Elo Ladder
Climb from beginner to grandmaster. Battle seven Stockfish bots, master 280 lessons, and challenge your friends anywhere — right in your browser.
Choose your game
Everything is free. Pick a mode and start playing in one click.
Play the bots
Seven opponents from Pebble (400) to Oracle (2800), powered by Stockfish 18.
Play now → 🎓Training
7 courses, 280 lessons: the rules, checkmates, tactics, 40 openings, endgames and a master class.
Start learning → ♞Play a friend
Send an invite link and play anyone, anywhere. Clocks, draws and rematches.
Invite a friend → 🌐Online lobby
Rated matchmaking, friends list and a live leaderboard.
Enter lobby →Meet the bots
Every bot plays at its real rating. Start easy, then climb the ladder.
📲 Get the app — free
Instructions for every device
iPhone / iPad
- Open this page in Safari.
- Tap Share (square with an arrow).
- Tap Add to Home Screen, then Add.
Android
- Open this page in Chrome.
- Tap ⋮ (top right).
- Tap Install app (or Add to Home screen).
Windows / Mac — Chrome or Edge
- Click the install icon at the right end of the address bar,
- or Chrome: ⋮ → Cast, save and share → Install page as app; Edge: ⋯ → Apps → Install this site as an app.
Mac — Safari
- Click File in the menu bar.
- Click Add to Dock.
Why players love it
Bots at every level
Stockfish 18 at calibrated strengths — strong bots use Stockfish's own Elo limiter.
Real Elo ratings
Every game moves your rating, chess.com-style. Climb from Beginner to Grandmaster.
280 lessons
Real puzzles you solve on the board, with hints, solutions and stars for perfect lessons.
Your board, your style
Eight board themes from classic wood to neon, square names, and smooth animations.