Author: Lyn Harper
Date: 22:59:59 04/06/02
Go up one level in this thread
On April 06, 2002 at 22:42:32, Steven J. Brann wrote: >On April 06, 2002 at 21:15:58, Lyn Harper wrote: > >>On April 06, 2002 at 14:35:28, John Merlino wrote: >> >>>On April 06, 2002 at 13:24:53, Art Basham wrote: >>> >>>>Neat problem... >>>>for humans and computers...! >>>> >>>>[D]8/p7/R7/NkN5/3p1p2/P2P1Pp1/6K1/8 w - - >>>> >>>>1. Nc4...! etc. >>> >>>26 seconds for Chessmaster 8000 on a PIII-733: >>> >>>Time Depth Score Positions Moves >>>0:00 1/3 9.84 494 1.Rf6 Kxc5 2.Rf5+ Kd6 3.Nc4+ Ke6 >>> 4.Rxf4 >>>0:00 2/4 10.05 1653 1.Rf6 Kxa5 2.Rxf4 Kb5 3.Ne6 >>>0:00 3/5 10.15 6968 1.Rf6 Kxa5 2.Nb7+ Ka4 3.Rxf4 Kxa3 >>> 4.Kxg3 >>>0:00 3/5 11.35 10104 1.Nc4 Kxc5 2.Ra5+ Kc6 3.Rf5 a6 >>> >> >> >> >> >> >> 4.Rxf4 Kd5 5.Kxg3 >> >>>0:00 4/6 11.35 33421 1.Nc4 Kxc5 2.Ra5+ Kc6 3.Rf5 a6 >>> 4.Rxf4 Kd5 5.Kxg3 >>>0:01 5/7 12.36 121607 1.Nc4 Kxc5 2.Ra5+ Kc6 3.Rxa7 Kd5 >>> 4.Rf7 Kc6 5.Rxf4 Kd5 6.Kxg3 >>>0:03 6/8 12.43 431937 1.Nc4 Kxc5 2.Ra5+ Kc6 3.Rxa7 Kc5 >>> 4.Ra5+ Kc6 5.Rf5 Kd7 6.Rxf4 Ke6 >>> 7.Kxg3 Kd5 >>>0:09 7/9 13.45 1447426 1.Nc4 Kxc5 2.Ra5+ Kc6 3.Rxa7 Kc5 >>> 4.Ra5+ Kc6 5.Ra6+ Kd7 6.Rd6+ Ke7 >>> 7.Rxd4 Kf6 8.Rxf4+ Ke6 9.Kxg3 Kd5 >>> 10.a4 >>>0:26 8/10 Mate08 4359746 1.Nc4 Kxc5 2.Nd6 Kd5 3.Ne4 Ke5 >>> 4.Nf6 Kf5 5.Ng4 Kg5 6.Nh6 Kh4 7.Nf7 >>> Kh5 8.Rh6# >>>0:39 9/11 Mate08 6508221 1.Nc4 Kxc5 2.Nd6 Kd5 3.Ne4 Ke5 >>> 4.Nf6 Kf5 5.Ng4 Kg5 6.Nh6 Kh4 7.Nf7 >>> Kh5 8.Rh6# >>> >>>jm >> Did I get diddled when I bought my computer? It takes CM8K 28secs to solve >> this on a 1.3Ghz P4. Or am I setting the thing up wrong to solve the mate? >> Incidentally, the default CM personality is fastest, it seems, when it >>comes to mate solving. I tried a couple of custom personalities, and they >>were slower. > > >Times will vary with settings and hash table size. On my 1.9G P4 I get: > >19 seconds for the default Chessmaster personality >13 seconds for CM128 (the Chessmaster settings except for 128 Meg hash) >1:03 for my custom personality that includes 128 Meg of hash and selective >search = 12 > >My custom personality will generally out-perform CM128 on mate searches, but not >on this one. > >I just turn it loose in the game window; not the solve for mate mode. > >As far as getting diddled when you bought your computer, it is difficult to make >an assessment since I wasn't there to watch. > >Steve When it comes to PC's, I think we're all being taken for a ride. I've never seen such planned obsolescence in all my born days. :-D Thanks for the help, guys.
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