Author: Dan Homan
Date: 13:38:15 10/06/98
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On October 06, 1998 at 07:57:51, Jari Huikari wrote: >On October 05, 1998 at 12:05:39, Jari Huikari wrote: > >>On October 04, 1998 at 05:27:00, Alessio Iacovoni wrote: > >>>Why don't chess programs automatically implement a random chess feature changing >>>(by some say .05) the evaluation algorithms? > >(I think some other programs are also having this. Are they?) > >I created a new command 'VARY' to Nero 4. It can be switched off and on. >When ON, Nero makes by change one of the best moves. Possible moves to >be made are those which have at least the value Bestscore-0.2*pawns... >When OFF, the best move (according to Nero!) is always made. > >I don't know how "make 2nd best" is done in other programs, or "random" e.g. >in Genius 2, where I have seen that option. Perhaps someone could tell me. > >Download address of my program is http://www.math.jyu.fi/~huikari/NERO4.ZIP > > Jari To find the second best move... first find the first best move, eliminate it from the list of possibilities then search again to find the next best move. I don't know how Genius does a 'random' feature... but one idea is to have your program add some small random number to your evaluation of each position at the leaves of the search tree. - Dan
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