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Subject: Re: a test position for chess programs

Author: Hans Havermann

Date: 19:21:30 06/02/00

Go up one level in this thread


On June 02, 2000 at 11:11:20, I wrote:

>"Screamer" seems to think Nxf7 is a killer:
>
>PLY       NODES     TIME    SCORE  PV
>__________________________________________________
> 6/00    154983     2.628   +0.26  Qxf7+ Kxh6 Qxb7 Nb4 Rcc1 Nxa2 Rc2
> 6/01    194085     3.328   +0.64  Nxf7 Qe7 Nh6 Qd8 Nf5+ Kg8 f3
> 7/00    566760     8.636   +0.62  Nxf7 Qe7 Nh6 Qd8 Nf5+ Kg8 Qg4+ Kh8 a3
> 8/00   2178864    31.914   +0.84  Nxf7 Qe7 Nh6 Qe6 f4 cxd4 Nf5+ Kg8 exd4
> 9/00   6357485   109.209   +0.75  Nxf7 Qc7 Nh6 Rh8 Nf5+ Kf8 Qg4 Rg8 Qh5 Nb4
>10/00  25115768   410.774   +0.85  Nxf7 Qc7 Nh6 Rh8 Nf5+ Kf8 Qg6 Qd8 Nh6 Qe7 Nf5
>11/00  55998378   868.535   +0.94  Nxf7 Qc7 Ng5 Qe7 Qh7+ Kf8 Ne6+ Qxe6 Qxb7 Nb4
>f4 Qf7 Qxf7+ Kxf7 a3 cxd4
>12/00 168320923  2667.057   +1.09  Nxf7 Qc7 Ng5 Qe7 Qh7+ Kf8 h4 Nb4 a3 Bxg5 Qh8+
>Kf7 Qh5+ Kg8 Qg6+ Kh8

Oops...

12/05 564783899  9628.313   +1.19  g4 Rh8 Qxf7+ Kxh6 f4 Rg8 g5+ Bxg5 Qxb7 Nb4
fxg5+ Qxg5 Rf2 Raf8 h4 Qxh4 Rxf8 Rxf8 Qxa7
12/06 961728634 15877.070   +1.34  e4 dxe4 g4 Rh8 Qxf7
13/00 1528980869 24727.833   +1.48  e4 dxe4 g4 Bg5 Qxf7+ Kxh6 Qxb7 Re7 Qc6+ Kg7
Bxe4 Rxe4 Qxe4 cxd4 Rd3 Bf6



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