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Subject: Re: oldies but goodie (test position)

Author: m.d.hurd

Date: 11:30:52 12/31/05

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On December 31, 2005 at 13:37:27, Mike Byrne wrote:

>FEN: [d]6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w - - 0 1 ; am Qxh6 (loses)
>
>Rybka 1.01 Preview 2:
>   3	00:00	         297	304.128	+5.73	1.Qxh6
>   4	00:00	         493	504.832	+5.95	1.Qxh6
>   5	00:00	       1.060	1.085.440	+5.01	1.Qxh6 Nf5
>   6	00:00	       3.015	3.087.360	+5.01	1.Qxh6 Nf5 2.Qh3
>   7	00:00	       8.022	483.207	+5.07	1.Qxh6 Nf5 2.Qh3 Bxg5
>   8	00:00	      22.132	286.875	+5.07	1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4
>   9	00:00	      56.435	305.764	+5.18	1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Ka2
>  10	00:00	     109.286	309.996	+5.24	1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Qxg5
>  11	00:01	     232.501	317.018	+5.24	1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Qxg5
>axb4+ 5.Kxb4 Kg7
>  12	00:01	     403.776	314.662	+5.89	1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Bc5 h6
>5.Qxe4
>  13	00:02	     730.115	314.662	+5.89	1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Be3 4.Qxe4 h5
>5.Qc4+ Kh7 6.Bc5
>  14	00:05	   1.425.547	317.684	+5.95	1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Be3 4.Qxe4 Kf7
>5.Qd5+ Kg7 6.Qd7+ Kf6 7.Qxh7 Bb6
>  15	00:10	   3.058.414	319.638	-2.23	1.Qxh6 Bxb4+ 2.Kxb4 Nh5 3.Kc4 a5 4.h4 Ng3
>5.h5 Nf5 6.hxg6 Nxh6 7.gxh7+ Kxh7
>  15	02:05	  35.373.056	290.827	+2.63	1.Qxe4 Bxb4+ 2.Kxb4 a5+ 3.Kxa5 Rh5 4.Qa8+
>Kf7 5.Qb7+ Kg8 6.Qc8+ Kf7 7.Qc7+ Kg8
>
>from our friend Ed Schröder ...


Hello Mike

New game - Rybka 1.0 Beta 32-bit
6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w - - 0 1

Analysis by Rybka 1.0 Beta 32-bit:

1.Qxh6
  +-  (5.73)   Depth: 3   00:00:00
1.Qxh6
  +-  (5.95)   Depth: 4   00:00:00
1.Qxh6 Nf5
  +-  (5.01)   Depth: 5   00:00:00
1.Qxh6 Nf5 2.Qh3
  +-  (5.01)   Depth: 6   00:00:00  1kN
1.Qxh6 Nf5 2.Qh3 Bxg5
  +-  (5.07)   Depth: 7   00:00:00  4kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4
  +-  (5.07)   Depth: 8   00:00:00  10kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Ka2
  +-  (5.18)   Depth: 9   00:00:00  28kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Qxg5
  +-  (5.24)   Depth: 10   00:00:00  67kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Qxg5 axb4+ 5.Kxb4 Kg7
  +-  (5.24)   Depth: 11   00:00:01  143kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Bc5 h6 5.Qxe4
  +-  (5.89)   Depth: 12   00:00:02  265kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Be3 4.Qxe4 h5 5.Qc4+ Kh7
  +-  (5.89)   Depth: 13   00:00:04  487kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Be3 4.Qxe4 Kf7 5.Qd5+ Kg7
  +-  (5.95)   Depth: 14   00:00:08  939kN
1.Qxh6 Bxb4+ 2.Kxb4 Nh5 3.Kc4 a5 4.h4 Ng3 5.h5 Nf5
  -+  (-2.23)   Depth: 15   00:00:17  2125kN
1.Qxe4 Bxb4+ 2.Kxb4 a5+ 3.Kxa5 Rh5 4.Qa8+ Kf7 5.Qb7+ Kg8
  +-  (2.61)   Depth: 15   00:04:07  28577kN
1.Qxe4 Bxb4+ 2.Kxb4 a5+ 3.Kxa5 Rh5 4.Qa8+ Kf7 5.Qb7+ Kg8
  +-  (2.61)   Depth: 16   00:04:38  32385kN

New game - Rybka 1.0 Beta 32-bit, 40'/40+40'/40+40'
6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w - - 0 1

Analysis by Rybka 1.0 Beta 32-bit: SP

1.Qxh6
  +-  (5.73)   Depth: 3   00:00:00
1.Qxh6
  +-  (5.95)   Depth: 4   00:00:00
1.Qxh6 Nf5
  +-  (5.01)   Depth: 5   00:00:00
1.Qxh6 Nf5 2.Qh3
  +-  (5.01)   Depth: 6   00:00:00  1kN
1.Qxh6 Nf5 2.Qh3 Bxg5
  +-  (5.07)   Depth: 7   00:00:00  4kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4
  +-  (5.07)   Depth: 8   00:00:00  10kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Ka2
  +-  (5.18)   Depth: 9   00:00:00  28kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Qxg5
  +-  (5.24)   Depth: 10   00:00:00  67kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Qxg5 axb4+ 5.Kxb4 Kg7
  +-  (5.24)   Depth: 11   00:00:01  143kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Bc5 h6 5.Qxe4
  +-  (5.89)   Depth: 12   00:00:02  265kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Be3 4.Qxe4 h5 5.Qc4+ Kh7
  +-  (5.89)   Depth: 13   00:00:04  487kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Be3 4.Qxe4 Kf7 5.Qd5+ Kg7
  +-  (5.95)   Depth: 14   00:00:08  939kN
1.Qxh6 Bxb4+ 2.Kxb4 Nh5 3.Kc4 a5 4.h4 Ng3 5.h5 Nf5
  -+  (-2.23)   Depth: 15   00:00:16  2125kN
1.Qxe4 Bxb4+ 2.Kxb4 a5+ 3.Kxa5 Rh5 4.Qa8+ Kf7 5.Qb7+ Kg8
  +-  (2.61)   Depth: 15   00:04:07  28577kN

Athlon 2400 xp

Regards

Mike



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