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Subject: Re: Forced mate so solve...

Author: Hermano Ecuadoriano

Date: 10:45:13 02/05/01

Go up one level in this thread


On February 05, 2001 at 08:07:35, Christophe Theron wrote:

>On February 05, 2001 at 07:23:58, leonid wrote:
>
>>Hi!
>>
>>If you like to solve forced mate position full of "depleted uranium"...
>>
>>[D]NKBN4/QRQ3rR/2Qb2r1/N1b1nb2/B2nbbbB/1RNqqqq1/8/2N2k2 b - -
>>
>>Please, indicate your result.
>>
>>Thanks,
>>Leonid.
>
>
>Chess Tiger 14 (experimental version) finds:
>* a mate in 11 in 6.21s (Bxa7+...)
>* a mate in 9 in 15.27s (still Bxa7+...)
>on a K6-2 450 with 6Mb hash tables.

It is hard to resist posting that Tiger 13 found mate in 8.

Tiger 13 PII-300 48M hash
snipped from the Statistics window:

00:00:00.3	37.60	6	42729	Bxa7+ Rxa7 Nexc6+ Ndxc6 Bxc7+ Nxc7 Nxc6+ Bxc6 Bxc7+ Ka8
Bxc6+ Nxc6 Qxc6+
00:00:01.7	35.98	6	105627	Bxa7+ Rxa7 Nexc6+ Ndxc6 Bxc7+ Nxc7 Nxc6+ Bxc6 Bxc7+
Ka8 Bxc6+ Nxc6 Qxc6+ Rbb7
00:00:02.5	35.98	7	211978	Bxa7+ Rxa7 Nexc6+ Ndxc6 Bxc7+ Nxc7 Nxc6+ Bxc6 Bxc7+
Ka8 Bxc6+
00:00:03.5	36.88	8	339300	Bxa7+
00:00:09.8	 Mate in 9	8	1020636	Bxa7+ Rxa7 Nexc6+ Ndxc6 Bxc7+ Nxc7 Nxc6+ Bxc6
Bxc7+ Ka8 Bxc6+ Nb7 Bxb7+ Bxb7
00:00:21.1	 Mate in 8	9	2221209	Bxa7+ Rxa7 Nexc6+ Ndxc6 Bxc7+ Nxc7 Nxc6+ Bxc6
Bxc7+ Ka8 Bxc6+ Nb7 Bxb7+ Bxb7
00:00:47.9	 Mate in 8	10	4865000	Bxa7+ Rxa7 Nexc6+ Ndxc6 Bxc7+ Nxc7 Nxc6+ Bxc6
Bxc7+ Ka8 Bxc6+ Nb7 Bxb7+ Bxb7


>
>
>    Christophe



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