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Subject: Re: It does not matter if it is Black to move (Rebel eval is Wrong!!!!)

Author: ALI MIRAFZALI

Date: 07:15:04 08/13/03

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On August 13, 2003 at 00:46:43, Slater Wold wrote:

>On August 13, 2003 at 00:44:07, Slater Wold wrote:
>
>>On August 13, 2003 at 00:35:20, ALI MIRAFZALI wrote:
>>
>>>On August 12, 2003 at 23:44:31, Slater Wold wrote:
>>>
>>>>On August 12, 2003 at 19:34:45, ALI MIRAFZALI wrote:
>>>>
>>>>>[D]1r5k/7p/5PP1/1q6/p2p1N1K/2b1pBP1/8/3Q4 b
>>>>>The real question here is at what ply depth do strong programs see that white is
>>>>>winning(+1 evaluation or more).Here is what CM9000 says at 1.8 gig with over
>>>>>18 hours of Computation:
>>>>>Time	Depth	Score	Positions	Moves
>>>>>0:30	1/9	-0.04	4177820		64...d3 65.g7+ Kg8 66.Bd5+ Qxd5
>>>>>					67.Nxd5 e2 68.Qxd3 e1=Q 69.Ne7+
>>>>>					Kf7 70.g8=Q+ Rxg8 71.Qxh7+ Kxf6
>>>>>					72.Nxg8+ Ke6 73.Qe7+ Kf5 74.Qf7+
>>>>>					Ke4
>>>>>0:50	1/9	-0.24	6946991		64...Rg8 65.g7+ Rxg7 66.Bd5 e2
>>>>>					67.fxg7+ Kxg7 68.Qxe2 Qxe2 69.Nxe2
>>>>>					Kf6 70.Bg8 Kg6 71.Nf4+ Kh6 72.Ba2
>>>>>					a3
>>>>>1:59	2/10	-0.38	16813719	64...Rg8 65.g7+ Rxg7 66.Bd5 e2
>>>>>					67.fxg7+ Kxg7 68.Qxe2 Qxe2 69.Nxe2
>>>>>					Kf6 70.Nf4 a3 71.Nd3 h6 72.Ba2
>>>>>4:49	3/11	-0.06	42378605	64...Rg8 65.g7+ Rxg7 66.fxg7+ Kxg7
>>>>>					67.Qc2 Qd7 68.Qe4 Kg8 69.Qe5 Qd8+
>>>>>					70.Kh3 Qc8+ 71.Bg4 Qc6 72.Be6+
>>>>>					Kf8 73.Qf6+ Ke8 74.Qh8+ Ke7 75.Qxh7+
>>>>>					Kd6
>>>>>12:01	4/12	0.00	108592209	64...Rg8 65.g7+ Rxg7 66.fxg7+ Kxg7
>>>>>					67.Qc2 Qd7 68.Qe4 Kh8 69.Qe5+ Qg7
>>>>>					70.Qe8+ Qg8 71.Qe5+ Qg7
>>>>>38:26	5/13	0.00	354471504	64...Rg8 65.g7+ Rxg7 66.fxg7+ Kxg7
>>>>>					67.Qc2 Qd7 68.Qe4 Kh8 69.Qa8+ Kg7
>>>>>					70.Qe4
>>>>>2:25:08	6/14	0.20	1361525168	64...Rg8 65.g7+ Rxg7 66.fxg7+ Kxg7
>>>>>					67.Qc2 Qd7 68.Qe4 Kh8 69.Qe5+ Qg7
>>>>>					70.Qe8+ Qg8 71.Qxa4 d3 72.Qe4 Qd8+
>>>>>					73.Kh3 e2 74.Nxd3 Qd7+ 75.Bg4 Qxd3
