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Subject: Re: Fritz7 knowledge

Author: Martin Giepmans

Date: 08:05:36 11/20/01

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On November 20, 2001 at 04:57:54, Uri Blass wrote:

>Nxh6 wins 2 pawns
>
>The main line begins with 1.Nxg7 Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Nxh5 5.Qe2
>
>4...Kh8 5.exf6 Bxf6 6.Rf3 is not better for black
>
>
>Here is yace's evaluation after learning these lines
>This time it says 1.94.
>
>New position
>2r1r1k1/pp1nbpN1/4pn1p/q3N2P/P1pP1B2/2P5/1PQ2PP1/R3R1K1 b - - 0 1
>
>Analysis by Yace 0.99.56:
>
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 1   00:00:00
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 2   00:00:00
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 3   00:00:00
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 4   00:00:00
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 5   00:00:00  9kN
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 6   00:00:00  22kN
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 7   00:00:00  79kN
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 8   00:00:00  291kN
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 9   00:00:02  839kN
>1...Kxg7 2.Bxh6+ Kg8 3.Re3 Nxe5 4.dxe5 Bf8 5.Rg3+ Kh8 6.Bxf8 Rxf8 7.exf6 Qe5
>8.Qd2 Qxf6 9.Qd7 e5 10.Rf3 Qe6 11.Qxe6 fxe6
>  +-  (1.94)   Depth: 10   00:00:07  3003kN
>
>(Blass, Tel-aviv 20.11.2001)


Yes, this looks convincing. It's more then just a "positional" plusscore.
I like the learning-feature of Yace.

All the best,

Martin

• Re: Fritz7 knowledge Gordon Rattray 09:33:15 11/20/01
  • Re: Fritz7 knowledge Uri Blass 11:34:40 11/20/01
    • Re: Fritz7 knowledge Gordon Rattray 11:54:34 11/20/01
      • Re: Fritz7 knowledge Uri Blass 18:22:21 11/20/01

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