Opening Trainer

Sharpen the opening lines you play most and fix the early errors in your repertoire.

Opening trainers

Opening Explorer

Explore any opening move by move. Browse engine, masters and popular suggestions, and follow the live opening explorer as you build your line.

Open

Repertoire

Repertoire Explorer

Follow your own lines and see how you and your opponents responded to each move, with your personal top moves and a My Repertoire explorer alongside engine, masters and popular data.

Open Personal

Tester

Opening Tester

Play 10 or 15 moves against a human-like opponent that replies with Lichess-weighted moves, then see how accurately you played the opening.

Open

Builder

Decide how you answer every line and save it as your own repertoire. Engine, masters and popular data side by side, an arrow for the move you already chose, and every saved line drills straight away in the Opening Drill.

Open Personal

Drill

Opening Drill

Pick your colour, an opening theme and sub-theme, then choose a concrete line and drill it move by move for as long as you like. Lines you save in the trainers land here too — mark openings as personal per colour and filter to just your own.

Open Personal

From your games

Opening blunders

Replay the blunders you made in the opening of your own games and find the move you should have played. Done with all your blunders? Move on to your mistakes.

Open Personal

From your games

Theory Gaps

Every opening line from your own games where you were the first to leave theory with a move that wasn't best — worst lines first. Replay the line, find the better move and save it to your drill.

Open Personal

From your games

Repertoire Review

Every position from your own games where you left your saved repertoire. Play your own repertoire move — the deviations you repeated most come first, and you can recheck your games whenever you change your repertoire.

Open Personal