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White Openings

Black Defenses

Gambits

Traps & Tricks

♟

Select an opening to begin

Keyboard move

♛

Choose an opening from the library to start learning

Coach

Sharpen your reactive play

Account

Local mode

Estimated difficulty 1200

Club novice

Adapt level automatically

Play as

Starting position

Game Inbox

Paste a PGN

Analyse my moves as

Or choose a .pgn file

Analysis stays in this browser; signed-in insights and drills sync normally.

Personal repertoire

Import your games to see the openings you actually play and the positions worth repairing.

Your training data

Export a backup or merge one from another device. Existing local progress is kept.

Move sounds

Keyboard move

Adaptive session · 5–10 min Start a streak

Start your first coached session

Play ten reviewed moves and Coach will choose your first training focus.

0 of 10 moves 0%

Set a level and start a new game.

Opponent threats

Top engine moves

Opening

Evaluation

Move list

Session

Moves played0 Accuracy— Recent accuracy— Best0 Excellent0 Good0 Inaccuracies0 Mistakes0 Blunders0

Lifetime

Games played0 Moves analyzed0 Avg accuracy— Total blunders0

Weekly coaching review

Endgame essentials0/4

Opening → middlegame

Rehearse the first plan after your opening setup instead of memorising moves in isolation.

Coach Insights

Moves learned0 Error patterns0 Weakest phase-

Keep playing

Insights appear after coach mode sees repeated inaccuracies, mistakes, or blunders.

Recurring pattern trend

Practice Queue 0 due

0Attempts

—Success

0Mastered

0Attempts · 7d

0dActive streak

No attempts in the last 7 days.

Theory to Retain