open source · browser-local · spaced repetition

Drill your openings
until they’re muscle memory.

Pick an opening, train its lines, and let spaced repetition do the rest. No account, no server — your prep lives in this browser.

Openings

tabia · MIT · your data never leaves this browser

★ the openings you starred

✦ tabia AI · free · no sign-in

We read your recent games and match an opening to how you actually play — right here in your browser.

1 · Your username 2 · Where you play

live preview · this is the card you get

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Play the moves on the board, or import a PGN below. Click any move to give it a comment and its own correct/wrong coach lines.

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