Author: Matthias Gemuh
Date: 16:32:58 05/05/05
Go up one level in this thread
On May 05, 2005 at 17:29:31, Dan Honeycutt wrote: >On May 05, 2005 at 16:22:27, Kevin K wrote: > >>Do you return 0 or alpha when time is up during search? >>If 0 must be returned, why? >>If alpha must be returned, why? >> >>Thanks. > >If you abort the search due to time elapsing I recommend you set a flag. The >score you return doesn't matter (you don't have a score till you back up to the >root). Your search should check that flag before checking to see if the score >returned is above alpha/beta. If the flag is set then it returns immediately, >etc. till you spool back to the root. The move, score, and PV are all the best >you got before the abort. > >Regards >Dan H. OK. So with flag set at right position, return value can be anything as it must be ignored at root, if invalid. Matthias.
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.