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Subject: Re: An hard test position

Author: Hans Havermann

Date: 14:35:01 08/07/00

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On August 07, 2000 at 08:30:35, blass uri wrote:

>How much time does your program need to find Rxd6?

William Bryant's Screamer (build 52):

PLY       NODES     TIME    SCORE  PV
__________________________________________________
 5/00     39023     0.725   +2.44  Qxa5 Nf4 Qa8+ Kf7 Qa7+ Ke8 Qb8+ Kd7
 5/01     66233     1.238   +2.81  Qxd6 Qg5 Qb8+ Nf8 f4 exf4 Nxf4
 6/00    150608     2.695   +2.70  Qxd6 Rf6 Qb8+ Rf8 Qxe5 Rxf3 Kh1
 7/00    668431    12.372   +2.42  Qxd6 Qf2 Qb8+ Nf8 Qd8 Rb6 Qd5+ Rhe6 Kh1
 8/00   2595057    50.017      --
 8/00   3682672    70.275   +0.00  Qxd6 Qf2 Qb8+ Kf7 Kh1 Rxh3+ gxh3 Qxf3+ Kh2
Qf2+ Kh1 Qf3+
 8/01   3837239    72.628      ++  Qb8+
 8/01  10330206   284.233   +1.24  Qb8+ Nf8 a3 Qf2 Qd8 Rg3 Nxg3 Qxd2 Kh1
 9/00  16936029   493.382      --
 9/00  25594636   653.129   +0.14  Qb8+ Nf8 a3 Qf2 Qc8 Rg5 Kh1 Rhg6 Qa6 Rxg2
Rxg2 Qxg2
 9/11  43134226   987.339   +0.63  Rxd6 Qf2 Qb8+ Kf7 Qb7+ Kf6 Rxe6+ Kxe6 Qc8+
Ke7 Nc3 Rxh3+ Qxh3 Rh6 Qxh6 gxh6 Rd1
10/00  70817732  1527.550   +0.24  Rxd6 Qf2 Qb8+ Kf7 Qb7+ Kf8 Qc8+ Kf7 Qd7+ Kf8
Rxe6 Rxe6 Qd3 Rd6 Qc2
11/00 121789440  2609.754   +0.23  Rxd6 Qf2 Qb8+ Kf7 Qb7+ Kf8 Qc8+ Kf7 Qd7+ Kf8
Rxe6 Rxe6
12/00 248670408  6443.898   +0.40  Rxd6 Qf2 Rxe6 Rxe6 Qd8+ Kf7 Ng3 Rxh3+ Kxh3
Rh6+ Nh5 Rxh5+ Kg4 Qxg1 Qd7+ Kf8 Kxh5 Qxg2 Qf5



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