Author: Mike Byrne
Date: 17:07:23 05/15/03
Go up one level in this thread
On May 15, 2003 at 19:55:53, John Merlino wrote: >On May 15, 2003 at 19:44:07, Mike Byrne wrote: > >>> >>>[d]8/8/8/4np1K/1NN2k2/1R6/1P5P/3n4 w - - 0 1 >>> >>>Ipaq running Chess Genius is faster than many programs running on a dual 1.7 Ghz >>>....amazingly... >>> >>>try it yourself... >> >>Tiger is one of the strongest if not, the strongest programs around -- it amazes >>me it takes 4:43 on o 1.7 Ghz. >> >>Many other program are as long or longer -- position must be very tricky for >>programs... > >CM9000, default personality, on a P3-733, needs 0:37 to find the mate in FOUR >after forcing 1.Nc4 Nd7: > >Time Depth Score Positions Moves >0:00 1/3 14.54 3764 2.Nd3+ Ke4 3.Nd6+ Kf3 4.Rxf5+ Ke2 > 5.Nc4 >0:00 1/3 20.05 18976 2.Nd2 Nc5 3.Rxc5 Nc3 4.Rbxc3 >0:00 1/4 20.21 33253 2.Nd2 Nc5 3.Rxc5 Nc3 4.Rcxc3 Ke5 > 5.Nd3+ Kf6 6.Nf4 >0:01 1/5 20.32 124987 2.Nd2 Nc5 3.Rxc5 Nc3 4.Rcxc3 Ke5 > 5.Re3+ Kd6 6.Rbd3+ Kc7 7.Re7+ Kb6 >0:02 1/6 21.21 318729 2.Nd2 Nc5 3.Rxc5 Nc3 4.Rcxc3 Ke5 > 5.Rc5+ Kf6 6.Rf3 Ke6 7.Rcxf5 >0:05 1/7 Mate08 741567 2.Nd2 Nf6+ 3.Kh4 Nc3 4.Rxc3 Nd5 > 5.Nxd5+ Ke5 6.Nc4+ Ke6 7.Re3+ Kd7 > 8.Re7+ Kd8 9.Ra8# >0:08 1/7 Mate05 1150075 2.Rg3 Nxb2 3.Nd6 Nf6+ 4.Kg6 Nd5 > 5.Rxd5 Nc4 6.Rxf5# >0:08 2/8 Mate05 1170108 2.Rg3 Nxb2 3.Nd6 Nf6+ 4.Kg6 Nd5 > 5.Rxd5 Nc4 6.Rxf5# >0:10 3/9 Mate05 1492154 2.Rg3 Nxb2 3.Nd6 Nf6+ 4.Kg6 Nd5 > 5.Rxd5 Nc4 6.Rxf5# >0:15 4/10 Mate05 2410371 2.Rg3 Nxb2 3.Nd6 Nf6+ 4.Kg6 Nd5 > 5.Rxd5 Nc4 6.Rxf5# >0:26 5/11 Mate05 4505529 2.Rg3 Nf6+ 3.Kg6 Nd5 4.Rxd5 Ke4 > 5.Nd6+ Kf4 6.Rxf5# >0:37 5/11 Mate04 6152533 2.Re5 Nf6+ 3.Kh4 Nxb2 4.Rbe3 Nxc4 > 5.Nd3# >0:37 6/12 Mate04 6218332 2.Re5 Nf6+ 3.Kh4 Nxb2 4.Rbe3 Nxc4 > 5.Nd3# >0:38 7/13 Mate04 6254153 2.Re5 Nf6+ 3.Kh4 Nxb2 4.Rbe3 Nxc4 > 5.Nd3# > >However, from the initial position, The King cannot find the mate in 5 in under >10 minutes. Fascinating position.... > >jm try Re3 followed by Nxe3 from the start in the diagram...
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