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- # Arasan runtime configuration file
- #
- # True to keep a log file, false for no logging.
- log.enabled=true
- #
- # Location of the log file. The default is "arasan.log", kept in the
- # same directory as the Arasan executable. Note: under Linux, the
- # directory must have write permission.
- #log.pathname=
- #
- # True to store all games played to a file (in PGN format).
- store_games=true
- #
- # If set, game_pathname is the full path to the file in which games
- # are stored. If not set, games are stored to "games.pgn" in the
- # same directory where arasanx is located. Note: under Linux, the
- # directory must have write permission.
- #game_pathname=
- #
- # Book moves must occur with a minimum frequency to be used, unless
- # they are part of a "basic" book. Set the frequency value here.
- book.minFrequency=5
- #
- # Book selectivity. 0 means any eligible move can be selected (will
- # still eliminate moves with no wins or draws, and very infrequent
- # moves). 100 means select only the best move.
- book.selectivity=50
- #
- # Book random option. Values:
- # 0 = Arasan will use frequency and win/loss information when
- # selecting a book move.
- # 1 = Arasan will select randomly among available moves, ignoring
- # the selectivity and minFrequency settings. But: moves with zero
- # weight or that only lead to losses will still not be played.
- # 2 = Arasan will select randomly among available book moves,
- # including even those with zero weight or only losing games.
- book.random=0
- #
- # Learning
- #
- # true to enable book learning based on score out of book, false to disable
- learning.score_learning=true
- #
- # Number of moves out of book at which learning occurs:
- learning.score_learning.horizon=5
- #
- # Score threshold at which learning occurs (in units of 1 Pawn=100)
- learning.score_learning.threshold=33
- #
- # Minimum search depth for score learning
- learning.score_learning.minDepth=7
- #
- # True to enable use of book learning info based on game results
- learning.result_learning=true
- #
- # True to enable storage & use of position values, false to disable
- learning.position_learning=true
- #
- # Position learning threshold (in units of 1 Pawn=100)
- learning.position_learning.threshold=50
- #
- # Minimum depth for position learning
- learning.position_learning.minDepth=7
- #
- # Search parameters
- #
- # Killer moves to store/use (default=2, valid values=0, 1, 2)
- # This is an advanced option; changing it is not recommended.
- search.num_killers=2
- #
- # Null move depth reduction (default=2)
- # This is an advanced option; changing it is not recommended.
- search.null_depth_reduction=2
- #
- # True to enable recapture extensions, false to disable
- # This is an advanced option; changing it is not recommended.
- search.extensions.recapture=true
- #
- # True to enable capture extensions, false to disable
- # This is an advanced option; changing it is not recommended.
- search.extensions.capture=true
- #
- # True to enable forced reply extensions, false to disable
- # This is an advanced option; changing it is not recommended.
- search.extensions.forced=true
- #
- # True to enable check extensions, false to disable
- # This is an advanced option; changing it is not recommended.
- search.extensions.check=true
- #
- # True to enable pawn push extensions, false to disable
- # This is an advanced option; changing it is not recommended.
- search.extensions.pawn=true
- #
- # True to enable extensions if threat detected after a null move, false to disable
- # This is an advanced option; changing it is not recommended.
- search.extensions.threat=true
- #
- # True to use the history heuristic for move ordering, false to disable
- # This is an advanced option; changing it is not recommended.
- search.use_history=true
- #
- # True to allow computer to resign, false if you want it to never resign
- search.can_resign=true
- #
- # Resignation threshold (units of 1 pawn=100).
- search.resign_threshold=-500
- #
- # Hash table size in kilobytes (can be overridden with -H)
- search.hash_table_size=8000
- #
- # Tablebase cache size in kilobytes.
- search.tb_cache_size=2048
- #
- # True to enable use of tablebases, false to disable
- search.use_tablebases=true
- #
- # Tablebase location. By default, this option is not set and
- # the tablebases are assumed to be in a "TB" directory under the
- # directory where Arasan is installed
- # search.tablebase_location=
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