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Subject: Re: If you like to solve a mate...

Author: John Merlino

Date: 11:12:48 02/01/01

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On February 01, 2001 at 09:32:24, leonid wrote:

>Hi!
>
>If you like to solve one forced mate, here you are.
>
>[D]1NrkrN2/RRbbqRR1/qBnqrnq1/nn2nBn1/1NQNQN2/3Q4/3Q4/3K4 w - -
>
>Please indicate your result.
>
>If you have forced mate from internation game (human player) please write the
>position.
>
>It must be true pleasure to see your program to go into fight simulator and come
>back alive. But all the time you must still keep watchful eye on how it  do
>against weak human. This is why I consider forced mate from international games
>be very useful. Program must play those positions even when final prophesy was
>completely fulfilled. Your program became perfect machine to overkill.
>
>Thanks,
>Leonid.

It took a while, but here's CM8000's results on a PIII-600:

Time	Depth	Score	Positions	Moves
0:00	1/3	14.26	37662		1. Ndxe6+ Nxe6 2. N8xc6+ Naxc6
					3. N8xe6+ Bxe6 4. Nxe6+ Qxe6 5.
					Qxe6 Rxe6 6. Rxa6
0:01	1/3	18.82	57848		1. Nf4xe6+ Nxe6 2. N8xc6+ Naxc6
					3. Nfxe6+ Qexe6 4. Nxe6+ Rxe6 5.
					Rxg6
0:04	1/4	18.02	202197		1. Nf4xe6+ Nxe6 2. Nfxe6+ Qexe6
					3. Nxe6+ Rxe6 4. Rf8+ Qe8 5. Rxe8+
					Kxe8 6. Qxd6 Naxc4 7. Qxe6+ Bxe6
					8. Rxa6
1:50	2/5	18.65	6321686		1. Nf4xe6+ Nxe6 2. Nfxe6+ Qexe6
					3. Nxe6+ Rxe6 4. Bxg6 Nxb8 5. Nxa6
					Naxc4 6. Nxc7
3:40	2/5	19.05	12138519	1. Nb4xc6+ Naxc6 2. Nbxc6+ Nxc6
					3. Nf4xe6+ Nxe6 4. Nfxe6+ Qexe6
					5. Bxc7+ Rxc7 6. Nxe6+ Rxe6 7.
					Rxa6 Nxe4 8. Qxd6 Rxd6 9. Rxg6
5:13	2/5	20.39	17141834	1. N8xe6+ Nxe6 2. Ndxc6+ Naxc6
					3. Qxd6 Nc3+ 4. Kc1 Na2+ 5. Qcxa2
					Qf1+ 6. Kb2 Nc4+ 7. Qaxc4 Qxd6
					8. Qxd6
10:50	2/6	Mate09	38303376	1. N8xe6+ Nxe6 2. Nfxe6+ Qexe6
					3. Rxd7+ Nfxd7 4. Ndxc6+ Nexc6
					5. N8xc6+ Nxc6 6. Nxc6+ Qxc6 7.
					Rxd7+ Qexd7 8. Qxd7+ Qxd7 9. Qxd7#
12:39	3/7	Mate09	44791795	1. N8xe6+ Nxe6 2. Nfxe6+ Qexe6
					3. Rxd7+ Nfxd7 4. Ndxc6+ Nexc6
					5. N8xc6+ Nxc6 6. Nxc6+ Qxc6 7.
					Rxd7+ Qexd7 8. Qxd7+ Qxd7 9. Qxd7#

jm



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