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Subject: Re: End Game Study.....A Surprise Move Here...

Author: John Merlino

Date: 12:27:22 04/15/03

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On April 15, 2003 at 13:41:20, Art Basham wrote:

>A very good move here is
>Qe6...! (This is the move called for in the book)...
>
>But any good chess computer will play
>Qc4 as the very best move here..!!
>
>[D]4Rr1k/p5pp/3P4/8/5rq1/1Q6/P3RPP1/6K1 w - - 0 1
>
>Very unique and beautiful too!
>The surprise move is what makes chess so much fun,
>and keeps it "alive"...

It takes Chessmaster 9000, on a P3-733, 37 seconds to find Qc4:

Time	Depth	Score	Positions	Moves
0:00	1/3	2.68	2568		1.Qb8 Kg8 2.Qxa7 Rf7
0:00	1/4	2.78	14091		1.Qb8 Kg8 2.Qxa7 Qh5
0:00	1/5	2.79	42657		1.Qb8 Kg8 2.Qxa7 Rf7 3.Qc5 Qa4
					4.R8e7
0:01	1/6	5.01	146672		1.Qb8 Kg8 2.Qb5 Rf7 3.d7 Qd4 4.d8=Q
					Qxd8 5.Rxd8 Rxd8
0:02	1/6	6.93	212266		1.Qg3 Qh5 2.d7 Qxe2 3.Rxe2 Rd4
					4.Re8 Rd1+ 5.Kh2
0:02	1/7	7.46	298600		1.Qg3 Qxe2 2.Rxe2 R4f7 3.Re7 Kg8
					4.Qe5 Rxe7 5.dxe7
0:05	1/8	7.79	540104		1.Qg3 Qxg3 2.fxg3 Rf1+ 3.Kh2 Rg8
					4.d7 Rd1 5.Rxg8+ Kxg8 6.Re7 a5
					7.a4 Rd4 8.Re8+ Kf7 9.d8=Q Rxd8
					10.Rxd8
0:10	1/8	8.21	1138749		1.Qe6 Qxe6 2.R2xe6 Kg8 3.d7 Rd4
					4.Rxf8+ Kxf8 5.Re8+ Kf7 6.d8=Q
					Rxd8 7.Rxd8 Ke6
0:13	1/9	8.22	1493952		1.Qe6 Qxe6 2.R2xe6 Kg8 3.d7 Rd4
					4.Rxf8+ Kxf8 5.Re8+ Kf7 6.d8=Q
					Rxd8 7.Rxd8 Ke6 8.Kf1
0:37	1/9	9.30	4191266		1.Qc4 h5 2.Rxf8+ Rxf8 3.Qxg4 hxg4
					4.d7 g3 5.Re8 gxf2+ 6.Kf1 Kh7 7.Rxf8
0:49	2/10	11.68	5554111		1.Qc4 h5 2.Rxf8+ Rxf8 3.Qxg4 hxg4
					4.d7 g3 5.Re8 gxf2+ 6.Kf1 Kg8 7.Rxf8+
					Kxf8 8.d8=Q+ Kf7 9.Kxf2 Ke6 10.Qd3
2:06	3/11	12.12	15098019	1.Qc4 h5 2.Rxf8+ Rxf8 3.Qxg4 hxg4
					4.d7 Kh7 5.Re8 Rf6 6.d8=Q g3 7.Rh8+
					Kg6 8.Qe8+ Kf5 9.Qb5+ Ke4 10.Rh4+
					Rf4 11.Rxf4+ Kxf4 12.fxg3+ Ke3

jm




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