Analyze Your Chess Games and Turn Them Into a Training Plan

Game Review

Every game analyzed move by move with Stockfish, with an accuracy score plus every inaccuracy, mistake and blunder you played.

Puzzles from your games

Every blunder and missed tactic from your own games, replayed as a solvable puzzle and verified move by move by Stockfish.

Puzzles For You

Beyond your own blunders: a curated set drawn from 400,000+ Lichess puzzles, matched to the openings you play and the weaknesses in your stats — or build a custom mix by theme, opening and rating.

Opening Tree

Every move you and your opponents play, as an interactive tree with win/draw/loss stats at each node.

All Openings

A sortable breakdown of every opening in your history, ranked by score so you see what is actually working, and what keeps costing you.

Period Reports

A report card for any window — today, this week, month, or your last 40 / 100 games — graded against your own recent form. Click any stat to open the games behind it, review them, or turn every blunder in that window into a puzzle.

Playstyle Profile

Your chess personality read from real games: predictability, risk-taking, complexity, castling habits, tactics and opening trouble.

Endgame Profile

How you score in every kind of endgame: pawn, knight, bishop, rook and queen endings, down to specific pairings like rook vs rook.

Blown Wins

The games you were winning and let slip. Every position where you had a decisive advantage and lost it, bucketed by opening, middlegame or endgame.

Activity

When you play and how you score: a day-by-day heatmap plus records, streaks, best hours, monthly trends and opponent analytics.

Game Length

How long your games run and how your results track with length — the quick finishes, the long grinds, and where you tend to fade.

Opponent Scouting

Enter an upcoming opponent's username to surface their weakest lines and prepare the perfect counter.

Improvement Velocity

Track whether you are actually getting better. Accuracy and win-rate trends over time, split by opening phase and time control.

Rating Graph

Your rating plotted across every game, so the runs, the slumps and the moment your form actually turned are impossible to miss.

Missed & Blundered Mates

Every forced mate you had and walked past, plus every position where you handed your opponent a forced checkmate.

Chess DNA

Your chess fingerprint: the specific patterns, tendencies and habits that define your style across thousands of positions.

Tactic Profile

How you handle forks, pins, skewers and discovered attacks — both as attacker and defender — measured across your entire game history.

Mate Patterns

The recurring checkmate patterns that end your games, and how often you are on the delivering or receiving end of each one.

Opening Trouble

Your most costly openings ranked by win rate and eval loss — the lines you keep losing with, and exactly where they go wrong.

Opening Drift

How your opening repertoire shifts month by month as results influence your choices, and when that drift is helping or hurting you.

Opening Traps

Positions where your opponents consistently fall into tactical traps — and the traps you keep walking into yourself.

Repertoire Predictability

How readable your opening choices are to a prepared opponent, and which moves you play so consistently they give you away.

Termination Patterns

How your games end: checkmate, resignation, timeout, draw — and whether those patterns shift under time pressure or rating pressure.

Castling Profile

When you castle, which side, how often you delay or skip it entirely, and how each choice correlates with your win rate.

Knight Fork Analysis

How often you create knight forks, how often you fall for them, and the positions where your pieces keep landing on fork squares.

Material Resilience

How your accuracy holds when you are down a pawn, an exchange, or more. Do you tighten up or does your game fall apart?

Position Complexity

The complexity level you naturally gravitate toward, and how well your accuracy holds as positions get sharper and harder to navigate.

Simplification Tendency

Whether you reach for trades or keep complications alive — and whether your tendency to simplify is helping or costing you.

Confidence Under Pressure

How your accuracy and risk-taking shift in must-win situations, on tilt, and when playing up or down against the rating ladder.

Opponent Performance

Your win rate and accuracy split by opponent rating band — so you know if you punch up, coast against lower-rated players, or stay consistent.

Risk Profile

Your aggression score, draw avoidance rate and sharp opening frequency — whether you play for the win at all costs or take the safe road.

PGN Upload

Analyze any PGN file directly — tournament games, correspondence games, club matches — with the same full engine analysis, no username needed.

Opening Map

Your entire repertoire as a visual map — every line branching move by move from the start, coloured by engine-graded move quality with the eval under each move.

Time Pressure Analysis

How your accuracy and blunder rate shift as the clock runs low — whether you thrive in the scramble or fall apart when short on time.

One-Click Sync

Keep your analysis current: sync pulls in every game you have played since your last visit and folds it into your existing report — no re-analyzing from scratch.

Head-to-Head

Your complete record against a specific opponent — past games, running score and the openings that keep deciding your matchups.

Build Your Own Repertoire

Play moves and follow Stockfish top picks plus real master games to grow your own opening tree, branch by branch — saved on your device.

Practice Your Repertoire

Drill your lines from memory, or go off-book and let Stockfish grade every move as the bot deviates from your prep.

Repertoire Notes

Attach a note to any move — your plans, ideas and traps to remember — saved with the line and carried in the exported PGN.

Import & Export Repertoire

Upload or paste PGN to build it straight into your tree, and export your whole repertoire as PGN with evals and notes in one click.