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Subject: Control extensions

Author: Bas Hamstra

Date: 05:14:05 09/24/99


What are good ways to control extensions? I like the idea of extending part of a
ply, but am not sure how to implement it.

Suppose you have a depth 5 to search. Then if you wanted to extend 1/2 ply then
there are now 2 available extensions. You extend here. Next ply: depth=4. How
many available extensions? At first I thought 4/2 = 2, but already used 1, so 1
left. But I think this is not quite correct to subtract "history" extensions
from the available extensions this ply. But how else???



Regards,

Bas Hamstra.






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