Chess bot userscript for chess.com

• Install a userscript manager, such as Tampermonkey or Violentmonkey.
• Create a new script with the content of: chesshook.user.js
• Navigate to chess.com
• Note: The hotkey to toggle the window is Alt+K, but it should render by default

• Puzzle solver

  • Intercepts puzzle solutions
  • Solves puzzles with 100% accuracy in <1 second each

  

• Render Threats

  • Utilizes some built in chess.com functions to render undefended pieces, underdefended pieces, pinned pieces, and mates

  

• Autoqueue

  • Automatically begins a queue for a new game after the current game ends

• Engine integration

  • Includes a few native engines, but can also use any UCI-compliant engine using this
  • Renders a green arrow on the board to indicate the best move

• Automove

  • Plays the best move generated by the selected engine
  • Has a minimum and maximum move time; try to play the move within that time range
    • Setting max to 0 will move instantly when the engine has a move
  • Is detected by the site under 'didUseCheatMouse', but that does not appear to produce a ban

• Legit mode

  • Disables the engine and automove features

• Bot game exploits

  • 'Force Bot Scholars Mate': Will force the bot to play scholars mate, counts as defeating the bot for the crowns
  • 'Force Draw Against Bot': Will force the bot to agree to draw

• Betafish, can beat the highest rated named free bot on chess.com (Francis, 2300 elo)
• Random, plays a random legal move
• Checkmate, Check, Capture, Push, inspired by Tom7's paper for SIGBOVIK 2019, not very good at chess
• External, can use any UCI-compliant engine using an intermediary server written in Golang