
1.Qf4 Nd7 2.Ng5 Qh5 3.c6 bxc6 4.Ne6 Rb8 5.Rg5
  +-  (2.04)   Depth: 11/35   00:00:12  9343kN
1.Bd4!
  +-  (2.07)   Depth: 11/35   00:00:15  11731kN
1.Bd4!
  +-  (2.22)   Depth: 11/35   00:00:19  14839kN
1.Ng5!
  +-  (2.25)   Depth: 11/37   00:00:24  18945kN
1.Ng5!
  +-  (2.41)   Depth: 11/37   00:00:25  19790kN
1.Ng5 Qb3 2.Qf5 Qb4+ 3.Kf1 Qxc5 4.Kg2 Ra5 5.Qf7+ Kd7 6.Ne6 Qc8 7.Qf5 Ke8
  +-  (2.54)   Depth: 11/37   00:00:27  21432kN
1.Ng5!
  +-  (2.82)   Depth: 12/38   00:00:47  37426kN
1.Ng5!
  +-  (3.10)   Depth: 13/41   00:01:30  71714kN

(Irazoqui, CadaquƩs 22.03.2002)

>are there different versions of Fritz7..?

Yes: the original 7.0.0.0, the updated 7.0.0.2 of November 2001 and the 7.0.0.6
of the newest update of January 2002, which you can download in
http://www.chessbase.com/download/index.asp?cat=Fritz+7

You can check your version of Fritz 7 in \Program files\Chessbase\Engines\Fritz
7.eng, properties.

Enrique

>Just wondering, thanks.



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