>>>>>					76.Qxd3 e1=Q
>>>>>4:57:06	6/14	0.17	2807066913	64...d3 65.g7+ Kg8 66.Bd5+ Qxd5
>>>>>					67.Nxd5 e2 68.Qxd3 e1=Q 69.Ne7+
>>>>>					Kf7 70.g8=Q+ Rxg8 71.Qxh7+ Kxf6
>>>>>					72.Nxg8+ Ke6 73.Qe7+ Kf5 74.Qf7+
>>>>>					Ke4 75.Qf4+ Kd3 76.Qxa4 Qh1+ 77.Kg4
>>>>>					Qe4+ 78.Qxe4+ Kxe4 79.Ne7 Bf6
>>>>>12:51:58	7/15	0.22	3130397897	64...d3 65.g7+ Kg8 66.Bd5+ Qxd5
>>>>>					67.Nxd5 e2 68.Qxd3 e1=Q 69.Ne7+
>>>>>					Kf7 70.g8=Q+ Rxg8 71.Qxh7+ Kxf6
>>>>>					72.Nxg8+ Ke6 73.Qe7+ Kf5 74.Qf7+
>>>>>					Ke4 75.Qf4+ Kd3 76.Qxa4 Qe4+ 77.Qxe4+
>>>>>					Kxe4 78.g4 Bg7 79.Kh5 Kf4
>>>>>
>>>>>                        am
>>>>
>>>>Doesn't take Rebel 12.0 long...
>>>>
>>>>00:00:00.1	4.79	1	12	hxg6 Nxg6+ Kg8
>>>>00:00:00.1	5.25	1	97	Rg8
>>>>00:00:00.1	2.36	2	328	Rg8 g7+ Rxg7 fxg7+ Kxg7
>>>>00:00:00.1	4.93	2	415	hxg6 Nxg6+ Kh7
>>>>00:00:00.2	3.07	3	1993	hxg6 Nxg6+ Kh7 Qc2
>>>>00:00:00.2	3.21	3	8182	Rd8 Qc2 Rd7 g7+
>>>>00:00:00.2	2.59	4	15406	Rd8 Qc2 Rd7 Kh3
>>>>00:00:00.2	2.87	4	16916	hxg6 Nxg6+ Kh7 Qc2 d3 Qxc3
>>>>00:00:00.2	2.87	5	27776	hxg6 Nxg6+ Kh7 Qc2 d3 Qxc3 Kxg6
>>>>00:00:00.3	2.42	6	89427	hxg6 Nxg6+ Kh7 Qc2 Kh6 Nf4 Qg5+ Kh3
>>>>00:00:00.6	2.25	7	361516	hxg6 Nxg6+ Kh7 Ne7 Kh8 Qc2 Qc4 Qe4
>>>>00:00:01.6	1.23	8	1268605	hxg6 Nxg6+ Kh7 Ne7 d3 Be4+ Kh6 Nf5+
>>>>00:00:28.9	-4.27	9	28711380	hxg6 Nxg6+ Kh7 Be4 Kg8 Qg4 Kf7 Nf8
>>>>00:00:42.2	-2.88	9	41866081	Rd8 Qc2 Rg8 g7+ Rxg7 fxg7+ Kxg7 Qe4
>>>>00:01:39.2	-1.20	9	97534625	Rg8 Qc2 Qd7 g7+ Rxg7 fxg7+ Qxg7
>>>>00:01:59.0	-1.24	10	117409011	Rg8 Qc2 Qd7 g7+ Rxg7 fxg7+ Qxg7
>>>>00:03:04.8	-1.72	11	181977928	Rg8 g7+ Rxg7 fxg7+ Kxg7 Ba8 Qd7 Qh5
>>>The analysis does not show that white is winning (-1.72).Obviously a mere
>>>11 ply is not enough for this very complicated position.64...d3 is better than
>>>Rebels 64..Rg8.Shredder played 64...Rd8 and lost.
>>
>>Rebel's eval is for itself.
>
>The position you gave is for black.
>
>So Rebel thinks white is up 1.72.



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