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Subject: Re: Engine Test......White Wins by Rxg7+

Author: Dan Ellwein

Date: 20:32:55 07/04/04

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On July 04, 2004 at 08:34:52, Rob Basham wrote:

>Chess Tiger 14
>finds
>Rxg7+ in just 10 seconds...P3/850
>
>[D]2r1r1k1/1b4p1/pp6/8/Pn2N2P/1q5P/4Q2K/R1B3R1 w - - 0 1
>
>This might be a forced mate in about 21, but not sure...
>
>Rob

takes CM9_OffSet 12 minutes to see Rxg7+...

P3/850

Time	Depth	Score	Positions	Moves
0:00	1/3	3.94	5043		1.Nf6+ Kf8 2.Nxe8 Bf3 3.Rg3 Rc2
0:00	1/4	3.67	23039		1.Nf6+ Kf8 2.Nxe8 Rc3 3.Rf1+ Kg8
					4.Nf6+ gxf6 5.Qe8+ Kh7 6.Qe7+ Kg8
					7.Qxb7 Rxh3+ 8.Kg1 Qg3+ 9.Qg2 Rxh4
0:02	1/5	4.12	99883		1.Nf6+ Kf8 2.Nxe8 Bf3 3.Rf1 Rc2
					4.Bd2
0:06	1/6	5.71	267494		1.Nf6+ Kf8 2.Nxe8 Bf3 3.Rg3 Rc2
					4.Bd2 Bxe2 5.Rxb3 Rxd2 6.Rxb4 Kxe8
					7.Rxb6
0:25	1/7	6.50	1069450		1.Nf6+ Kf8 2.Nxe8 Bf3 3.Rf1 Rc2
					4.Bd2 Rxd2 5.Qxd2 Kxe8 6.Rae1+
					Kf7 7.Rxf3+ Qxf3 8.Qxb4 Qf2+ 9.Kh1
1:19	1/8	6.66	3350132		1.Nf6+ Kf8 2.Nxe8 Qc4 3.Qxc4 Rxc4
					4.Rxg7 Bd5 5.Be3 Nc2 6.Rf1+ Kxe8
					7.Bxb6 Rxa4
2:52	1/9	6.68	7477450		1.Nf6+ Kf8 2.Nxe8 Qc4 3.Qf2+ Kxe8
					4.Re1+ Be4 5.Qf4 Kd7 6.Qxe4 Qc2+
					7.Qxc2 Rxc2+ 8.Kg3 Nd3
9:50	1/10	7.50	25970609	1.Nf6+ Kf8 2.Nxe8 Bf3 3.Rf1 Rc2
					4.Bd2 Kg8 5.Rxf3 Rxd2 6.Qxd2 Qxf3
					7.Qxb4 Qe2+ 8.Kg1 Qxe8 9.Qxb6
12:06	1/10	8.01	33289900	1.Rxg7+ Kxg7 2.Qg4+ Kh8 3.Qh5+
					Kg8 4.Qg6+ Kh8 5.Qh6+ Kg8 6.Bd2
					Qg3+ 7.Nxg3 Re7 8.Ne4 Rg7 9.Qe6+
					Kh8 10.Bxb4
Dan




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