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Subject: Re: Ruffian?

Author: Martin Giepmans

Date: 14:01:27 11/27/02

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On November 27, 2002 at 16:23:54, Ingo Bauer wrote:

>Hi
>
>This is what Ruffian thinks about the position with a little bit more time.
>
>[D] r3qrk1/pp1b3p/1nn1pbp1/3p2N1/3P4/2N5/PPB2PPP/R1BQR1K1 w - - 0 17
>
>Engine: Ruffian 1.0.1
>by Perola Valfridsson
>  8.00	 0:00 	+0.42 	1.Nf3 Qe7 2.Bh6 Bg7 3.Bxg7 Qxg7 4.Rc1 Rac8 5.Qd2 (964.248)
>1048.0
>  9.01	 0:02 	+0.33 	1.Nf3 Qe7 2.Bh6 Bg7 3.Bxg7 Qxg7 4.Nb5 Nc4 5.b3 Nb6
>(2.493.953) 1047.8
> 10.01	 0:06 	+0.35 	1.Nf3 Qe7 2.Bh6 Bg7 3.Bxg7 Qxg7 4.Nb5 Nb4 5.Nd6 Nc4 6.Nxc4
>dxc4 (6.620.383) 1088.8
> 11.01	 0:13 	+0.29 	1.Nf3 Qe7 2.Bh6 Bg7 3.Bxg7 Qxg7 4.Nb5 Qe7 5.Rc1 Rac8 6.Bd3
>Kh8 (15.097.153) 1096.3
> 12.01	 0:29 	+0.27 	1.Nf3 Qe7 2.Bh6 Bg7 3.Bxg7 Qxg7 4.Nb5 Qe7 5.a4 Rac8 6.Rc1
>Kh8 7.Bd3 (32.799.828) 1106.9
> 12.02	 0:32 	+0.64++	1.Nxh7 (36.527.377) 1112.2
> 12.01	 0:36 	+0.80 	1.Nxh7 Kxh7 2.Qh5+ Kg8 3.Bxg6 Qe7 4.Bh6 Rfb8 5.Nb5 Bxd4
>6.Nc7 Bxb2 7.Rab1 Nc4 8.Nxa8 Rxa8 (40.669.124) 1129.0
> 13.01	 0:48 	+0.45--	1.Nxh7 (57.105.041) 1170.4
> 13.01	 0:57 	+0.42 	1.Nxh7 Kxh7 2.Qh5+ Kg8 3.Bxg6 Qe7 4.Bh6 Bxd4 5.Bxf8 Rxf8
>6.Re2 Qg7 7.Rc1 Ne5 8.Bc2 (69.745.373) 1207.0
> 14.01	 1:54 	+0.26 	1.Nxh7 Kxh7 2.Qh5+ Kg8 3.Bxg6 Qe7 4.Bh6 Bxd4 5.Bxf8 Rxf8
>6.Re2 Qg7 7.Rc1 Ne7 8.Bd3 e5 (137.285.260) 1198.0
> 15.01	 8:32 	 0.00 	1.Nxh7 Kxh7 2.Qh5+ Kg8 3.Bxg6 Qe7 4.Re3 Bxd4 5.Rh3 Bxf2+
>6.Kh1 Qg7 7.Bh7+ Kh8 8.Bg6+ Kg8 (569.729.155) 1112.2
> 15.02	15:07 	+0.14 	1.Nf3 Bg7 2.Bb3 Qf7 3.Be3 Kh8 4.Qd3 Rac8 5.Nb5 Nb4 6.Qe2
>Bxb5 7.Qxb5 Nc2 8.Ng5 Qe7 (951.984.790) 1048.9
> 16.01	36:45 	+0.19 	1.Nf3 Bg7 2.Bb3 Qf7 3.Kh1 Kh8 4.a4 h6 5.a5 Nc4 6.Bxc4 dxc4
>7.Ra4 Rac8 8.a6 bxa6 9.Rxc4 (-2042744114) 1021.1
>best move: Ng5-f3 time: 37:48.372 min  n/s: 1.024.906  CPU 97.0%
>
>The Question is now if Hiarcs was wrong somewhere?
>
>Bye Ingo

I think Nxf7 is winning, although Ruffian didn't really see the win:

1.Nxh7 Kxh7 2.Qh5+ Kg8 3.Bxg6 Qe7 4.Re3 Bxd4 5.Rh3 Bxf2+ 6.Kh1 Qg7 (pv at
depth 15.01)
and now (instead of Bh7+ with a draw) Bh6! Qe5 Qg4! wins.

Martin

• Re: Ruffian? Ingo Bauer 02:01:29 11/28/02
  • Re: Ruffian? Uri Blass 02:22:59 11/28/02
    • Re: Ruffian? Daniel Clausen 02:53:49 11/28/02

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