Find out why you lost, in plain English.
Paste your username. A real chess engine finds your biggest mistakes and explains every one like you've never played a game in your life.
or review a popular player
Free · no signup · works with any public chess.com or lichess account
A complete improvement loop
Everything you need to actually improve
Not just a score. The reason behind every mistake, drills built from your own games, and a coach right beside you while you play.
See why you lost
A report card on any game: accuracy, blunders, and every mistake explained in plain English.
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Drill your blunders
Puzzles built from your own real mistakes, not random positions, with spaced repetition.
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Play with a coach
Play a bot at any level with a live coach suggesting moves and a blunder shield on.
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Track your progress
Watch your blunder rate fall month by month and find the openings that keep losing you games.
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Interactive lessons
Learn forks, pins, skewers, and back-rank mates on a real board. Find the move, get the explanation.
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Tactics & checkmates
Every tactic and mating pattern, explained with examples: forks, pins, skewers, back-rank, smothered, and more.
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Watch and win
Watch great chess play out and win, move by move. Visualise winning - click through yourself or let it autoplay.
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Guess the Elo
Watch a mystery game and guess the players' rating. A fun, fast way to train your eye for good chess.
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A real explanation
No cryptic arrows. Just what went wrong.
The engine judges the chess. The AI puts it into human words, so the coaching is specific, beginner-friendly, and never made up.
Get my report free →You grabbed a pawn, but your queen is now trapped. After Ng3 it has no safe square and falls next move.
Simple by design
From username to insight in about a minute
We list your games
Type your chess.com or lichess name and we pull your recent games. Nothing to upload.
A real engine checks every move
Stockfish, the strongest engine on earth, scores every position and finds where you went wrong.
We explain it like you're new
Each mistake gets a plain-English explanation and the move you should have played, on the board.
Your chess coach now fits in your pocket
Your coach in your pocket: analyze games, drill your blunders, and play with a live coach anywhere. Same free account across web and mobile.
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Stop guessing why you lost.
See your blunders explained, drill the patterns you keep falling for, and watch your rating climb. Free, no signup.
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