Premium
It does the work. You just play.
It finds what's holding you back, builds the fix, and the moment you've got it, moves you on. The plan rewrites itself as you improve — no menus, no guessing what to study. Gradual, compounding, fast.
Improvement, made effortless
A coach that studies you. Not the average player.
The fastest way to actually get better at chess: play, and a coach that studies your games tells you in plain language what to fix, then builds the training that fixes it.
Trained on millions of real human games. 5.68 million curated puzzles. Every game coached, move by move.
No signup needed for your first game.Meet your coach
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CLU · your coachyour move — white
Go on — it's a real board. I'll watch.
Every move explained, as you play
Plays like a human, judges like a GM
Adapts as you improve
Free — no signup to start
What's really happening
Behind every game, Square One is working.
It studies how you play — and how you see the board: where your eye goes, what it skips, the patterns you keep walking into. The engine is only our reference point, never the lesson. What we hand you is understanding: your weaknesses, named as real chess themes, tied to principles as old as the game itself.
From there it gets specific. Custom puzzles drawn from the exact positions you've lost to — your blind spots, not a generic set. Shaky on openings? A tight, coached line you can learn in a handful of moves, the theory and the reason behind it. Middlegame, endgames, mating nets you can't quite finish — whatever phase is costing you, we build exactly what closes it.
The loop
Play. Understand. Fix what's actually broken.
01
Play someone your own size
Maia bots learn from millions of human games — they attack, defend, and blunder like real people at your level. Or bring a friend. Either way, every move is coached.
You (712)vsMaia (750)
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5
02
Hear why, the moment it happens
No eval bars to decode. It names the actual pieces and squares, what you were going for, and what the board had planned instead — while the position's still warm.
Mistake
Bc4 looks active, but your knight on f3 was the only piece holding d4. After …Nxd4 the center opens straight onto your king.
while you play · move 14
03
Fix what you actually miss
Your misses become the curriculum: the one habit costing you most, plus packs built from your own games. Stop making the mistake for real and it notices — then moves you on.
Your pattern
"Knight forks keep landing on you."
9 misses · last 50 games
5-puzzle fork pack — built from your games
Why, not just what
Not engine output. Understanding.
No eval bars, no dense paragraphs — just what your move did, what the board had planned, and why. The read that makes you go "oh, I never saw that." A grandmaster's judgment with an engine's precision: it knows when the "best move" is only the computer talking. You're learning to play better, not to play like Stockfish.
Good instinct with h3 — you saw the back-rank problem before it existed. That's the habit worth keeping.
The engine says Qxb7 wins a pawn. Ignore it — that's the computer talking. You'd spend three moves walking the queen home while his attack arrives on time.
Third game you've castled into a half-open file. You asked why it keeps going wrong — that's why. There's already a pack built for it.
What's inside
Everything earns its place.
Every move, explained
Good or bad, you hear why — in a sentence that lands, not a wall of notation. Right when it matters, not in a review gone cold.
A grandmaster's mind, an engine's eyes
Engine precision, human wisdom. It coaches real improvement, not how to imitate a computer.
The Dojo
Coached openings, the traps that win games, drills, and lessons — your whole training ground, matched to you.
Bring the games you already play
PremiumPoint it at your Chess.com or Lichess history and it turns those games into a coached plan. No fresh start required.
Play your size, fully coached
Human-like opponents at every strength, plus friends. Every game coached, move by move.
Leave studying in the past. Start at Square One.
Books and videos never moved your rating. A few weeks here will — every question answered, and genuinely fun, the way chess should be.
Free to start. No credit card. Just chess.
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