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Subject: Re: Good Test Move for fast computors

Author: John Merlino

Date: 12:17:47 06/17/02

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On June 17, 2002 at 11:18:30, Art Basham wrote:

>Here black (Botvinnik in 1940) played
>...Rxh3+, then ...d4, etc.
>
>[D]5bk1/1p4p1/pP3p2/Pq1pn3/8/1r5P/RN1Br1P1/2QR3K b - -
>
>My computor is way too slow to find this one!
>...Rxg2...? is not the correct move here...!

Chessmaster 9000 reports Mate in 6 in two seconds on a PIII-600:

Time	Depth	Score	Positions	Moves
0:00	1/3	-3.97	3032		1...Rxg2 2.Nc4 Re2
0:00	1/4	-4.91	8906		1...Rxg2 2.Nc4 Re2 3.Nxe5 Rxh3+
					4.Kg1 fxe5
0:00	2/5	-7.51	52576		1...Rxg2 2.Nd3 Qxd3 3.Qc8 Rf2
0:01	2/5	-9.18	102236		1...Rxh3+ 2.gxh3 d4 3.Kg1 Qd5 4.Qc4
					Nxc4
0:02	2/6	-Mate06	187169		1...Rxh3+ 2.gxh3 d4 3.Qc4+ Nxc4
					4.Ra3 Qd5+ 5.Rf3 Qxf3+ 6.Kg1 Qg2#
0:03	3/7	-Mate06	239145		1...Rxh3+ 2.gxh3 d4 3.Qc4+ Nxc4
					4.Ra3 Qd5+ 5.Rf3 Qxf3+ 6.Kg1 Qg2#
0:04	3/8	-Mate06	372690		1...Rxh3+ 2.gxh3 d4 3.Qc4+ Nxc4
					4.Ra3 Qd5+ 5.Rf3 Qxf3+ 6.Kg1 Qg2#
0:07	4/9	-Mate06	751818		1...Rxh3+ 2.gxh3 d4 3.Qc4+ Nxc4
					4.Ra3 Qd5+ 5.Rf3 Qxf3+ 6.Kg1 Qg2#

jm



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