Master the board.
Train by voice.
ChessTrainer.ai is a voice chess trainer that starts with the board. Learn every square by name, track pieces in blindfold chess drills, then move on to openings, middlegame plans, tactics and endgames, with your eyes on the board and your hands off the screen.
- Free forever plan
- No card required
- Voice runs in your browser. Short clips kept up to 90 days to improve recognition.
A square lights up. Pick its name, or say it.
Watch a drill before you try one.
A square lights up, you say it, the board checks you. Then a knight with no board, openings out loud and a game against Stockfish.
4 short clips, one drill eachFive modules, in the right order.
Most apps throw puzzles at you on day one. We start with the board, because reading notation, hearing a move and seeing a fork all depend on it.
a1 is dark Coordinates
Start here · Free core
Know every square by name.
Name the Square, Find the Square and four Pro drills that turn the board into a map you can see with your eyes closed.
- Size
- 6 drills
- Free
- 2 drills, all levels, heatmap
- Pro
- 6 drills + adaptive mode
1. e4 e5 Your first moves, with a plan.
Play through the main lines of the classical openings and hear why each move matters.
- Size
- 12 openings
- Free
- 3 openings
- Pro
- All openings + spaced repetition
Nd5, an outpost Ideas that win games.
Short illustrated lessons on plans, pawn structures and piece activity, each with a quiz.
- Size
- 25 lessons
- Free
- 3 lessons
- Pro
- All lessons
Nf7+, a fork See it. Calculate it. Strike.
Rated puzzles from the Lichess database, solved by tapping or by saying the move.
- Size
- 3,000 puzzles
- Free
- 5 puzzles a day
- Pro
- Unlimited, themes, Puzzle Sprint
Qe8# Convert what you have earned.
Essential technical endgames played out against the engine until they stick.
- Size
- 20 endgames
- Free
- 3 endgames
- Pro
- All endgames
Every free drill, opening, lesson and endgame is playable without an account. Browse the free curriculum
Say the square. Say the move.
The trainer listens through your browser and reads prompts aloud. Two Pro drills, Blindfold and Square Colors, go further: they run eyes-free, with no board to look at. It understands the way people actually talk.
| You say | It does |
|---|---|
| “e four”“e for”“echo four” | does: names e4 |
| “before” | does: names b4 (yes, really) |
| “knight f three” | does: plays Nf3 |
| “castle short” | does: plays O-O |
| “next”“skip” | does: moves to the next prompt |
| “repeat”“say again” | does: reads the prompt again |
| “hint” | does: shows a hint |
Chrome, Edge and Safari. In Firefox, the coordinate drills take voice once you sign in; the rest is tap. Recognition runs on your device where the browser supports it; otherwise the browser's speech service does it: Chrome sends your speech to Google, Edge to Microsoft and Safari to Apple. To improve recognition we keep about two seconds of some answers, never linked to your name or account, for 90 days. How voice works
- 00:00.0
Trainer: Knight on g1. It jumps to f3, then e5. Where is it?
- 00:03.2
You said: “e five” e5 correct
- 00:03.6
Trainer: It jumps to c6. What colour is c6?
- 00:05.9
You said: “light” light correct
- 00:06.3
Trainer: Now b4, then d3. Where is it?
- 00:09.1
You said: “d tree” d3 correct
What it runs on.
We build this to keep the human mind sharp. You see the square, you say the answer; the software listens and keeps score. Nothing here plays chess for you.
So here is everything underneath it, with names and licences.
- Recognition
- On your device where the browser supports it; otherwise your browser's own speech service: Chrome sends your speech to Google, Edge to Microsoft and Safari to Apple.
- Engine
- Stockfish, the open-source chess engine, on your device
- Puzzles
- Lichess puzzle database (CC0)
- Pieces
- cburnett set (CC BY-SA 3.0)
- Payments
- Stripe. We never see your card. Cancel anytime.
- Price
- Free forever · Pro $6.99/mo or $49/yr
- Free tier
- 5 puzzles and 1 voice game a day, no time limit
- Audio
- Two-second clips of some answers, kept 90 days to improve recognition. Never linked to your name or account.
- Telemetry
- Anonymous performance and error telemetry; a small sample of masked session replays; 30-day and 14-day retention.
- Account
- Email or Google. No card required.
- Tracking
- No ad trackers, no third-party analytics. See the privacy policy.
Free for the board. Pro for the game.
Free has no time limit. Pro opens the whole syllabus.
Free
For anyone who wants to know the board cold, at their own pace.
