Author: Tom Likens
Date: 19:23:53 04/21/04
Go up one level in this thread
On April 21, 2004 at 15:46:54, Tord Romstad wrote: >On April 21, 2004 at 14:22:52, Rob Basham wrote: > >>[D]7k/2p3p1/4Q2p/p3n3/2pBP2P/2P3P1/1r2q3/5RK1 w - - 0 1 >> >>Junior 5...... ann. mate in 15 in about 20 sec. >> >>(850Mhz.....testing out a used laptop from eBay...:-) >> >>Lamb Chop ann. mate in 500 at 28 sec....!..:-) > >Gothmog announces mate in at most 41 moves after 0.73 seconds, and mate in >15 moves after 1.06 seconds (both at ply 7). > > 7 >= #41 0.73 110603 Rf8+ Kh7 Qg8+ Kg6 Rf6+ Kxf6 Qf8+ Ke6 Qe8+ > Kd6 Bxe5+ Kc5 Bd4+ Kd6 Qd8+ Ke6 Qd5+ Ke7 > Bc5+ Ke8 Qe6+ Kd8 Be7+ Ke8 Bf6+ > 7 #15 1.06 172533 Rf8+ Kh7 Qg8+ Kg6 Rf6+ Kxf6 Qf8+ Ke6 Qe8+ > Kd6 Bxe5+ Kc5 Bd4+ Kd6 Qd8+ Ke6 Qd5+ Ke7 > Bc5+ Ke8 Qe6+ Kd8 Be7+ Ke8 Bf6+ Kf8 Qe7+ > Kg8 Qxg7# > >Tord > Hey Tord, I've been curious about this in the past. When Gothmog announces a mate in at most 41, does it actually see the mate (20+ moves!!). And if not, what is it using to bound the mate? --tom
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