Author: Robert Hyatt
Date: 15:35:30 02/19/01
Go up one level in this thread
On February 19, 2001 at 14:18:15, Leen Ammeraal wrote: >On February 19, 2001 at 14:04:44, Mogens Larsen wrote: > >>On February 19, 2001 at 13:07:27, Leen Ammeraal wrote: >> >>>Does that mean that, with pondering on, my program, which currently does not >>>implement pondering, get less computer time than its opponent if the >>>latter implements pondering? >> >>Not necessarily. It's possible to switch off pondering with most programs. >> >>Mogens. > >Yes, I know. That is why I had written "with pondering on" in my >question above. If other people use my program in a match >against others, the chances are that they will play with >pondering on, with a big disadvantage for my program because >it cannot ponder. So I am afraid, I cannot afford NOT implementing >pondering, only so far I don't have a clue how to begin. >Any help would be very welcome. >Leen take the PV from the last search where you made a move. Take the second move and temporarily make it. Then search for a move for yourself. You are "assuming" that your opponent plays what you think was best, which is pretty reasonable. If a move is entered while the search is in progress and you are pondering, stop, check to see if the move matches the predicted move. If so, you can move a lot quicker since you have been thinking about the move for a long time on the opponent's clock. If the move is different, abort the search, start over using the right move.
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