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Subject: Re: The Most Difficult Tactical Combination Ever Shocking Computer Analysis

Author: Slater Wold

Date: 16:01:21 11/30/01

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On November 30, 2001 at 13:34:19, ALI MIRAFZALI wrote:

>The following Position is Taken from a Game Played by IGM Yuri Shulman
>in a recent tournament in the USA:
>[D] r1b2r2/pp1nqn1k/2pp2pb/4Pp1p/2PP1p1N/2N3BP/PPQ1B1P1/3RR1K1 w  - 1 0
>In this position Amazingly 19.Nxg6!!! Wins by Force .However Fritz 6 does not
>find this move however Chessmaster 8000 does! However there is a slight problem
>Here is the line given by Chessmaster 8000 when run after about 3.5 minutes.

Not really a tough problem:

Deep Junior 7 - W,S
r1b2r2/pp1nqn1k/2pp2pb/4Pp1p/2PP1p1N/2N3BP/PPQ1B1P1/3RR1K1 w - - 0 1

Analysis by Deep Junior 7:

1.Bxf4 Bxf4 2.e6 Qxh4
  -+  (-2.05)   Depth: 3   00:00:00
1.exd6 Qxd6 2.Bf2 Re8
  =  (0.00)   Depth: 3   00:00:00  2kN
1.exd6 Qxd6 2.Bf2 Re8
  =  (0.00)   Depth: 3   00:00:00  2kN
1.exd6 Qxd6 2.Bf2 Re8
  =  (0.00)   Depth: 3   00:00:00  2kN
1.exd6 Qxd6 2.c5 Qf6 3.Bf2 Bg7 4.Bc4
  =  (-0.12)   Depth: 6   00:00:00  17kN
1.exd6 Qf6 2.Bf2 Bg5 3.Nf3 Qxd6 4.Nxg5+ Nxg5 5.c5 Qf6 6.Bc4
  =  (0.09)   Depth: 9   00:00:00  218kN
1.exd6 Qxd6 2.c5 Qf6
  =  (0.12)   Depth: 12   00:00:03  6817kN
1.exd6 Qxd6 2.c5 Qf6 3.Bf2 Ng5 4.d5 Re8
  =  (0.18)   Depth: 15   00:00:24  42816kN
1.Nxg6 Kxg6 2.Qxf5+ Kg7 3.Bd3 Rg8 4.e6 Nf8 5.exf7 Qxf7 6.Qxf7+ Kxf7 7.Bh4 Ng6
8.Bxg6+ Rxg6 9.Re7+ Kf8 10.Kf2
  ²  (0.37)   Depth: 15   00:00:53  83427kN
1.Nxg6 Kxg6 2.Qxf5+ Kg7 3.Bd3 Rg8 4.e6 Nf8 5.exf7 Qxf7 6.Qxf7+ Kxf7 7.Bh4 Ng6
8.Bf2 f3 9.Ne4 fxg2 10.Nxd6+
  ²  (0.58)   Depth: 17   00:02:30  294034kN
1.Nxg6 Kxg6 2.Qxf5+ Kg7 3.Bd3 Rg8 4.e6 Nf8 5.exf7 Qxf7 6.Qxf7+ Kxf7 7.Bh4 Ng6
8.Bxg6+ Rxg6 9.Re7+ Kf8 10.Kf2
  ²  (0.51)   Depth: 18   00:06:50  799299kN
1.Nxg6 Kxg6 2.Qxf5+ Kg7 3.Bd3 Rg8 4.e6 Nf8 5.exf7 Qxf7 6.Qxf7+ Kxf7 7.Bh4 Ng6
8.Bxg6+ Rxg6 9.Re7+ Kf8 10.Kf2
  ²  (0.51)   Depth: 18   00:09:26  1090341kN

(W,  30.11.2001)



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