Stockfish Chess Analyzer

Grandmaster Engine • Local UCI

In-Browser WASM: Online

Interactive Board Live Play & Analysis

0.0

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💡 Drag or click pieces to move • Right-drag for arrows • Right-click to highlight • Esc to clear

Interactive Board

📷

Upload Board Image / Screenshot

Click to browse, drag & drop, or paste with Ctrl+V / Cmd+V

FEN String

Presets:

Target Depth (ply)

Max Think Time (ms)

Candidates (MultiPV)

Engine:

Backend Ready

Engine Mode:

Engine Evaluation Stockfish WASM

Side to Move ⇄

Best Move

Evaluation

Candidate Moves (MultiPV)

#	Move	Eval	Depth	TB Hits	Principal Variation (PV)
Click "Analyze Position" to evaluate with Stockfish

🎓 Grandmaster Coach Heuristic Analysis

🎯 Strategic Plans

⚔️ Tactical Refutations

⚖️ Positional Imbalances

💡 Master Takeaway

📚 Master Opening Book Opening Book

💬 AI Grandmaster Coach Chat Auto (AI / Offline)

🎓

Grandmaster Coach

Welcome! I am your Grandmaster Coach. Ask me anything about the current board position, strategic pawn structures, king safety, or tactical lines.

Game Review: Export:

PGN Input & Game Import Stockfish Review

Game Selector 🗂️ History Archive

Import File

PGN Notation

Engine Depth (ply)

Time per Move (ms)

Current Position

Starting Position

Load or Review a game above to start replay...

Ply 0 / 0

Speed:

Move Analysis & Comparison Start

Select or step through any move in the game to see engine evaluation, tactical sacrifices, and recommended refutations.

White vs Black

Event: ? • Date: ???? • ECO: -

White Accuracy -%

Black Accuracy -%

Move Classifications Quality Breakdown

White	Classification	Black
Perform a Full Game Review to view move quality breakdown.

Evaluation Graph Click anywhere to seek to move

Game Notation Scrubber 0 Moves

#	White Move	Black Move
Enter a PGN and click "Review Game" to inspect all moves.

Stockfish Chess Analyzer

Puzzle Solved!

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🔮 Predictive Move Cards (10-Step Visual Continuations)

Decision Branch Tree (10-Step Paths & Milestone Snapshots)

🔭 Dual-View Forecast (Live Game vs 10-Step Future Split)