Author: Eduard Nemeth
Date: 14:17:16 02/23/06
Go up one level in this thread
On February 23, 2006 at 15:26:05, Dann Corbit wrote: >On February 23, 2006 at 01:53:58, Gabor Szots wrote: > >>I am just curious whether it is so extremely hard to implement underpromotions >>in a program. Vasik Propaganda Rajlich put up a poll at his site, allegedly in >>order to "Help us make the products that you want". The people here _want >>underpromotions_ but, although promised several times, Rybka is still incapable >>of it. Now is it really important for him what the masses want but the task is >>simply too hard? > >It's not hard, but it has a cost. > >If you compute underpromotions, it will make your search and move generator >slower, since they will have to do more work. > >So, if you implement it, it will take some effort to make your chess program >keep its efficiency. Since underpromotions are rare in real games, the chances >are very good you will make your program a little bit weaker so that it can >solve some rarely occurring positions. An serious Chess Player should have in his engine underpromotion for his analyses, Point! All TOP programs have it implement.
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