GhostBoard: Practice & Analysis Board for Chess.com

A second board beside Chess.com puzzles and bot games. Try lines, undo, reset — your real game stays untouched. 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 game, synced to the current position, so you can explore ideas without touching the real board. HOW IT WORKS • Open a puzzle, a game vs the computer, or the analysis board on Chess.com • 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 FEATURES • Auto-syncs with the Chess.com board in real time • Drag-and-drop or click-to-move, with legal-move hints • Undo, Reset to the current position, Flip board, switch side to move • Pawn promotion picker, checkmate and draw detection • Move and resize the board anywhere on screen • 30+ piece sets, 20 board themes, curated presets • Everything is free — no account, no trial, no paywall WHERE IT WORKS Play vs Computer, Play vs Coach, Puzzles, Analysis, Lessons, Courses, Endgames, and Practice positions. FAIR-PLAY SAFE GhostBoard is automatically disabled in live games, daily games, tournaments, and all rated play against people. 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.