token: "lip_QPPqp4cknHDNBhGgAo5B" # Lichess OAuth2 Token.

url: "https://lichess.org/" # Lichess base URL.

engine: # Engine settings.

dir: "./engines/" # Directory containing the engine. This can be an absolute path or one relative to lichess-bot/.

name: "stockfish13m" # Binary name of the engine to use.

working_dir: "" # Directory where the chess engine will read and write files. If blank or missing, the current directory is used.

protocol: "uci" # "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.

draw_or_resign:

resign_enabled: false

resign_score: -1000 # If the score is less than or equal to this value, the bot resigns (in cp).

resign_for_egtb_minus_two: true # If true the bot will resign in positions where the online_egtb returns a wdl of -2.

resign_moves: 3 # How many moves in a row the score has to be below the resign value.

offer_draw_enabled: false

offer_draw_score: 0 # If the absolute value of the score is less than or equal to this value, the bot offers/accepts draw (in cp).

offer_draw_for_egtb_zero: true # If true the bot will offer/accept draw in positions where the online_egtb returns a wdl of 0.

offer_draw_moves: 5 # How many moves in a row the absolute value of the score has to be below the draw value.

offer_draw_pieces: 10 # Only if the pieces on board are less than or equal to this value, the bot offers/accepts draw.

online_moves:

chessdb_book:

enabled: false

min_time: 20

move_quality: "good" # One of "all", "good", "best".

min_depth: 20 # Only for move_quality: "best".

contribute: true

lichess_cloud_analysis:

enabled: false

min_time: 20

move_quality: "good" # One of "good", "best".

max_score_difference: 50 # Only for move_quality: "good". The maximum score difference (in cp) between the best move and the other moves.

min_depth: 20

min_knodes: 0

online_egtb:

enabled: false

min_time: 20

max_pieces: 7

source: "lichess" # One of "lichess", "chessdb".

move_quality: "best" # One of "good", "best".

# engine_options: # Any custom command line params to pass to the engine.

# cpuct: 3.1

homemade_options:

# Hash: 256

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: false # 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.

- 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.

greeting:

# Optional substitution keywords (include curly braces):

# {opponent} to insert opponent's name

# {me} to insert bot's name

# Any other words in curly braces will be removed.

hello: "Hi! I'm {me}. Good luck! Type !help for a list of commands I can respond to." # Message to send to chat at the start of a game

goodbye: "Good game!" # Message to send to chat at the end of a game