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Subject: Re: test position(king safety) (with diagram)

Author: Miguel A. Ballicora

Date: 09:53:26 10/25/01

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On October 25, 2001 at 11:41:28, Uri Blass wrote:

>How much time does your program need to avoid Nxg3?
>
>Here is Junior7's analysis on p200 after some learning
>It has no problem to avoid Ng3 after  learning 18...Nxg3 19.hxg3 Bxg3 20.f4 Qh4
>21.Rf3 Qh2+ 22.Kf1.
>
>In the game of the match that a link for it is posted elsewhere
>Shredder5.32 could not avoid 18...Nxg3 and lost against Fritz7
>
>
>New game - Junior 7
[D]1r3rk1/pbbnq1pp/1p6/PPpp1p2/3Pn3/3NNPP1/2Q1P1BP/R1B2RK1 b - - 0 1
>
>Analysis by Junior 7:
>
>18...Nf2 19.Nxf2 f4
>  +-  (2.14)   Depth: 3   00:00:00
>18...Nd6 19.a6 Ba8 20.dxc5
>  ²  (0.64)   Depth: 3   00:00:00
>18...Nxg3 19.hxg3 Bxg3
>  ²  (0.43)   Depth: 3   00:00:00
>18...Ng5 19.a6 Ba8
>  ²  (0.37)   Depth: 3   00:00:00
>18...Ng5 19.axb6 Bxb6 20.dxc5 Nxc5 21.Nxc5 Bxc5
>  ²  (0.35)   Depth: 6   00:00:00  8kN
>18...Ng5 19.axb6 axb6 20.Ra7 c4 21.Nf2 Qe6
>  ±  (0.79)   Depth: 9   00:00:01  121kN
>18...Nd6 19.a6 Ba8 20.Nf4 Qf6 21.Bb2 Nxb5 22.Nfxd5
>  ²  (0.44)   Depth: 9   00:00:02  166kN
>18...Nd6 19.a6 Ba8 20.Nf4 Nxb5 21.Nexd5 Bxd5 22.Nxd5 Qd6 23.Nxc7 Qxd4+ 24.e3
>Qxa1 25.Nxb5
>  ²  (0.45)   Depth: 12   00:00:08  1002kN
>18...Nd6 19.a6 Ba8 20.Nf4 Qf7 21.Rb1 Nc4 22.Nxc4 dxc4 23.Be3
>  ²  (0.42)   Depth: 14   00:01:17  8932kN
>18...Nd6 19.a6
>  ²  (0.42)   Depth: 15   00:03:17  22903kN
>18...Nd6 19.a6 Ba8 20.Nf4 Qf7 21.Rb1 Rbe8 22.Bd2 g5 23.Nd3 cxd4
>  ²  (0.41)   Depth: 16   00:10:18  66772kN
>
>Uri



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