Author: Roland Pfister
Date: 07:38:32 05/11/98
Go up one level in this thread
On May 10, 1998 at 23:54:16, Stuart Cracraft wrote: > >On May 10, 1998 at 22:58:55, Robert Hyatt wrote: > >>However, without a book, most anything can happen, given the right >>time control and opponent. But, in general, it shouldn't play like >>that... and it certainly knows that those queen moves are all bad... > >I am curious how most people are preventing the queen from moving >out? Rewarding it to stay on its original square or penalizing it if >found on other than its original square? How about penalizing it >an amount that is linearly increased by the number of moves its >made so far when other pieces still remain to be developed? > >What is the best way to prevent her royal highness from wandering? > >(I use the last method but sometimes end up with very high penalties >on the queen after a series of moves that won some material or induced >a very bad positional problem for the computer's opponent.) > >--Stuart I got 2 tips from fellow programmers at CC events: 1. penalize the queen if it is on file a, b, g or h during development. I use that. 2. penalize queen for distance to its minor pieces (bishops and knights). I have not tried that yet. The idea is: if a queen is supported by one minor piece it can be very dangerous (for the opponent). If she is alone there are only shallow threats. Roland
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.