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Subject: Re: Braga - Timman, Mar del Plata 1982 - CORRECTION was wrong fen

Author: John Merlino

Date: 12:07:27 10/24/03

Go up one level in this thread


On October 24, 2003 at 04:44:41, Vincent Lejeune wrote:

>On October 24, 2003 at 04:42:14, Vincent Lejeune wrote:
>
>>On October 23, 2003 at 19:12:09, John Merlino wrote:
>>
>>>On October 23, 2003 at 16:39:50, Darren Rushton wrote:
>>>
>>>>[D]r4b1r/p1P3pp/1pN1pqb1/1Bkp1p2/P3n2Q/7P/2P3KB/7R w - - 0 1
>>>>
>>...
>>>After forcing 1.Rb8 Qxh4 2.c8=Q+, it says that 2...Kb4 leads to a draw, but
>>>after 2.Kd4 the position is unclear (but probably drawish):
>>>
>>>Time	Depth	Score	Positions	Moves
>>...
>>>1:20	2/11	-0.05	28790924	3.Rd1+ Ke3 4.Rd3+ Ke2 5.Bg3 a6
>>>					6.Bxh4 axb5 7.Nc6 Bc5 8.Qxe6 Rhc8
>>>					9.Qxd5 Rxc6 10.Qxc6 Rxa4 11.Qd7
>>>
>>>jm
>>
>>The position after 3.Rd1+ Ke3 4.Rd3+ Ke2 5.Bg3 worth a look
>>I analysed for 30 sec with hiarcs 9 and it give +1 for white, longer analyses
>>will be usefull i tink ...
>>
>>how all top engines evaluate this , please :
>This one
>[d]rNQ2b1r/p5pp/1p2p1b1/1B1p1p2/P3n2q/3R2BP/2P1k1K1/8 b - - 0 0

You appear to be correct. Here is what CM9000 (on a P4-2.4) says:

Time	Depth	Score	Positions	Moves
0:00	1/3	-3.07	2827		1...Qxg3+ 2.Rxg3+ Kd2 3.Rf3 Bh5
0:00	1/4	-1.93	9838		1...Qxg3+ 2.Rxg3+ Kd2 3.Rd3+ Kc1
					4.Qb7 Bd6 5.Qxa8 Bxb8
0:00	1/5	-1.93	20103		1...Qxg3+ 2.Rxg3+ Kd2 3.Rd3+ Kc1
					4.Qb7 Bd6 5.Qxa8 Bxb8
0:00	1/5	-2.11	31268		1...a6 2.Bxh4 axb5 3.Nc6 Rxa4 4.Qxe6

0:00	1/6	-1.99	83754		1...a6 2.Bxh4 axb5 3.axb5 Nc5 4.Rf3
					e5 5.Qc7
0:00	1/7	-2.00	239461		1...a6 2.Bxh4 axb5 3.Nc6 Bc5 4.Qxe6
					bxa4 5.Qxd5
0:01	1/8	-0.86	628955		1...a6 2.Bxh4 axb5 3.Nc6 Bc5 4.Qxe6
					d4 5.Nxd4+ Bxd4 6.Rxd4 Rxa4 7.Qxb6
0:06	1/9	0.04	2163885		1...a6 2.Bxh4 axb5 3.Nc6 Bc5 4.Qxe6
					Rhc8 5.Qxd5 Rxc6 6.Qxc6 Rxa4 7.Qd7
0:35	1/10	0.46	11813256	1...a6 2.Bxh4 axb5 3.Nc6 Bc5 4.Qxe6
					d4 5.Qb3 Nc3 6.Nxd4+ Bxd4 7.Rxd4
					Rhc8 8.axb5
1:46	2/11	3.91	34978626	1...a6 2.Bxh4 axb5 3.Qxe6 Rxa4
					4.Qxd5 Bc5 5.Nc6 Rd8 6.Qxd8 Bh5
					7.Nd4+ Bxd4 8.Rxd4
5:16	2/11	0.83	97060475	1...Qxg3+ 2.Rxg3+ Kd2 3.Rd3+ Kc1
					4.Qxe6 Bd6 5.Qxd5 Bh5 6.Qxf5 Be2
					7.Rxd6 Nxd6 8.Qf4+ Kxc2 9.Bxe2 Re8
6:13	3/12	2.22	113576896	1...Qxg3+ 2.Rxg3+ Kd2 3.Rd3+ Kc1
					4.Qxe6 Bd6 5.Qxd5 Bh5 6.Qd4 Bb4
					7.Qa1+ Kxc2 8.Qa2+ Kc1 9.Rb3 Bf3+
					10.Rxf3 Nd2 11.Qa1+ Kc2
11:19	4/13	2.51	204024047	1...Qxg3+ 2.Rxg3+ Kd2 3.Rd3+ Kc1
					4.Qxe6 Bc5 5.Qxd5 Nf2 6.Qxa8 Nxd3
					7.cxd3 a5 8.Qf3 Rd8 9.Nc6
26:33	5/14	3.03	490679124	1...Qxg3+ 2.Rxg3+ Kd2 3.Rd3+ Kc1
					4.Qxe6 Bb4 5.Qxd5 Nc3 6.Qxa8 Kxc2
					7.Rd7 a5 8.Qa7 Nxb5 9.axb5 Bc5
					10.Rxg7 Kb2

jm



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