Author: Bo Persson
Date: 10:28:48 08/21/01
Go up one level in this thread
On August 18, 2001 at 18:21:51, Sune Fischer wrote: >On August 15, 2001 at 05:47:31, José de Jesús García Ruvalcaba wrote: > >>Hi Bruce! >>I found your computer-chess pages extremely interesting. I recommend them to the >>whole community, and I hope you have time to add a few things every now and >>then. I will send you more comments by e-mail. >>José. > >Yeah Bruce, U DA MAN! ;) > >I now have the alpha-beta search running all thanks to you, however I have >noticed that it no longer can see mates. I find mates by evaluating to a huge >value, could it be that this value is not seen in the AB algorithm, that it is >somehow pruned away? > >I can't rule out that I may have a bug, but it does the exact same moves as the >old minimax, except when getting mated, doesn't look like it can see that. > >I would like some input on this before I go hunting bugs ;) There are several ways to foul this up (too). A mate could be worth +LargeValue or -LargeValue depending on side to move. It also depends on if you score a mate when there are no moves found to get out of check, or wait until the other side captures the king. >Cheers, >Sune Bo Persson bop2@telia.com
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.