My training

What should I do today?

One question, answered concretely. The plan below is rule-based: it reads your measured weakest skill and your current lesson, then orders the session around them.

Your skill profile

Training labs

Listed with their real status, so you always know what exists.

On this course

Play — puzzles, games and review

The course board for a real game and your courses. Strong engines run in your browser. Month 01 is included. Months 02–12 are Plus.

Engines: Stockfish 19 · Fairy-Stockfish · Maia · Leela · Shatranj
No account needed: Puzzles · Play · Review

Open Play

Calculation Lab

Live

Graded positions, one at a time, with hints on request. Live now.

Open

Master Game Studies

Live

Critical positions from verified historical games. Live now.

Open

Defensive Training

In lessons

Positions where your opponent has the tactic. Inside Day 01 today; a standalone lab as the course is authored.

Open

Game review

Partial

Paste a PGN. A shallow built-in engine marks large swings and names a skill. It does not print an accuracy percentage.

Open