Author: Robert Hyatt
Date: 15:10:51 10/17/02
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On October 17, 2002 at 10:07:41, ujecrh wrote: >When two human players play each other, if one takes a lot of time for a move >usually the opponent also takes this in account for his next move as it is often >a sign of a critical step in the game (tactically or positionnaly). > >This is somewhat used by chess programs because they ponder but isn't this worth >implementing in a chess engine? > >We can track opponent's thinking time and, without trying to match it, add some >time or search extensions when an unusual delay has occured. > >Ujecrh Crafty used to do this. Mike Byrne wrote the code for it, in fact. It has its plusses and minuses... To move quickly just because your opponent moves quickly is dangerous in the extreme, because _his_ move might be easy to see while yours is very complex to analyze. To move slowly when your opponent moves slowly does the opposite, you may well burn time just because the opponent is in a "deep think / planning" stage, not because he is in trouble or sees a deep combination against you that you should spend time on hoping you see it...
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