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Subject: Re: Fruit plays DeepBlue´s strongest move

Author: Vincent Diepeveen

Date: 05:13:42 07/04/05

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On July 04, 2005 at 06:20:31, Thomas Lagershausen wrote:

> [D]r1r1q1k1/6p1/3b1p1p/1p1PpP2/1Pp5/2P4P/R1B2QP1/R5K1 w - - 0 37
>
>Fruit 2.1:
>  1/4	00:00	           5	0	+0,39	Ta8: Ta8: Ta8: Da8:
>  1/4	00:00	          21	0	+0,49	Kh1
>  1/5	00:00	          62	0	+0,52	Ta3
>  1/5	00:00	          70	0	+0,62	Ta5
>  1/5	00:00	          77	0	+0,97	Ta7 Ta7: Ta7:
>  2/8	00:00	         292	0	+0,97	Ta7 Ta7: Ta7:
>  3/8	00:00	         726	0	+0,59	Ta7 Ta7: Ta7: e4
>  4/10	00:00	       2.781	0	+0,52	Ta7 Ta7: Ta7: Ta8 Le4 Ta7: Da7:
>  5/11	00:00	       8.295	0	+0,59	Ta7 Ta7: Da7: Kh7 Le4 Dh5
>  5/11	00:00	      17.643	0	+0,70	Db6 Ta2: Ta2: Td8 Ta5 Lb4: cb4: Td5:
>  6/13	00:00	      30.673	0	+0,86	Db6 Ta2: Ta2: Dd7 Ta7 Tc7 Db8+ Kh7
>  7/16	00:00	      64.740	0	+0,98	Db6 Ta2: Ta2: Lc7 De6+ Kh7 Ta7 Dh5 h4
>  8/18	00:00	     123.240	0	+0,98	Db6 Ta2: Ta2: Lc7 De6+ Kh8 Ta6 Dd8 d6 Lb6+ Kh2
>  9/18	00:00	     212.591	0	+0,89	Db6 Ta2: Ta2: Lc7 De6+ Kf8 Ta6 Td8 Le4 Dh5 Ta7
>Dd1+ Kh2
> 10/21	00:00	     396.411	0	+0,89	Db6 Ta2: Ta2: Lc7 De6+ Kf8 Ta6 Td8 Le4 Dh5 Ta7
>Dd1+ Kh2
> 11/25	00:00	     800.293	0	+0,89	Db6 Ta2: Ta2: Lc7 De6+ Kf8 Kh1 Ta8 De8:+ Te8:
>Ta7 Ld6 Td7 Le7 d6
> 12/27	00:01	   1.456.127	960.000	+0,78	Db6 Ta2: Ta2: Lc7 De6+ Kf8 Kh1 Ta8 De8:+
>Te8: Ta7 Lb6 Tb7 Le3 Tb5: Ta8
> 13/30	00:02	   3.022.768	1.055.000	+0,99	Db6 Ta2: Ta2: Lc7 De6+ Kf8 Kf1 Ta8
>De8:+ Te8: Ta7 Te7 Tb7 e4 Tb5: Le5 Tc5 Lc3: Tc4:
> 14/35	00:04	   4.886.204	1.125.000	+0,99	Db6 Ta2: Ta2: Lc7 De6+ Kf8 Kf1 Ta8
>De8:+ Te8: Ta7 Te7 Tb7 e4 Tb5: Le5 Tc5 Lc3: Tc4:
> 15/36	00:07	   8.921.793	1.164.286	+0,99	Db6 Ta2: Ta2: Lc7 De6+ Kf8 Kf1 Ta8
>De8:+ Te8: Ta7 Te7 Tb7 e4 Tb5: Le5 Tc5 Lc3: Tc4:
> 16/42	00:18	  21.680.519	1.180.000	+0,61	Db6 Ta2: Ta2: Ta8 Ta8: Da8: Dd6: Da1+
>Kh2 Dc1 Db8+ Kh7 Db5: Df4+ Kg1 Dc1+ Ld1 Dd1:+ Kh2 Dd3 d6 Dc3: Db7
> 16/42	01:44	 123.904.617	1.185.865	+0,73	Le4 Tcb8 Ta6 Ta6: Ta6: Dd8 Kh2 Tb7 De3
>Kh8 g3 Kh7 Ta1 Td7 Ta5 Db8 Ta1
> 17/58	02:08	 145.428.631	1.131.395	+0,69	Le4 Tcb8 Ta6 Ta6: Ta6: Dd8 Kh2 Tb7 De3
>Kh8 g3 Kh7 Ta1 Td7 g4 Tb7 Df2 Td7
> 18/58	02:51	 190.552.266	1.110.890	+0,69	Le4 Tcb8 Ta6 Ta6: Ta6: Dd8 Kh2 Tb7 De3
>Kh7 g3 Db8 Ta1 De8 g4 Dd8 Dd2 Td7 Df2
> 19/58	04:08	 276.357.192	1.114.213	+0,69	Le4 Tcb8 Ta6 Ta6: Ta6: Dd8 Kh2 Tb7 De3
>Kh7 g3 Db8 g4 Df8 Ta2 De8 Ta1 Dd8 Df2 Td7
> 20/58	06:18	 417.340.778	1.100.875	+0,69	Le4 Tcb8 Ta6 Ta6: Ta6: Dd8 Kh2 Tb7 De3
>Kh7 g3 Db8 g4 Df8 Ta2 De8 Ta1 Dd8 Dd2 Td7 Df2
> 21/58	11:09	 732.290.049	1.094.633	+0,69	Le4 Tcb8 Ta6 Ta6: Ta6: Dd8 Kh2 Tb7 De3
>Kh7 g3 Kg8 Ta1 Td7 Df2 Kh7 Ta5 Db8 Ta6 Tb7 Ta1 De8
>
>37.Be4 !! after 1 Min 44sec on a Athlon 3800+ (512 MB Hash)

As proven by Seirawan 37.Qb6 is 1-0
Be4 is not so clear

Kasparov said litterary: "why didn't it play Qb6, ALL computers play Qb6"

>This move breaks the nerves of worldchampion Kasparov. He thought only Karpov
>could tell the machine this move.
>
>Fruit 2.1 is very, very impressive. Any other programs?
>
>TL



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