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Subject: Re: Tactical position

Author: John Merlino

Date: 08:40:38 03/22/05

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On March 22, 2005 at 10:23:34, Mihaly Szalai wrote:

>Not so hard, but spectacular.
>
>From the correspondence game Balogh,J - Keres, 1936/37.
>
>[D]r2q2k1/p5pp/1p1p1n1n/2p1N2Q/8/B5P1/P6P/4RRK1 w - - 0 1
>
>1. Qxh6! gxh6 2. Nc6 Qf8 3. Ne7+ Kg7 4. Bb2 Re8 5. Re6 1-0

CMX Yoda v25 needs 0:40 to find the move on a P4-2.4. The score is not
convincing for another minute, though:

Time	Depth	Score	Positions	Moves
0:00	1/6	0.14	25993		1.Qf3 dxe5 2.Bb2 Nf7 3.Bxe5 Nxe5
					4.Rxe5 Qd4+ 5.Re3
0:00	1/6	0.67	32974		1.Rxf6 Qxf6 2.Ng4 Qd4+ 3.Ne3 Nf7
					4.Qf5
0:00	1/7	0.54	84394		1.Rxf6 Qxf6 2.Ng4 Qd4+ 3.Ne3 Rc8
					4.Qd5+ Qxd5 5.Nxd5 Nf5
0:01	1/8	0.53	197231		1.Rxf6 Qxf6 2.Ng4 Qd4+ 3.Ne3 Nf7
					4.Qd5 Qxd5 5.Nxd5 Ne5
0:02	1/9	0.33	604237		1.Rxf6 Qxf6 2.Ng4 Qd4+ 3.Ne3 Rf8
					4.Qd5+ Qxd5 5.Nxd5 Ng4 6.Ne7+ Kh8
					7.Bb2
0:08	1/10	0.22	1887373		1.Rxf6 Qxf6 2.Ng4 Qd4+ 3.Ne3 Rf8
					4.Qd5+ Qxd5 5.Nxd5 Ng4 6.Re2 Ne5
					7.Kg2
0:15	1/10	0.25	3218227		1.Qd1 dxe5 2.Rxe5 Nf7 3.Qxd8+ Rxd8
					4.Re7 Rd7 5.Rfe1 Nd6 6.Bb2 Rxe7
					7.Rxe7
0:22	1/11	0.12	4800417		1.Qd1 dxe5 2.Rxe5 Nhg4 3.Re2 Nd5
					4.Qd3 Qd7 5.Bb2 Rd8 6.h3 Ngf6 7.Bxf6
					gxf6
0:31	1/11	0.27	6968320		1.Rxf6 Qxf6 2.Ng4 Qd4+ 3.Ne3 Nf7
					4.Qd5 Qxd5 5.Nxd5 Ne5 6.Re2 Re8
					7.Bb2
0:40	1/11	0.33	9108917		1.Qxh6 gxh6 2.Nc6 Qd7 3.Ne7+ Kg7
					4.Bb2 Rf8 5.Nd5 Kg6 6.Re7 Qg4 7.Bxf6
0:44	2/12	0.33	9972254		1.Qxh6 gxh6 2.Nc6 Qd7 3.Ne7+ Kg7
					4.Bb2 Rf8 5.Nd5 Kg6 6.Re7 Qb5 7.Bxf6
					Rf7
1:39	2/13	0.91	23476268	1.Qxh6 gxh6 2.Nc6 Qd7 3.Ne7+ Kg7
					4.Bb2 Rf8 5.Nd5 Kg6 6.Re7 Qb5 7.Bxf6
					Rg8 8.Rxa7 Qe2 9.Nxb6

jm



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