Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: If you like to solve real mate... Correction!

Author: leonid

Date: 10:22:11 01/27/01

Go up one level in this thread


On January 27, 2001 at 13:14:59, Heiner Marxen wrote:

>On January 27, 2001 at 12:39:36, Paul wrote:
>
>>On January 27, 2001 at 11:35:13, leonid wrote:
>>
>>>
>>>>[D]qn1kbrqn/n1nqn1bp/bN1N1N1N/B1N1Nn1B/N1N1N1N1/8/1R1Q1R2/3K4 w - -
>>>>
>>>>Mate existe for sure in 12 moves. (Before I wrote 11.) Response was found by selective search and minimal number of moves is unknown.
>>>
>>>>Leonid.
>>
>>Wot ...? No Kangaroos? ;)
>
>Pleazzee, no Kangaroos, Chest caaant do themm!  ;-)
>
>>Ok, couldn't resist ... how about this:
>>
>>WM8 1. Nxa8 Ne3+ 2. Kc1 Qxc4+ 3. Ndxc4 N7d5 4. Bxc7+ Qxc7 5. Qxd5+ Nxd5 6. Ne6+
>>Ke7 7. Nxd5+ Kxe6 8. Naxc7x
>>
>>Groetjes,
>>Paul
>
>You can try 4.Nxc7, that should be 1 move less deep.
>
>According to Chest this is a mate in 7 and has 2 key moves: Nxa8 and Nbxd7:
>
> Nxa8  Ne3+ Kc1  N7d5 Ndb7+ Bxb7 Nxb7+ Ke7  Nhxg8+ Rxg8 Nxg8+ Ke6 Nec5#
> Nbxd7 Nb5  Nxf8 Nc3+ Kc1   Bd7  Nhf7+ Qxf7 Nexf7+ Nxf7 Nxf7+ Kc8 Ncb6#
>
>Although there are 7 different checking moves, the key moves are to
>capture a queen, and allow black to check white.  Funny.
>
>(15.2 minutes K7/600 60MB hash)
>
>Heiner

Thanks, Heiner! Now I know exactly shortest mate and in much shorter time that I
really expected.

Leonid.



This page took 0.01 seconds to execute

Last modified: Thu, 07 Jul 11 08:48:38 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.