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Subject: Move ordering

Author: Cesar Contreras

Date: 17:01:29 08/05/04


I'm trying to improve my move ordering, with a little success, principal due to
correct my understanding and implementation MVA\LVV. I had not sucess with SEE.
Anyway, i think my tree it's still too big.

I need to know if i can do any more about it.

currently i do:

1.- Moves on transposition, ordered by evaluation (some one suggested me order
by node count, why do you think?)
2.- Killer moves.
3.- History heuristics.
4.- All promotion moves.
5.- All capture moves.
6.- All remaining non-capture-non-promotion moves.

What i see on this list it's that the last "non-capture-non promotion moves",
comes last, but i think it's to frecuently that the best move it's not a capture
or promotion move.

I'm thinking of make some Mix, first try the best promotion move, then the best
capture move, and then the best non-capture-non-promotion move, then the next
best promotion move, and so on.

What do you think about it?





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