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Subject: Re: Good Test Move.....R x P

Author: John Merlino

Date: 13:46:26 12/03/02

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On December 03, 2002 at 13:06:05, Art Basham wrote:

>Here white played Rxh5 and went on to win...!
>My computer is too slow to find this one...it is about 14 or 15 ply deep...
>maybe more...:-)
>
>[D]r1r2k2/1q1n1p2/3PpPp1/4P2p/pbpN3R/2N3K1/1P2Q2P/3R4 w - -
>
>taken from the excellent book
>Test Your Chess IQ
>Grandmaster Challenge
>Cadogan Chess 1993

Chessmaster 9000, on a humble P3-733, is quite impressive on this one. It finds
Rxh5 in one second, and gives it a winning score in 15 seconds:

Time	Depth	Score	Positions	Moves
0:00	1/3	-0.88	2331		1.Ndb5 Rc5 2.Rxc4 Rxb5 3.Nxb5 Qxb5
0:00	1/3	-0.51	2584		1.Qe3 Bxc3 2.Qh6+ Ke8 3.Qh8+ Nf8
					4.bxc3
0:00	1/4	-0.51	6085		1.Qe3 Bxc3 2.Qh6+ Ke8 3.Qh8+ Nf8
					4.bxc3
0:00	1/5	-0.61	23532		1.Qe3 Bxc3 2.Qh6+ Ke8 3.Qh8+ Nf8
					4.bxc3 Qb2 5.Ne2
0:01	1/5	-0.18	51001		1.Rxh5 Kg8 2.Rh4 Bxc3 3.bxc3 a3
					4.Nf3 Qb2
0:03	1/6	0.00	259788		1.Rxh5 gxh5 2.Qxh5 Nxf6 3.Qh6+
					Ke8 4.Qxf6 Bxc3 5.d7+ Qxd7 6.Qh8+
					Ke7 7.Qf6+ Ke8
0:15	1/7	1.63	1290745		1.Rxh5 Kg8 2.Qe3 Nxf6 3.exf6 Bxd6+
					4.Kf2 Qxb2+ 5.Nce2 Bf8 6.Qh3 gxh5
					7.Qxh5 Bg7 8.Qg4 Qxd4+ 9.Qxd4
0:47	1/8	1.70	3888542		1.Rxh5 Nxf6 2.exf6 Bxd6+ 3.Kh3
					Kg8 4.Rg1 Qd7 5.Qe4 e5+ 6.Nf5 Ra5
					7.Qh4
1:09	1/9	2.36	5897461		1.Rxh5 Nxf6 2.exf6 Bxd6+ 3.Kh3
					Kg8 4.Rg1 Qd7 5.Qe4 e5+ 6.Kh4 Bf8
					7.Rxg6+ fxg6 8.Qxg6+ Bg7 9.Qh7+
					Kf8 10.fxg7+ Qxg7 11.Qxg7+ Kxg7
					12.Rxe5
3:22	1/10	3.01	18532611	1.Rxh5 Ke8 2.Rh8+ Nf8 3.Nxe6 fxe6
					4.d7+ Qxd7 5.Rxd7 Kxd7 6.Nxa4 Ra6
					7.Rh4 Bd6 8.Rd4 Rxa4 9.Rxd6+ Ke8

jm



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