Requires Node.js
Place a chess engine in the containing server project with name chess_engine.out
Create and fill out the file config.env in root of the server (Replace ... with values):
# see https://lichess.org/api#operation/apiStreamEvent
BEARER_ID=...
# name of the bot on lichess.org
BOT_ID=...
# relative engine path e.g. ./chess_engine.out
ENGINE_PATH=...
# which time controls to accept e.g. rapid,blitz
VALID_TIME_CONTROLS=...
# whether it should challenge the AI when having no ongoing games, 1 = true, 0 = false
AUTO_CHALLENGE_AI=...
# the level of AI to challenge in above option, 1-8 - higher is more difficult
AI_LEVEL=...
# the initial amount of time (sec) on the clock e.g. 300
CLOCK_LIMIT=...
# how much time (sec) is added after each move e.g. 5
CLOCK_INCREMENT=...Bearer ID is generated on lichess following their API for a bot Bot ID is the name of the user on lichess
Navigate to file containing server project, then run command
node app.js