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Subject: Re: Fruit plays DeepBlue´s strongest move

Author: Uri Blass

Date: 09:39:09 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)
>
>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

I am sorry to read that Fruit2.1 blunders by playing deep blue's move.

Please give it more time(at least some hours)
Maybe Fruit can change it's mind to the right move Qb6

Here is some analysis after the following moves


[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r1r1q1k1/6p1/3b1p1p/1p1PpP2/1Pp5/2P4P/R1B2QP1/R5K1 w - - 0 1"]
[PlyCount "10"]

1. Qb6 Rxa2 2. Rxa2 Ra8 3. Ra5 Rxa5 4. bxa5 Qb8 5. Qxb8+ Bxb8 *


You can see that at depth 23 the score is already better than the score that it
has for 1.Be4 in your analysis and at depth 27 the score is already more than
+1.

New game,
1b4k1/6p1/5p1p/Pp1PpP2/2p5/2P4P/2B3P1/6K1 w - - 0 1

Analysis by Fruit 2.1:

6.Kf2
  ±  (0.86)   Depth: 1/3   00:00:00
6.a6
  ±  (0.90)   Depth: 1/4   00:00:00
6.a6 Kf7
  ²  (0.66)   Depth: 2/4   00:00:00
6.a6 Ba7+ 7.Kh2 Bc5
  ²  (0.60)   Depth: 3/5   00:00:00
6.Kf2 Ba7+ 7.Kf3 Bc5
  ²  (0.65)   Depth: 3/5   00:00:00
6.Kf1 Kf7 7.a6
  ±  (0.71)   Depth: 3/5   00:00:00
6.Kf1 Kf7 7.a6 Ke7
  ²  (0.58)   Depth: 4/5   00:00:00
6.a6 Bd6 7.Kf1 Bc5
  ²  (0.67)   Depth: 4/7   00:00:00
6.a6 Ba7+ 7.Kh2 Bc5 8.Kg3 Kf7
  ²  (0.56)   Depth: 5/8   00:00:00
6.Kf1 Kf7 7.a6 Ke7 8.Ke2
  ±  (0.76)   Depth: 5/8   00:00:00
6.Kf1 Kf7 7.a6 Ke7 8.Ke2 Kd6
  ²  (0.65)   Depth: 6/8   00:00:00  1kN
6.Kf2 Kf7 7.Kf3 Ke7 8.a6 Kd6
  ²  (0.67)   Depth: 6/10   00:00:00  2kN
6.Kf2 Kf7 7.Kf3 Ba7 8.Kg4 Ke7 9.a6
  ²  (0.65)   Depth: 7/10   00:00:01  2kN
6.Kf2 Kf7 7.Kf3 Ke7 8.a6 Kd6 9.Ke4 Ba7
  ²  (0.64)   Depth: 8/11   00:00:01  4kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6
  ²  (0.59)   Depth: 9/11   00:00:01  5kN
6.Kf2 Kf7 7.a6 Ke7 8.Ke3 Kd6 9.Ke4 Ba7 10.Bd1 Bc5
  ²  (0.57)   Depth: 10/14   00:00:01  11kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.a6 Ba7 10.Kh4 Kc5 11.Kg4
  ²  (0.61)   Depth: 11/16   00:00:01  17kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.a6 Ba7 10.Kh4 Kc5 11.Kg4 Bb6
  ²  (0.52)   Depth: 12/16   00:00:01  28kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.a6 Ba7 10.Kh4 Kc5 11.Kh5 b4 12.cxb4+ Kxb4 13.d6
  ²  (0.50)   Depth: 13/23   00:00:02  56kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.a6 Ba7 10.Kg4 Kc5 11.Kh5 b4 12.cxb4+ Kb6 13.Kg6
Kxa6 14.Kxg7
  ²  (0.49)   Depth: 14/23   00:00:02  95kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.a6 Ba7 10.Kg4 Kc5 11.Kh5 b4 12.cxb4+ Kb6 13.Kg6
Kxa6 14.Kxg7
  ²  (0.49)   Depth: 15/23   00:00:02  144kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.a6 Ba7 10.Kg4 Kc5 11.Kh5 b4 12.cxb4+ Kb6 13.Kg6
Kxa6 14.Kxg7
  ²  (0.49)   Depth: 16/23   00:00:02  211kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 b4 12.Kg6 bxc3 13.Kxg7
Bd6 14.a7 Kxa7 15.Kxf6
  ²  (0.50)   Depth: 17/30   00:00:02  523kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Ba7 11.Kh5 b4 12.cxb4+ Kd4 13.d6
Kxe4 14.d7 Bb6 15.a7 g6+ 16.fxg6
  ²  (0.61)   Depth: 18/37   00:00:03  1595kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Bd6 12.Kg6 b4 13.Kxg7
bxc3 14.Kxf6 Kxa6 15.g4
  ²  (0.59)   Depth: 19/37   00:00:03  3028kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Kxa6 12.Kg6 Ka5 13.Kxg7
Ka4 14.Kxh6 Kb3 15.Kg6 Kxc3 16.Kxf6
  ²  (0.69)   Depth: 20/37   00:00:06  7923kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 b4 11.cxb4+ Kb6 12.Kh5 Kxa6 13.Kg6
Kb5 14.Kxg7 Kxb4 15.Kxf6 Kc5 16.g4 c3
  ²  (0.68)   Depth: 21/37   00:00:07  7923kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Kxa6 12.Kg6 Ka5 13.Kxg7
Ka4 14.Kxf6 Kb3 15.Ke6 Kxc3 16.d6 Kd4
  ²  (0.60)   Depth: 22/48   00:00:17  19940kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Kxa6 12.Kg6 Bc7 13.Kxg7
Bd8 14.d6 b4 15.cxb4 Kb5 16.g4 c3 17.d7 Be7 18.Kxh6 Kxb4
  ±  (0.75)   Depth: 23/53   00:00:51  62966kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Kxa6 12.Kg6 Bd6 13.Kxg7
Be7 14.Kf7 Bd8 15.d6 b4 16.Ke8 Ba5 17.cxb4 Bb6
  ±  (0.78)   Depth: 24/53   00:01:30  110874kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Kxa6 12.Kg6 Bd6 13.Kxg7
Be7 14.Kf7 Bd8 15.d6 b4 16.Ke8 Bb6 17.Ke7 Bc5 18.Kxf6 Bxd6 19.cxb4
  ±  (0.82)   Depth: 25/53   00:02:55  215041kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Kxa6 12.Kg6 Bc7 13.Kxg7
Bd8 14.d6 b4 15.cxb4 Kb5 16.Kf7 Kxb4 17.Ke8 Bb6 18.d7 c3 19.d8Q Bxd8 20.Kxd8
  ±  (0.82)   Depth: 26/54   00:04:19  303421kN
6.Kf2 Kf7 7.Be4 Ke7 8.Kg3 Kd6 9.Kg4 Kc5 10.a6 Kb6 11.Kh5 Kxa6 12.Kg6 Kb6 13.Kxg7
Kc5 14.Kxf6 b4 15.Ke6 b3 16.f6 Bc7 17.f7 Bd6 18.g3 h5 19.g4 hxg4 20.hxg4
  ±  (1.06)   Depth: 27/65   00:15:50  1115914kN

(,  04.07.2005)

Uri



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