Author: leonid
Date: 10:22:11 01/27/01
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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.
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