Your games become a training plan
We read your Chess.com and Lichess games, name your playing style, and turn the mistakes you actually make into puzzles and lessons. One game coached in plain words — free.
No account needed · go to my games →
4 axes
style radar
Yours
puzzles from mistakes
1 free
coached game
87%
Accuracy
63%
Win rate
1.2
Blunders/game
Detected patterns
Demo
See the path: import → radar → train
Watch import, style radar, and a coach comment. On desktop, switch to the live demo and click around yourself.
Not engine lines.
Words.
When a move is a mistake, you get the plan, the key squares, and what to do instead — grounded in Stockfish, written in sentences.
Best lines
Bd3 is premature — the bishop attacks nothing and blocks d3 where the queen may want to go. Nc3 was the right move: it defends d4, prevents Black's ...e5 counterplay, and leaves the bishop free to settle on Be3 or Be2 depending on Black's plan.
ChessMentor — Stockfish sees −0.89. The comment tells you why — and what it means for your plan.
Get started now
Import your games
Enter your Lichess or Chess.com username to get started
What you actually get
Style radar from your games
Four axes — theorist, tactician, strategist, virtuoso — scored from the games you already played. Not a generic quiz.
Puzzles from your own mistakes
When you hang a piece or miss a fork, that position comes back as a puzzle. You train the error you actually repeat.
Academy matched to your leak
Interactive chapters (strategy, tactics) tied to the weakest axis on your radar. Progress stays on your device.
Free Stockfish 18 analysis
The engine runs in your browser. Moves classified: brilliant, good, inaccuracy, mistake, blunder — with the eval drop.
1 game coached in plain words
Free: the coach comments one game — plans, key squares, why the move failed. Pro unlocks that on every game.
Chess.com and Lichess, together
One profile, both platforms. Analysis stays on your machine for the engine step. No chatbot, no invented report.
From a lost game to what to train next
Import your recent games
Enter your Chess.com or Lichess username. We pull your latest games — you do not need an account to start.
See your style, train the misses
Stockfish scores the moves. You get a style radar and puzzles built from those blunders — not a public puzzle set.
Replay one game with coach comments
Free: one game explained in plain words. Pro: the coach comments every game and any move on demand.
Start from the games you just played
Stockfish 18 runs in your browser. We analyse your recent games and turn the mistakes into training — not a 5,000-game warehouse on day one.
30
imported
20
analysed
5
puzzles
1
coached
Ready to discover your mistakes? Import your games now.
Simple and transparent
Radar, puzzles, and Stockfish stay free. Pro unlocks the coach on every game — $8.99/mo, or $4.92/mo billed annually.
Free
Unlimited Stockfish analysis
- Import from Lichess & Chess.com
- Stockfish 18 analysis (unlimited)
- Style radar + puzzles from your mistakes
- Academy chapters
- 1 game annotated by the coach
Pro
The AI coach annotates all your games
- Everything in Free included
- The AI coach annotates all your games
- Every mistake explained in plain words
- On-demand coach on any move
No charge for 15 days
Frequently asked questions
How do I import my games?
What is actually free?
How is this different from Chess.com, Aimchess, or DecodeChess?
Is my data secure?
Analyze your chess games online for free
Enter your Chess.com or Lichess username to analyze your chess games for free with Stockfish 18.
A training plan from the games you already play
ChessMentor AI imports your Chess.com and Lichess games, runs Stockfish 18 in the browser, and builds a style radar plus puzzles from your own mistakes.
Free includes analysis, radar, those puzzles, Academy chapters, and 1 coached game in plain words. Pro unlocks coach comments on every game and on-demand explanations of any move. There is no chat bot and no generic report.
If you already use Chess.com Game Review, Aimchess, or DecodeChess: they show a number, a dashboard, or one position. This site is for the next step — what to train tomorrow.
ChessMentor AI
Ready to improve?
Import your games — analysis and 1 coached game, free.
Free · 1 coached game · style radar · puzzles. Pro = coach on every game.