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Subject: Re: Interesting position

Author: Roy Brunjes

Date: 15:47:57 09/27/01

Go up one level in this thread


On September 27, 2001 at 17:07:23, Andy Serpa wrote:

>I am intrigued by this position from an old book:
>
>[D]rnb2r1k/pp1p2pp/2p1P3/2q1p3/2B3Q1/2N4P/PPP3P1/R1B4K w - - 0 1
>
>
>In the book, White saves himself with the following manoeuvre:
>
>1. b4 Qxb4 2. Rb1 Qxc3 3. Bh6 gxh6 4. e7 Re8 5. Rf1
>and white mates in a few moves.
>
>
>I'm curious what a fast computer comes up with in this position...

Junior 7 sees a mate in 12 in 31 seconds on my Athlon 700MHz (256 MB hash).

Brunjes,R - Junior 7
rnb2r1k/pp1p2pp/2p1P3/4p3/2B3Q1/2q4P/P1P3P1/1RB4K w - - 0 1

Analysis by Junior 7:

1.exd7 Qe1+ 2.Kh2 Nxd7
  -+  (-4.79)   Depth: 3   00:00:00
1.e7 Re8 2.Bg5 Qxc2
  -+  (-2.86)   Depth: 3   00:00:00  2kN
1.e7 Re8 2.Bb2 Qa5 3.Rf1 Qb4 4.Bxe5 Rxe7
  -+  (-2.90)   Depth: 6   00:00:00  14kN
1.e7!
  -+  (-2.60)   Depth: 9   00:00:00  166kN
1.e7 Re8 2.Bg5 Qa3 3.Qh4 d5 4.Bd3 e4
  -+  (-2.32)   Depth: 9   00:00:01  466kN
1.e7!
  -+  (-2.02)   Depth: 12   00:00:09  3906kN
1.e7! Re8 2.Bh6 gxh6 3.Rf1 Qa3 4.Rf7 Qc1+ 5.Kh2 Qg5 6.Qe4 Qf4+ 7.Rxf4 d5 8.Rf8+
Kg7 9.Qxe5+ Kg6 10.Bd3+
  +-  (#12)   Depth: 12   00:00:31  14502kN
1.e7 Re8 2.Bh6 gxh6 3.Rf1 Qa3 4.Rf7 Qc1+ 5.Kh2 Qg5 6.Qe4 Qf4+ 7.Rxf4 d5 8.Rf8+
Kg7 9.Qxe5+ Kg6 10.Bd3+
  +-  (#12)   Depth: 12   00:00:32  14861kN



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