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Subject: Re: Best Move for White?

Author: Art Basham

Date: 07:06:08 01/31/04

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Thanks Steve..
Very interesting...
I guess that just proves the point that John made in his post..
he thought there might be a mate in 13 also..
regards
Art

On January 31, 2004 at 09:29:59, Steven J. Brann wrote:

>On January 30, 2004 at 11:51:21, Art Basham wrote:
>
>>[D]r4rk1/ppp1qpp1/2b1p2p/b2pP2Q/3P1R2/2PBP3/PP1B2PP/5RK1 w - - 0 1
>>
>>I was wondering if my Rf6 move was the best move here...
>>(planning to next play Rxh6 and of course win...etc.
>>
>>Maybe something better?
>>
>>thanks!
>
>Chessmaster 9000 with default personality with SS=16 finds Rf6 quickly but takes
>over 2 hours to find a definitive mate in 13 on a P4-3.0G machine.
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	0.65	1527		1.b4 Qg5 2.Qxg5 hxg5
>0:00	1/4	0.81	5142		1.b4 Bb6 2.c4 dxc4 3.Bxc4
>0:00	1/5	0.76	21410		1.b4 Bb6 2.c4 dxc4 3.Bxc4 a6
>0:00	1/6	0.70	47127		1.b4 Bb6 2.c4 Qg5 3.Qe2 Qe7 4.cxd5
>					Bxd5
>0:00	1/6	1.51	99648		1.Rg4 f5 2.Qxh6 Ba4 3.Rg3 Rad8
>0:00	1/7	1.51	149720		1.Rg4 f5 2.Qxh6 Ba4 3.Be1 Bd1 4.Rg6
>					Qd7
>0:01	1/8	1.66	255785		1.Rg4 f5 2.Qxh6 Ba4 3.b4 Bb6 4.Rg6
>					Bd7 5.c4
>0:02	1/9	1.76	567011		1.Rg4 f5 2.Qxh6 Ba4 3.b4 Bb6 4.c4
>					c5 5.cxd5 cxd4 6.dxe6 dxe3
>0:13	1/9	3.96	3840112		1.Rf6 Bb5 2.Bxb5 a6 3.Bd3 Bxc3
>					4.Rxh6 gxh6 5.Qxh6 f5 6.exf6ep
>					Rxf6 7.Qg5+ Qg7 8.Qxg7+ Kxg7 9.Bxc3
>0:21	1/10	8.93	6164842		1.Rf6 Bb5 2.Bxb5 a6 3.R1f3 axb5
>					4.Rxh6 gxh6 5.Qxh6 Qh4 6.Qxh4 Rfe8
>					7.e4
>0:27	1/11	9.71	8188132		1.Rf6 Bb5 2.Bxb5 g6 3.Qxh6 Bxc3
>					4.Bxc3 c5 5.dxc5 a6 6.Bd3
>0:45	1/12	10.46	13956628	1.Rf6 Bb5 2.Bxb5 Rfd8 3.R1f3 Qf8
>					4.Rxf7 c6 5.Rxf8+ Rxf8 6.Rxf8+
>					Rxf8 7.Bd3 Bb6 8.Qg6
>1:14	1/13	10.87	23552707	1.Rf6 Bb5 2.Bxb5 Rfd8 3.R1f3 Qf8
>					4.Rxf7 c6 5.Rxf8+ Rxf8 6.Rxf8+
>					Rxf8 7.Bd3 Rf7 8.Qg6 Re7 9.e4
>3:20	1/14	12.27	61917199	1.Rf6 Bb5 2.Bxb5 Rfc8 3.R1f3 Qf8
>					4.Rxf7 c6 5.R3f6 Kh8 6.Bd3 Qxf7
>					7.Qxf7 g6 8.Rxg6
>10:02	1/15	14.01	187486227	1.Rf6 Bb5 2.Bxb5 Rfe8 3.Rxf7 Qg5
>					4.Bxe8 Qxh5 5.Rf8+ Kh7 6.Bxh5 Rxf8
>					7.Rxf8 g5 8.Rf6 c6 9.Rf7+ Kh8 10.Rxb7
>46:42	1/16	20.42	951368683	1.Rf6 Bb5 2.Bxb5 Rfd8 3.R1f3 Qf8
>					4.Rxf7 Kh8 5.Bd3 Qg8 6.R3f6 Qh7
>					7.Bxh7 Bxc3 8.Qg6 Rg8 9.Bxg8
>2:13:39	1/17	Mate13	3211711095	1.Rf6 Bb5 2.Bxb5 Rfd8 3.R1f4 Rd7
>					4.Bxd7 Qf8 5.Rg4 Kh8 6.e4 g6 7.Rgxg6
>					fxg6 8.Rxf8+ Rxf8 9.Qxh6+ Kg8 10.Bxe6+
>					Rf7 11.Qxg6+ Kh8 12.Bxf7 dxe4 13.Qg8#
>2:36:20	2/18	Mate13	3812705799	1.Rf6 Bb5 2.Bxb5 Rfe8 3.Bd3 Qxf6
>					4.exf6 Bb4 5.fxg7 f5 6.Bxf5 exf5
>					7.Rxf5 Re7 8.Qxh6 Rxg7 9.Qe6+ Kh8
>					10.Rh5+ Rh7 11.Qf6+ Kg8 12.Rg5+
>					Rg7 13.Qxg7#
>
>Steve



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