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Subject: Re: Question about this mate in 15

Author: Paulo Cesar Soares

Date: 10:36:01 02/26/06

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PentiumIV 2.4 HT=140Mb

1- Arena Gui
FEN: 1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1

Rybka 1.01 Beta 13d 32-bit:
   3	00:00	         784	14.084	-0,86	h4h5
   4	00:00	       1.768	13.715	-0,86	h4h5
   5	00:00	       3.616	17.716	-0,84	h4h5 Nf7g5
   6	00:00	       9.432	18.292	-1,04	h4h5 Nf7g5 h5xg6+ Kh7h8 Qd3e3
   7	00:01	      23.888	24.219	-1,19	h4h5 Nf7g5 h5xg6+ Kh7h8 Ra5a6 Rg8c8
   8	00:02	      54.672	25.834	-1,23	h4h5 Nf7g5 h5xg6+ Kh7h8 Ra5a6 Rg8c8 Qd3e3
   9	00:06	     151.288	26.830	-1,38	h4h5 Nf7g5 h5xg6+ Kh7h8 Ra5a6 Rg8c8 Qd3e3
Bc6b7
  10	00:13	     367.184	27.761	-1,51	h4h5 Nf7g5 h5xg6+ Kh7h8 Ra5a6 Rg8c8 Qd3e3
Bc6b7 Ra6a5
  11	00:28	     776.616	28.519	-1,22	h4h5 Nf7g5 h5xg6+ Kh7h8 Bf2e3 Rb8a8 Ra5xa8
Rg8xa8 Be3xg5 Bf6xg5 Qd3xf3 Qd7c8
  12	00:53	   1.509.464	28.882	-1,37	h4h5 Nf7g5 h5xg6+ Kh7h8 Bf2e3 Rb8a8 Ra5xa8
Rg8xa8 Be3xg5 Bf6xg5 Qd3xf3 Qd7a7 Bf1d3
  12	01:06	   1.843.408	28.335	+M15	Qd3xg6+ Kh7xg6 Bf1d3+ Kg6h5 g3g4+ Kh5xg4
Rh1g1+ Kg4h3 Bd3f1+ Kh3h2 Bf2g3+ Kh2xg1 Ra5a1 Rb8a8

2- Fritz7 Gui:
FEN: 1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1

New game
1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1

Analysis by Rybka 1.01 Beta 13d 32-bit:

1.h4-h5
  µ  (-0.86)   Depth: 3   00:00:00
1.h4-h5
  µ  (-0.86)   Depth: 4   00:00:00
1.h4-h5 Nf7-g5
  µ  (-0.84)   Depth: 5   00:00:00
1.h4-h5 Nf7-g5 2.h5xg6+ Kh7-h8 3.Qd3-e3
  µ  (-1.04)   Depth: 6   00:00:00  9kN
1.h4-h5 Nf7-g5 2.h5xg6+ Kh7-h8 3.Ra5-a6 Rg8-c8
  µ  (-1.19)   Depth: 7   00:00:00  23kN
1.h4-h5 Nf7-g5 2.h5xg6+ Kh7-h8 3.Ra5-a6 Rg8-c8 4.Qd3-e3
  µ  (-1.23)   Depth: 8   00:00:01  54kN
1.h4-h5 Nf7-g5 2.h5xg6+ Kh7-h8 3.Ra5-a6 Rg8-c8 4.Qd3-e3 Bc6-b7
  µ  (-1.38)   Depth: 9   00:00:05  151kN
1.h4-h5 Nf7-g5 2.h5xg6+ Kh7-h8 3.Ra5-a6 Rg8-c8 4.Qd3-e3 Bc6-b7 5.Ra6-a5
  -+  (-1.51)   Depth: 10   00:00:11  367kN
1.h4-h5 Nf7-g5 2.h5xg6+ Kh7-h8 3.Bf2-e3 Rb8-a8 4.Ra5xa8 Rg8xa8 5.Be3xg5 Bf6xg5
6.Qd3xf3 Qd7-c8
  µ  (-1.22)   Depth: 11   00:00:24  776kN
1.h4-h5 Nf7-g5 2.h5xg6+ Kh7-h8 3.Bf2-e3 Rb8-a8 4.Ra5xa8 Rg8xa8 5.Be3xg5 Bf6xg5
6.Qd3xf3 Qd7-a7 7.Bf1-d3
  µ  (-1.37)   Depth: 12   00:00:46  1509kN
1.Qd3xg6+ Kh7xg6 2.Bf1-d3+ Kg6-h5 3.g3-g4+ Kh5xg4 4.Rh1-g1+ Kg4-h3 5.Bd3-f1+
Kh3-h2 6.Bf2-g3+ Kh2xg1 7.Ra5-a1 Rb8-a8
  +-  (#15)   Depth: 12   00:00:58  1843kN

(Soares, Cabo Frio 26.02.2006)



On February 25, 2006 at 18:34:30, Milton Zucker wrote:

>This position was posted several days ago by Mike Byrne.  On my P4 3.4 ghz
>notebook computer, Rybka 1.01 Beta 13d 32 bit solves it in 0:43 sec. in the
>Shredder Classic gui and 1:33 sec. in the Fritz 8 GUI using same size hash and
>default engine settings.
>
>Should this be happening; and if not, what can I do to speed up the program in
>the Fritz gui?  This is a concern because I would obviously like to use Rybka in
>the fastest gui; but Rybka's new book will only work in the Chess Base gui.
>
>Milton
>
>[d]1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1



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