Author: Tord Romstad
Date: 08:13:55 07/22/04
Go up one level in this thread
On July 22, 2004 at 10:39:41, Robert Hyatt wrote: >I'll ask again. _how_ can you use the transposition table to order moves at the >root position? That is a single position. How many "best" moves can you store >in a single transposition position and how do you sort them to figure out which >is best, second best, third best, etc... For the first move, I use the transposition table (of course). For the remaining root moves, I use exactly the same techniques as in internal nodes (captures ordered by SEE values, history heuristic, and so on). I am sure it is not optimal, but I also doubt that I would notice any big improvement if I changed this. >You don't have to have a separate search for ply=1 if you don't want to, while >still treating ply 1 differently as I do... Yes, as mentioned elsewhere in the thread, I could also add lots of if(Ply==0) ... statements to my search function. Because my code is already unacceptably complicated and messy, I don't want to do this. My new program is a different story, I will probably try ordering the moves differently at the root there. Tord
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