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Subject: Re: mate in 11 test position

Author: Ignacio Santos Crespo

Date: 04:33:45 04/19/02

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On April 18, 2002 at 23:20:40, K. Burcham wrote:

>
>Mate in 11.
>composed by John Kaan
> [D] rn1b2rk/1pp3p1/qp1p2R1/5Q2/3RN2P/1PP5/3PbP2/4K3 w - - 0 1
>very difficult for some programs.
>kburcham

CM8000 ss=12 on Athlon 1200    23 seconds

Time	Depth	Score	Positions	Moves
0:00	1/5	0.00	116295		1. Rdxd6 cxd6 2. Nxd6 Re8 3. Nf7+
					Kg8 4. Nh6+ Kh8 5. Nf7+
0:02	1/6	6.98	339567		1. Rdxd6 cxd6 2. Nxd6 Re8 3. Nxe8
					Nd7 4. Qxd7 Qa1+ 5. Kxe2 Bf6 6.
					Nxf6 Qa6+ 7. c4
0:09	1/7	16.96	1519936		1. Rdxd6 cxd6 2. Nxd6 Re8 3. Nxe8
					Nd7 4. Rxg7 Qa1+ 5. Kxe2 Qf1+ 6.
					Kxf1 Ra1+ 7. Ke2 Re1+ 8. Kxe1 Nf6
					9. Rxb7
0:23	1/8	Mate11	4077834		1. Rdxd6 cxd6 2. Nxd6 Re8 3. Nxe8
					Nd7 4. Rxg7 Qa1+ 5. Kxe2 Qf1+ 6.
					Kxf1 Ra1+ 7. Ke2 Re1+ 8. Kxe1 Nf6
					9. Qg6 Be7 10. Rh7+ Nxh7 11. Qg7#
0:35	1/9	Mate11	6809341		1. Rdxd6 cxd6 2. Nxd6 Re8 3. Nxe8
					Nd7 4. Rxg7 Qa1+ 5. Kxe2 Qf1+ 6.
					Kxf1 Ra1+ 7. Ke2 Re1+ 8. Kxe1 Nf6
					9. Qg6 Be7 10. Rh7+ Nxh7 11. Qg7#
1:16	1/10	Mate11	12865191	1. Rdxd6 cxd6 2. Nxd6 Re8 3. Nxe8
					Nd7 4. Rxg7 Qa1+ 5. Kxe2 Qf1+ 6.
					Kxf1 Ra1+ 7. Ke2 Re1+ 8. Kxe1 Nf6
					9. Qg6 Be7 10. Rh7+ Nxh7 11. Qg7#

• Re: mate in 11 test position Ignacio Santos Crespo 04:36:17 04/19/02
  • Re: mate in 11 test position: CM8000 stunningly fast on this! Roy Eassa 07:49:07 04/19/02
    • Re: mate in 11 test position: CM8000 stunningly fast on this! John Merlino 10:49:34 04/19/02
      • Re: mate in 11 test position: CM8000 stunningly fast on this! Roy Eassa 10:53:03 04/19/02
        • Re: mate in 11 test position: CM8000 stunningly fast on this! John Merlino 11:03:34 04/19/02
          • CMLite finds mate in 25 sec on a 400Mhz Celeron... Dan Ellwein 16:38:29 04/19/02

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