Author: Robert Hyatt
Date: 21:25:03 01/15/06
Go up one level in this thread
On January 15, 2006 at 23:21:31, Albert Silver wrote: >>But in general, deeper search is stronger than shallower search, all else being >>equal. > >Reading this threw me off on a funny tangent, because in my mind I automatically >added "until it makes no difference", meaning that if a possible path to victory >or draw exists from a certain position, it will be found. So if a 70-ply deep >engine could find all the right moves, then a 75-ply deep engine would make no >difference. > >Anyhow, I then wondered whether the phenomenon of diminishing returns wasn't in >fact the ultimate sign that perfect chess is ultimately a draw. After all, if >chess was ultimately a big 1-0 then greater depth and precision (drawing closer >to this perfect win) should lead to more wins and losses and not less, no? > > Albert Interesting thought. Although you are thinking straight line, when it might be a curve that first flattens for a long while appearing to be settling in on a draw score, but going even deeper suddenly accelerates the curve back toward winning again... But I would not be surprised if it ended up as a dead draw with perfect play. Although when you think about the game, one simple tempi ought not be enough to win, if the world is fair. :)
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.