config.default.yml

token: "XXXXXXXXXXXXXXX"
concurrency: 1                # Number of games to play simultaneously.
abort_time: 20                # Amount of time (in s) to abort game start after no activity.
move_overhead : 2000          # Amount of time (in ms) to subtract from each move before being given to the engine.
engine:
  path: /path/to/engine
  uci_options:                # Arbitrary UCI options passed to the engine. Can be commented out or changed.
#    Threads: 1               # Max CPU threads the engine can use.
#    Hash: 128                # Hash size (in MB).

books:
  enabled: false
  selection: weighted_random  # One from weighted_random, uniform_random, or best_move.
  depth: 10
  standard:                   # List of book file paths for variant standard. Add additional books or variants.
    - path/to/book
    - path/to/second/book
  chess960:                   # List of book file paths for variant chess960.
    - path/to/960
    - path/to/second/960
  atomic:                     # List of book file paths for variant atomic.
    - path/to/atomic

challenge:                    # Incoming challenges.
  enabled: true               # Flag for controlling if any challenges get accepted. Overrides all other flags.
  max_increment: 60           # Maximum amount of increment to accept a challenge. The max is 180. Set to 0 for no increment.
  min_increment: 0            # Minimum amount of increment to accept a challenge.
  max_initial: 3600           # Maximum amount of base time to accept a challenge. The max is 315360000 (10 years).
  min_initial: 0              # Minimum amount of base time to accept a challenge.
  variants:                   # Chess variants to accept (https://lichess.org/variant).
    - standard
#    - chess960
#    - fromPosition
#    - antichess
#    - atomic
#    - crazyhouse
#    - horde
#    - kingOfTheHill
#    - racingKings
#    - threeCheck
  time_controls:              # Time controls to accept (does not currently support correspondence).
    - bullet
    - blitz
    - rapid
    - classical
  modes:
    - casual
    - rated
  opponents:
    - human
    - bot
  max_rating_diffs:           # Maximum rating distance to opponent, useful for preventing elo manipulation.
    human: 4000
    bot: 4000

draw:                         # Whether to offer/accept draws under certain conditions.
  enabled: false
  score: 0                    # If engine score is less than or equal to this value, the bot offers/accepts draw (in cp).
  moves: 5                    # How many moves in a row the absolute value of the score has to be below the draw value.
  min_game_length: 35         # Only offer/accept a draw if the number of full moves on board is fewer than this value.

resign:
  enabled: false
  score: -1000                # If engine score is less than or equal to this value, the bot resigns (in cp).
  moves: 5                    # How many moves in a row the value of the score has to be below the resignation value.

matchmaking:
  enabled: true
  variant: standard
  initial_times:              # Initial time for matchmaking mode to be selected at random.
    - 60
    - 120
#    - 300
#    - 420
#    - 600
#    - 900
#    - 1800
#    - 2400
  increments:                 # Increment time for matchmaking mode to be selected at random.
    - 0
    - 1
  max_rating_diff: 4000       # Maximum rating distance to opponent.
  min_games: 250              # Minimum games opponent must have played.
  timeout: 5                  # Timeout (in minutes) between nothing happening and issuing a challenge.
  rated: false                # Whether to challenge rated or casual.