Author: Will Singleton
Date: 09:07:39 11/23/05
Go up one level in this thread
On November 23, 2005 at 09:37:30, Charles Roberson wrote: > > I've experimented with both methods. My results for method 2 were identical > to yours and were caused by an horizon effect. Simply put: the draw wasn't seen >because the second repeat was delayed beyond the horizon by a series of moves. >This is the same problem as not seeing a mate due to a long series of delaying >moves/sacrifices. Of course, various types of extensions reduce the >probabilities of mate delays being an issue but think of it without the >extensions. > > However, there is a third option which is used by some of the others. The >idea is to have a no progress penalty. So use method two, but when you see the >first rep assign a no progress penalty. This may help. I had a conversation with >Tony Werten (Xinix) about this, I believe he uses it. > > Charles I don't know if assigning a penalty for a first rep will work, it might have unintended effects. I do have a no-progress penalty, but it's just for the case when the king is getting pushed all over the board without repetitions. Will
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.