config.yml

token: "HdTm5Jeo04juXbFx"    # Lichess OAuth2 Token.
url: "https://lichess.org/"  # Lichess base URL.

engine:                      # Engine settings.
  dir: "./engines/"          # Directory containing engines, relative to this project.
  name: "engine_name"        # Binary name of the engine to use.
  protocol: "homemade"       # "uci" or "xboard"
  ponder: true               # Think on opponent's time.
  polyglot:
    enabled: false           # Activate polyglot book.
    book:
      standard:              # List of book file paths for variant standard.
        - engines/book1.bin
        - engines/book2.bin
#     atomic:                # List of book file paths for variant atomic.
#       - engines/atomicbook1.bin
#       - engines/atomicbook2.bin
#     etc.
#     Use the same pattern for 'giveaway' (antichess), 'crazyhouse', 'horde', 'kingofthehill', 'racingkings' and '3check' as well.
    min_weight: 1            # Does not select moves with weight below min_weight (min 0, max: 65535).
    selection: "weighted_random" # Move selection is one of "weighted_random", "uniform_random" or "best_move" (but not below the min_weight in the 2nd and 3rd case).
    max_depth: 8             # Half move max depth.
# engine_options:            # Any custom command line params to pass to the engine.
#   cpuct: 3.1
  uci_options:               # Arbitrary UCI options passed to the engine.
    Move Overhead: 100       # Increase if your bot flags games too often.
    Threads: 2               # Max CPU threads the engine can use.
    Hash: 256                # Max memory (in megabytes) the engine can allocate.
#   go_commands:             # Additional options to pass to the UCI go command.
#     nodes: 1               # Search so many nodes only.
#     depth: 5               # Search depth ply only.
#     movetime: 1000         # Integer. Search exactly movetime milliseconds.
# xboard_options:            # Arbitrary XBoard options passed to the engine.
#   cores: "4"
#   memory: "4096"
#   egtpath:                 # Directory containing egtb (endgame tablabases), relative to this project. For 'xboard' engines.
#     gaviota: "Gaviota path"
#     nalimov: "Nalimov Path"
#     scorpio: "Scorpio Path"
#     syzygy: "Syzygy Path"
#   go_commands:             # Additional options to pass to the XBoard go command.
#     depth: 5               # Search depth ply only.
#     Do note that the go commands 'movetime' and 'nodes' are invalid and may cause bad time management for XBoard engines.
  silence_stderr: false      # Some engines (yes you, Leela) are very noisy.

abort_time: 20               # Time to abort a game in seconds when there is no activity.
fake_think_time: false       # Artificially slow down the bot to pretend like it's thinking.
rate_limiting_delay: 0       # Time (in ms) to delay after sending a move to prevent "Too Many Requests" errors.
move_overhead: 2000          # Increase if your bot flags games too often.

correspondence:
    move_time: 60            # Time in seconds to search in correspondence games.
    checkin_period: 600      # How often to check for opponent moves in correspondence games after disconnecting.
    disconnect_time: 300     # Time before disconnecting from a correspondence game.
    ponder: false            # Ponder in correspondence games the bot is connected to.

challenge:                   # Incoming challenges.
  concurrency: 1             # Number of games to play simultaneously.
  sort_by: "best"            # Possible values: "best" and "first".
  accept_bot: true           # Accepts challenges coming from other bots.
  only_bot: false            # Accept challenges by bots only.
  max_increment: 180         # 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_base: 315360000        # Maximum amount of base time to accept a challenge. The max is 315360000 (10 years).
  min_base: 0                # Minimum amount of base time to accept a challenge.
  variants:                  # Chess variants to accept (https://lichess.org/variant).
    - standard
#   - fromPosition
#   - antichess
#   - atomic
#   - chess960
#   - crazyhouse
#   - horde
#   - kingOfTheHill
#   - racingKings
#   - threeCheck
  time_controls:             # Time controls to accept.
    # - ultrabullet
    - bullet
    - blitz
    - rapid
#   - classical
#   - correspondence
  modes:                     # Game modes to accept.
    - casual                 # Unrated games.
    - rated                  # Rated games - must comment if the engine doesn't try to win.