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Subject: Re: Mate in about 7 or 8.....correct diagram

Author: John Merlino

Date: 09:05:09 12/06/02

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On December 06, 2002 at 11:14:09, Art Basham wrote:

>Sorry......I forgot the black Bishop at c8...:-)
>
>[D]2b2k2/1pp2ppp/5n2/3r4/r6Q/5P2/q5PP/1RB1RB1K w - -

CM9000, on a P3-733, announces Mate in 12 after 12 seconds. Then, after 30
seconds, it announces Mate in 10. I think that is probably the optimal mate.

Time	Depth	Score	Positions	Moves
0:00	1/3	5.53	5373		1.Qxf6 Be6 2.Rxe6 Rd7
0:00	1/4	11.14	52217		1.Qxf6 Re4 2.Rxe4 Be6 3.Rxe6 Rd7
0:01	1/5	12.61	124498		1.Qxf6 Be6 2.Rxe6 h5 3.Qe7+ Kg8
					4.Qe8+ Kh7 5.Qxf7 Rf4 6.Bxf4
0:07	1/6	20.43	610802		1.Qxf6 h5 2.Bh6 Rg4 3.fxg4 Be6
					4.Rxe6 Qxg2+ 5.Bxg2
0:12	1/7	Mate12	1202033		1.Qxf6 Be6 2.Rxe6 Qxg2+ 3.Kxg2
					Ra2+ 4.Kg1 h6 5.Bxh6 Rg5+ 6.Qxg5
					Rg2+ 7.Kxg2 fxe6 8.Qxg7+ Ke8 9.Qf8+
					Kd7 10.Bb5+ c6 11.Rd1+ Kc7 12.Qd8#
0:14	1/8	Mate12	1563220		1.Qxf6 Qxg2+ 2.Kxg2 Ra2+ 3.Kg1
					h5 4.Bh6 Re2 5.Rxe2 Be6 6.Rxe6
					Rg5+ 7.Qxg5 fxe6 8.Qxg7+ Ke8 9.Qf8+
					Kd7 10.Bb5+ c6 11.Rd1+ Kc7 12.Qd8#
0:19	1/9	Mate12	2174126		1.Qxf6 Qxg2+ 2.Kxg2 Ra2+ 3.Kg1
					h6 4.Bxh6 Re2 5.Rxe2 Be6 6.Rxe6
					Rg5+ 7.Qxg5 fxe6 8.Qxg7+ Ke8 9.Qf8+
					Kd7 10.Bb5+ c6 11.Rd1+ Kc7 12.Qd8#
0:30	1/10	Mate10	3504349		1.Qxf6 Qxg2+ 2.Bxg2 Re4 3.Rxe4
					Rd1+ 4.Bf1 Rxf1+ 5.Kg2 Bh3+ 6.Kg3
					Rg1+ 7.Kxh3 gxf6 8.Bh6+ Rg7 9.Rbe1
					Kg8 10.Re8#
0:46	2/11	Mate10	5509394		1.Qxf6 Qxg2+ 2.Bxg2 Re4 3.Rxe4
					Rd1+ 4.Bf1 Rxf1+ 5.Kg2 Bh3+ 6.Kg3
					Rg1+ 7.Kxh3 gxf6 8.Bh6+ Rg7 9.Rbe1
					Kg8 10.Re8#
1:32	3/12	Mate10	11597206	1.Qxf6 Qxg2+ 2.Bxg2 Re4 3.Rxe4
					Rd1+ 4.Bf1 Rxf1+ 5.Kg2 Bh3+ 6.Kg3
					Rg1+ 7.Kxh3 gxf6 8.Bh6+ Rg7 9.Rbe1
					Kg8 10.Re8#

jm



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