Author: Stefan Meyer-Kahlen
Date: 14:12:42 02/16/99
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On February 16, 1999 at 10:16:57, Harald Faber wrote: >On February 16, 1999 at 09:11:09, Laurence Chen wrote: > >>Try this mate in 30. It's from the Millenium website under Shredder homepage. >>It's said that Shredder can find mate in 30 in fraction of seconds which I find >>hard to believe because none of my engines Fritz 5.32, Junior 5, CM 6000 are >>able to find the mate in 30, even Crafty 16.4. Although Crafty display an odd PV >>when analysing this position. Perhaps I should allow my engines run longer than >>15 minutes for this problem. >>5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - - 0 1 > >Do you expet the mate announcement? Zarkov finds Neg4+ very fast with a clear >positive score but no mate announcement within 5min on P2-350. This is a very easy position for a computer. Every move is check and black always has exactly one move left. If you set Shredder to selectivity > 60 it will find the mate on ply 3 after 0.06 seconds with the right score (+M30). Stefan
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