Ready to see how each move stacks up against the engine?
Analysis finished.
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Analysis runs 100% locally. Your games never leave your device.
1. Load a Game β Enter a Chess.com or Lichess username, paste a PGN, or upload a .pgn file.
2. Choose Engine Depth β Select how much time Stockfish spends per move. Deeper = more accurate but slower.
3. Run Full Review β Stockfish 18 analyzes every position and classifies each move.
4. Explore β Click any move in the ledger to jump to that position. See top engine lines, eval bar, and accuracy scores.
5. Sandbox Mode β Drag a piece to play an alternative move and see what the engine thinks β live.
π‘ Pro tip: Use β β arrow keys to step through moves. Press R to run review. Press Esc to dismiss modals.