Author: Dave Gomboc
Date: 12:00:19 11/28/99
Go up one level in this thread
On November 28, 1999 at 14:05:01, leonid wrote: >Hi, > >For those who spoke about the difference between "legal", "illegal" moves based >logic. Question was: What logic will be more rapid? After my trial, legal moves >based logic do the best. Difference insignificant and is around 4%. > >What exactly was changed and where? > >1) Before only ply zero had illegal moves based logic. All other plys used legal >moves logics. > >2) Were changed three plys over ply zero to see the difference. > >3) Tryed both logics for speed 8 plys deep, brute force, same positions. No >extensions. > >4) In illegal moves based logic all old alignment procedures are the same. For >instance, procedure that put "checking moves" at the head of moves line. This >last procedure is as much big and time consuming, as the procedure that before >watched for legality of all moves in a ply. > >Leonid. I'm not sure why you would force the checking moves to be searched first. Use your standard sorting order for the moves. Searching checks first is going to be bad, compared with e.g. searching promising captures first. Dave
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.