Fill a specific config key with the default value if it is missing. :param config: The bot's config. :param sections: The sections that

Create a timedelta duration in seconds.

Create a timedelta duration in milliseconds.

Return a bare number representing the length of the duration in seconds.

Raise an exception if an assertion is false.

Send the message to the chat.

Check if a timer is expired.

Send a POST to lichess.org. :param endpoint_name: The name of the endpoint. :param template_args: The values that go in the

:return: All the key-value pairs in this config.

How much time has passed.

Send the reply to the chat. :param line: Information about the original message that we reply to. :param reply: The reply to

Get the reason lichess-bot declined an incoming challenge. :param requirement_met: Whether a requirement is met. :param decl

Get an external move from online sources (chessdb or lichess.org).

Get the url of the game.

Check the validity of a config section. :param config: The config section. :param data_name: The key to check its value. :param data

Get the value of a key. :param name: The key to get its value. :return: `Configuration` if the value is a `dict` else return

Show the earliest that the next challenge will be created.

Send a GET to lichess.org. :param endpoint_name: The name of the endpoint. :param template_args: The values that go in the u

Return a value according to a position argument. This function is meant to replace if-elif-else blocks that turn ranges into discrete values

Reset the timer.

Return a string with the duration value in whole number seconds.

Change a single value to a list. e.g. 60 becomes [60]. Used to maintain backwards compatibility. :param config: The bot's config. :param

Get the greeting to send to the chat.

Whether the game can be aborted.

Check whether the game is over.

Start lichess-bot.

Return a bare number representing the length of the duration in milliseconds.

Add a bot to the blocklist.

Send a GET to the lichess.org endpoints that return a JSON. :param endpoint_name: The name of the endpoint. :param template_

Create a timedelta duration in minutes.

Return the path of the file where the game record will be written.

Log the number of active games and their IDs. :param change: Either "Freed", "Used", or "Queued". :param active_games: A set containing

Configure the logger. :param level: The logging level. Either `logging.INFO` or `logging.DEBUG`. :param filename: The filename to write

Give a rating estimate to the opponent.

Start a game thread.

Communicate with UCI engines. :param commands: The engine path and commands to send to the engine. e.g. ["engines/engine.exe", "--op

Aborts a game.

Prevent creating another challenge when an opponent has decline a challenge. :param username: The name of the opponent.

Send a GET to lichess.org that returns plain text (UTF-8). :param endpoint_name: The name of the endpoint. :param template_a

Challenge an opponent. :param active_games: The games that the bot is playing. :param challenge_queue: The queue contain

Get the bot's ongoing games.

Get the path template given the endpoint name. Will raise an exception if the path template is rate limited. :param endpoint_name: T

Get the bot's profile (e.g. username).

Choose a random value from `choices` if the parameter value in the config is `random`.

Get the stats returned by the engine. :param for_chat: Whether the stats will be sent to the game chat, which has a 140 character li

Check whether it is the engine's turn.

Check if the status code is 429, which means that we are rate limited.

Send the game events to lichess-bot.

Log the config to make debugging easier. :param CONFIG: The bot's config.

Create a timedelta duration in minutes.

Return a string with the duration value in whole number milliseconds.

Tell the bot when to abort, terminate, and disconnect from a game. :param abort_in: How many seconds to wait before aborting.

Close the engine.

Score all the moves using syzygy egtbs.

Set a delay to a path template if it was rate limited. :param path_template: The path template. :param delay_time: How long

Set the user agent for communication with lichess.org.

Get the short url of the game.

Whether a bot is likely to accept a challenge to a game. :param username: The name of the opponent. :param game_aspect:

Configure the game logger.

How much time is left until it expires.

Change a value to a more human-readable format.

Get a string representation of `Challenge`.

Get a string representation of `Game`.

Get a string representation of `Player`.

Accept a challenge.

Accept a challenge.

Set the challenge id to an empty string, if the challenge was accepted. Otherwise, we would attempt to cancel the challenge later

Store the move's comments. :param move: The move. Contains the comments in `move.info`. :param board: The current position.

Add extra commands to send to the engine. For example, to search for 1000 nodes or up to depth 10.

Send a GET to the lichess.org endpoints that return a list containing JSON. :param endpoint_name: The name of the endpoint.

Cancel a challenge.

Send a message to the chat. :param game_id: The id of the game. :param room: The room (either chat or spectator room).

Check if the bot was offered a draw.

Start correspondence games.

Check if lichess.org thinks the bot is online or not. If it isn't, we restart it.

Raise a warning or an exception if the version isn't supported or is deprecated.

Choose an opponent.

Reacts to the specific commands in the chat. :param line: Information about the message. :param cmd: The command to react to

Get the engine comments for a specific move. :param index: The move number. :return: The move comments.

Get the index of a move for use in `comment_for_board_index`. :param move_stack_index: The move number. :return: The index o

Create a challenge.

Decline a challenge.

Handle a challenge that was declined by the opponent. Depends on whether `FilterType` is `NONE`, `COARSE`, or `FINE`.

Download Leela Chess Zero 0.29.0.

Download Stockfish 15.

Download Sjeng.

Convert DTM scores to gaviota WDL scores.

Convert DTM scores to syzygy WDL scores.

Convert DTZ scores to syzygy WDL scores.

Check whether the correspondence must be started now or if it can wait.

Calculate how much time we should wait for fake_think_time.