- Coordinates
- Name the Square, Find the Square, all levels, heatmap
- Openings
- 3 openings
- Repertoire
- 1 opening of 30 moves
- Middlegame
- 3 lessons
- Tactics
- 5 puzzles / day
- Endgames
- 3 endgames
- Play Stockfish
- 1 voice game / day, sighted or blindfold
- Leaderboards
- Yes
- Voice control
- Yes
$0 forever
The full coordinate-mastery core, by voice, with leaderboards.
- No card required. Sign up with email or Google.
- Free forever. Nothing renews and there is nothing to cancel.
- Upgrade whenever you like, or earn 72 hours of Pro with a 3-day streak.
Earned trial. Keep a 3-day streak and Pro is yours for 72 hours. No card.
Pro
For players who want the whole game: openings, middlegame, tactics, endgames and voice play, with no daily limits.
- Coordinates
- + Square Colors, Knight Paths, Diagonals, Blindfold, adaptive mode
- Openings
- All openings + spaced repetition
- Repertoire
- 20 openings of 200 moves, from a PGN or Lichess study
- Middlegame
- All lessons
- Tactics
- Unlimited, theme picker, Puzzle Sprint
- Endgames
- All endgames
- Play Stockfish
- Unlimited voice games
- Leaderboards
- Yes
- Voice control
- Yes, everywhere
$49 a year
$4.08 a month, billed once a year.
Every drill, every lesson, no daily limits. Cancel anytime.
- Renews automatically. Cancel anytime in Profile, Manage subscription. You keep Pro until the end of the period you paid for.
- Changed your mind? Email hello@chesstrainer.ai within 14 days of your first payment for a full refund.
- Prices in US dollars. Sales tax or VAT is added at checkout where required.
- If you cancel, you keep your progress, streak and all free content.
- Checkout by Stripe. See the terms and refund policy.
Questions, answered.
Something else? Write to hello@chesstrainer.ai.
Do I need to know chess already?
No. The curriculum starts with the board itself. If you can tell a knight from a bishop you can start module one today.
How does voice control work?
Your browser listens and we work out what you said: squares ("e four"), moves ("knight f3", "castle") and commands ("next", "repeat", "hint"). Recognition runs on your device where your browser supports it; otherwise your browser's own speech service does it: Chrome sends your speech to Google, Edge to Microsoft and Safari to Apple. To improve recognition we keep short clips of some answers, about two seconds each, stored without your name or account and deleted after 90 days. Pro users can turn that off in Profile.
Which browsers support voice?
Chrome, Edge and Safari (desktop and mobile). In Firefox, voice works in the coordinate drills once you sign in; everything else works by tapping.
What is free, exactly?
Name the Square and Find the Square at every level, 3 openings, 3 middlegame lessons, 5 puzzles a day, 3 endgames, 1 voice game a day against Stockfish, leaderboards and voice control. No time limit. Pro adds unlimited voice games.
What does Pro cost?
US$6.99 a month or US$49 a year (US$4.08 a month). Sales tax or VAT is added at checkout where required. Cancel anytime from your profile.
How do I cancel?
Open Profile, then Manage subscription, and cancel there. It takes a minute and you do not need to email anyone. Pro stays on until the end of the period you already paid for, and nothing renews after that.
Can I get a refund?
Yes. Email hello@chesstrainer.ai within 14 days of your first payment and we refund it in full. A renewal is refunded if you ask within 7 days and have not used any Pro content since it renewed. We answer within 5 business days, and Stripe returns the money in 5 to 10 business days.
Read the refund policyWhat happens to my progress if I cancel?
You keep it. Your stats, streak, history and settings stay in your account, and every free drill and lesson stays open. If you come back to Pro later, you pick up where you left off.
Do you need my card for the free plan or the trial?
No, never. The free plan needs only an email or a Google sign-in. The trial is earned: keep a 3-day streak and Pro is yours for 72 hours, then it ends on its own. We only ask for a card when you choose to buy Pro, and Stripe handles it.
What data do you collect?
Your email, display name, training progress and settings, and your plan status from Stripe (never your card number). When you answer by voice, short clips of some answers (about two seconds, not linked to your name or account, deleted after 90 days) to improve recognition. We also collect anonymous performance and error data and a small sample of masked session replays. No ad tracking and no third-party analytics. You can delete your account yourself at any time in Profile. The privacy policy lists everything.
Read the privacy policyDoes it work on my phone?
Yes. The app is mobile-first and installs to your home screen. On a laptop you get a sidebar layout and a bigger board.
Your first drill takes 60 seconds.
Create a free account, allow the microphone, and name your first square.
Start