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Subject: Re: Mate in about 12......good test

Author: Dieter Buerssner

Date: 14:32:39 05/06/04

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On May 06, 2004 at 14:36:44, Rob Basham wrote:

>1rr3k1/2q1ppb1/p2pbnp1/6Q1/1p1BP1P1/P1N2P2/1PP4R/2K2B1R w - - 0 1
>
>White plays....1.Qh6...!

Yace needs 20 s on my P4 2.53 GHz:

   7064514   9.179   1.72  9t  1.Qh4 Nh5 2.Bxg7 bxa3 3.bxa3 Kxg7 4.Nd1 Qb7
                               5.gxh5 Qb1+ 6.Kd2 Rxc2+ 7.Ke1H {260}
  15361810  19.378   1.73  9t+ 1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Qb7 4.Rh8+ Kg7
                               5.R1h7+ Kg6 6.e5+ Ne4 7.Nxe4 Qxe4 8.Bxe4+ f5
                               9.gxf5+ Bxf5 10.Bxf5+ Kxf5 {350}
  15656113  19.970   1.82  9++ 1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Qb7 4.Rh8+ Kg7
                               5.R1h7+ Kg6 6.e5+ Ne4 7.Nxe4 dxe5 8.Bxe5 Rc5
                               9.Nxc5+ f5 {189}
  17534828  22.890   2.72  9t  1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Bf5 4.Bxf6 exf6
                               5.exf5 Kg7 6.Rh7+ Kf8 7.Rh8+ Ke7 8.Nd5+ Kd7
                               9.Nxc7 Rxh8H 10.Rxh8H Rxh8H 11.Nxa6H bxa3H {190}
  18397443  24.075   2.72  9.  1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Bf5 4.Bxf6 exf6
                               5.exf5 Kg7 6.Rh7+ Kf8 7.Rh8+ Ke7 8.Nd5+ Kd7
                               9.Nxc7 Rxh8 10.Rxh8 Rxh8 11.Nxa6 bxa3 {190}
  21733164  29.395   3.12 10++ 1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Bf5 4.Bxf6 exf6
                               5.exf5 Kg7 6.Rh7+ Kf8 7.Nd5 Ke8 8.Nxc7+ Rxc7
                               {350}
  26265997  37.704   4.12 10++ 1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Bf5 4.Bxf6 exf6
                               5.exf5 Kg7 6.Rh7+ Kf8 7.Nd5 Ke8 8.Nxc7+ Kd7
                               {690}
  42306881  57.908   7.66 10t  1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Qc6 4.Rh8+ Kg7
                               5.R1h7+ Kg6 6.e5+ Ne4 7.Nxe4 Qxc2+ 8.Bxc2H Bb3H
                               9.Rh6+H Kg7H 10.e6+H f6H 11.R8h7+H Kf8H
                               12.Rxf6+H Kg8H 13.Rg6+H Kf8H {690}
  49388207  1:05.4   7.66 10.  1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Qc6 4.Rh8+ Kg7
                               5.R1h7+ Kg6 6.e5+ Ne4 7.Nxe4 Qxc2+ 8.Bxc2 Bb3
                               9.Rh6+ Kg7 10.e6+ f6 11.R8h7+ Kf8 12.Rxf6+ Kg8
                               13.Rg6+ Kf8 {690}
  86839633  1:47.1   7.93 11t  1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Qc6 4.Rh8+ Kg7
                               5.R1h7+ Kg6 6.e5+ Ne4 7.Nxe4 Qxc2+ 8.Bxc2 Rxc2+
                               9.Kxc2 Rxh8 10.Rxh8 dxe5 11.Bxe5 f6 12.Bc7 {760}
 106898851  2:08.9   7.93 11.  1.Qh6 Bxh6+ 2.Rxh6 g5 3.Bd3 Qc6 4.Rh8+ Kg7
                               5.R1h7+ Kg6 6.e5+ Ne4 7.Nxe4 Qxc2+ 8.Bxc2 Rxc2+
                               9.Kxc2 Rxh8 10.Rxh8 dxe5 11.Bxe5 f6 12.Bc7 {760}

Regards,
Dieter



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