GhostBoard: Practice & Analysis Board for Chess.com & Lichess

A second board beside Chess.com and Lichess puzzles. Try lines, play blindfold, drill your calculation. 100% free.

Stuck on a puzzle and want to try a line before committing? Wondering what happens if the bot takes that pawn? GhostBoard puts a second, interactive chessboard right next to your Chess.com or Lichess board, synced to the current position, so you can explore ideas without touching the real game. HOW IT WORKS • Open a puzzle, a game vs the computer, or the analysis board on Chess.com or Lichess • GhostBoard appears in the corner, already showing the current position • Drag or click pieces to play out your ideas. Undo, reset, flip, then make your real move TRAIN YOUR CALCULATION • Blindfold mode: hide the pieces and play from memory, with a hold-to-Peek button • Calculation drill: enter a whole line by clicking or typing (e.g. Nf3 Nc6 Bb5) while the board stays frozen, then press Reveal to see where it really ends and step through it move by move FEATURES • Works on Chess.com and Lichess • Auto-syncs with the real board in real time • Last-move highlight and live material count • Drag-and-drop or click-to-move, with legal-move hints • Undo, Reset to the current position, Flip board, switch side to move • Move list of the line you are exploring • Pawn promotion picker, checkmate and draw detection • Move, resize, or minimize the board anywhere on screen • 30+ piece sets, 20 board themes, curated presets • Available in English, Spanish, Portuguese, French, German, Russian, and Hindi • Everything is free: no account, no trial, no paywall WHERE IT WORKS Chess.com: Play vs Computer, Play vs Coach, Puzzles, Analysis, Lessons, Courses, Endgames, and Practice positions. Lichess: Analysis board, Puzzles, Puzzle Streak, Practice, and Studies. FAIR-PLAY SAFE GhostBoard is automatically disabled in live games, daily games, tournaments, and all rated play against people. On Lichess it stays off every game page, including games against the computer. It's a practice and calculation tool, not a cheating tool: no engine, no move suggestions. PRIVACY Nothing leaves your browser. No analytics, no tracking, no accounts, no servers. GhostBoard is an independent project and is not affiliated with or endorsed by Chess.com or Lichess.