Knighty
Interactive Lessons

Learn by playing, not watching.

Every lesson puts you on the board — you make the moves, get instant feedback, and a coach explains the why, so the idea sticks instead of scrolling past.

Your move

Correct!Bc4

You play it yourself — then the lesson explains why.

Three tracks

From your first move to real openings and endgames

100+

Opening lessons

An opening lesson teaching the Queen's Gambit

Learn the ideas behind the Italian, the Sicilian, the Caro-Kann and more — not just the moves to copy.

20+

Endgame lessons

An endgame lesson teaching the Philidor position

Drill the positions that decide games — king and pawn, rook endings, the Philidor, the Lucena, and more.

Learn the rules

Dedicated beginner track

The beginner track listing a lesson for every piece

Brand new? Learn every piece, the special moves, and the first principles, one step at a time.

Correct — the fork wins

Try again

Right move advances. Wrong move teaches you why.

Learn by doing

You play every move — and learn from the wrong ones too

It's not a video you watch. You play the correct move yourself; play a tempting wrong one and the lesson shows you why it fails. Learning by doing is what makes it stick.

Can I grab the pawn on e5 with my knight here?

You can play Nxe5, but Black simply takes back (…Nxe5 or …dxe5) and you have traded a knight for a single pawn — that loses material, it does not win it.

+0.6
Open analysis

Branch any line with the full engine — then jump back to the lesson.

Never stuck

Ask the AI coach about any position, in plain language

Confused about a move? Ask the coach — it knows the exact lesson, step, and position. Curious whether another idea works? Open the full analysis board right there and test your own lines with the engine, then come back.

Verified
TablebasesPrecomputed databases holding the perfect result for every position with seven pieces or fewer — each move is provably best by distance to mate.StockfishThe strongest open-source chess engine. It checks larger positions deeply, so the move is verified — never a human guess.

Checked move by move, so you learn what's actually correct.

Moves you can trust

Every move is engine-verified — no guesses

Lesson moves aren't one creator's opinion. They're checked against StockfishThe strongest open-source chess engine. It checks larger positions deeply, so the move is verified — never a human guess. Learn more on Wikipedia and, in the endgame, 7-piece Syzygy tablebasesPrecomputed databases holding the perfect result for every position with seven pieces or fewer — each move is provably best by distance to mate. Learn more on Wikipedia — so what you practise is provably correct, not approximately right.

Every move is verified by Stockfish and tablebases — no guessed moves.

InteractiveDefault

You play each move yourself, with hints and instant feedback — the way the idea sticks.

Fast Mode

Skip the prompts and step through every move freely — perfect for a quick review.

1.e4e52.Nf3Nc63.Bb5
Two ways to learn

Play it out, or fast-forward through the moves

Lessons are interactive by default — you make each move yourself and get feedback as you go. In a hurry, or just reviewing? Switch on Fast Mode to skip the prompts and click straight through every move to see the whole line at a glance.

Built so it actually sticks

Hints & alternatives

Stuck? Get a nudge, then the solution — and see why the tempting moves don't work.

Concepts, explained

Each step names the idea at play — the opposition, a pin, central control — in plain language.

XP, streaks & progress

Finish lessons to earn XP and keep a streak alive, with your progress tracked across devices.

Three full tracks

The rules for beginners, openings, and endgames — a whole curriculum to work through.

Knighty

Understand chess by playing it.

Open a lesson, make the moves yourself, and finally understand the why — free to start.

Get it on the App StoreGet it on Google Play