Author: Andrew Williams
Date: 04:40:18 01/24/02
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On January 24, 2002 at 04:47:30, guy haworth wrote: >Would welcome sources of information on how chess-engines budget their time. > Mine allocates approximately 1/30th of the remaining time to the current move. If there are fewer pieces on the board, it allocates about 1/24th of the remaining time. Depending on the size of the increment, it increases the portion allocated to the current move. >Are the heuristics out there more 'conservative' than human players? What >criteria are used for departing from some norm-budget/move, assuming there is >one? > Mine extends the amount of time a little for the first few moves out of the opening book. It will also increase the allocation for the current move by up to 400% for cases where the score starts to fall from one iteration to the next. If the program is far ahead in scores, it is a bit less aggressive about extending the allocation. >Do chess engines modify their: > > a) opening books, > b) search and/or evaluation methods > >according to the time regime for the game? > >Are chess-engines able to handle the increasing variety of time-regimes being >defined now? What time-regimes are there and is there an established notation >for defining them? > Mine plays all its games in xboard, either in test matches at home or on ICC. It plays G/something, possibly with an increment added each move. It is programmed to play x moves in y minutes with an increment of z, but it has never done so. >Thanks in advance for contributions. > >G Andrew Williams
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