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Subject: Re: Another test position - Qg6!

Author: Uri Blass

Date: 01:37:05 03/26/03

Go up one level in this thread


On March 26, 2003 at 03:53:14, Christophe Drieu wrote:

>On March 25, 2003 at 22:16:39, bobby palacios wrote:
>
>>Take from a tournament game of mine: Anaconda 1.0 - Delfi 4.1 (p4 2.47ghz, game
>>in 2.5hrs)
>>
>>[D]1r1r3k/4q3/2RNb2p/pp2P1p1/1b2QB2/5PP1/4P2P/R5K1 w - g6 0 29
>>
>>A very nice move by Anaconda, and a difficult move to find for most engines.  In
>>fact, during the game it took Anaconda over 4 minutes to play the move.
>
>Chess Tiger 15 Gambit Agressive PIII 1ghz 92Mb
>
>00:00:00.0	-0,22	1	82	Be3 Bxd6 exd6
>00:00:00.0	0,68	1	313	Be3 Bxd6 exd6
>00:00:00.0	0,78	1	388	Be3 Bxd6 exd6
>00:00:00.0	0,72	2	646	Be3 Bd7
>00:00:00.0	1,26	3	3078	Be3 Qg7 Nf5
>00:00:00.0	1,20	4	5256	Be3 Qg7 Nf5 Qg6
>00:00:00.0	0,54	5	18314	Bc1 Qh7 Qxh7+ Kxh7 Bb2 Bd7 Ra6
>00:00:00.1	0,52	6	26181	Bc1 Qh7 Qxh7+ Kxh7 Bb2 Bd2 Rc7+ Kg8 Ra3
>00:00:00.2	0,72	6	48992	Qg6 gxf4 Qxh6+ Kg8 Ne4 Re8 Nf6+ Kf7
>00:00:00.3	0,74	7	79704	Qg6 gxf4 Qxh6+ Kg8 Ne4 Bf5 Nf6+ Kf7 gxf4
>00:00:00.6	0,68	8	161128	Qg6 gxf4 Qxh6+ Kg8 Ne4 Bf5 Nf6+ Kf7 gxf4 Bc5+ Kf1
>00:00:01.4	0,64	9	371369	Qg6 gxf4 Qxh6+ Kg8 Ne4 Bf5 Nf6+ Kf7 gxf4 Rbc8 Ra6
>00:00:03.1	1,20	9	813378	Be3 Qg7 Bd4 Qg8 Ra6 Qh7 Qxh7+ Kxh7 Ba7 Bxd6 Bxb8
>00:00:06.2	1,36	10	1612572	Be3 Qg7 Bd4 Rd7 Rac1 Qh7 Rc8+ Rd8 Qxh7+ Kxh7 R1c7+
>Kg8 Rxd8+ Rxd8 Nxb5
>00:00:11.1	1,41	11	2891661	Be3 Qg7 Bd4 Qh7 Qxh7+ Kxh7 Ba7 Bd7 Rc7 Ra8 Nxb5
>00:00:20.0	1,41	12	5290220	Be3 Qh7 Qxh7+ Kxh7 Ba7 Ra8 Nxb5 Bd7 Rc7 Kg8 Nd4 Rac8
>Rxc8 Rxc8
>00:01:29.9	2,12	12	25410307	Qg6 gxf4 Qxh6+ Kg8 Ne4 Rb6 Nf6+ Kf7 Rc7 Bc5+ Kf1
>Qxc7 Qh7+
>00:02:12.1	1,82	13	37277632	Qg6 gxf4 Qxh6+ Qh7 Qxe6 Rf8 gxf4 Rxf4 Kh1 Rbf8 Nxb5
>Rh4 Nd6

Fritz8.08 64 mbytes hash 1 ghz.

No idea after 20 minutes.

New game
1r1r3k/4q3/2RNb2p/pp2P1p1/1b2QB2/5PP1/4P2P/R5K1 w - g6 0 1

Analysis by Fritz 8:

1.Be3 Qg7 2.Kg2 Rd7 3.Bb6
  ²  (0.69)   Depth: 7/7   00:00:00
1.Be3 Qg7 2.Kg2 Rd7 3.Bb6
  ²  (0.69)   Depth: 9/9   00:00:00
1.Be3 Qg7 2.Kg2 Rd7 3.Bb6
  ²  (0.69)   Depth: 9/9   00:00:00
1.Be3 Qg7 2.Kg2 Bd7 3.Rcc1 Qh7 4.Qd5 Qg8 5.Nf7+ Kg7
  ±  (0.81)   Depth: 10/32   00:00:05  2386kN
1.Be3 Qh7 2.Qxh7+ Kxh7 3.Ba7 Ra8 4.Nxb5 Bd7 5.Rc7 Kg6 6.Nd4 Rac8 7.Bb6 Rxc7
  ±  (0.72)   Depth: 11/30   00:00:22  9371kN
1.Be3 Qh7 2.Qxh7+ Kxh7 3.Ba7 Ra8 4.Nxb5 Bd7 5.Rc7 Kg6 6.Nd4 Rac8 7.Rxc8 Rxc8
8.e3
  ±  (0.94)   Depth: 12/35   00:01:16  32878kN
1.Be3 Qh7 2.Qxh7+ Kxh7 3.Ba7 Bd7 4.Rc7 Ra8
  ±  (0.78)   Depth: 13/34   00:02:27  65483kN
1.Be3 Qh7 2.Qxh7+ Kxh7 3.Ba7 Bd7 4.Rc7 Ra8 5.Nxb5
  ±  (0.94)   Depth: 14/39   00:07:23  199261kN
1.Be3 Qh7 2.Qxh7+ Kxh7 3.Ba7 Bd7 4.Rc7 Ra8 5.Nxb5 Kg6 6.Nd4 Rac8
  ±  (0.94)   Depth: 15/38   00:15:50  435804kN

(Blass, Tel-Aviv 26.03.2003)

Uri



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