Tempo
Practice

Train the patterns that win games.

Targeted drills that turn what you learn into instinct. Solve puzzles, drill your openings from memory, and sharpen the patterns that matter most.

Tactical puzzles

Pattern-based puzzles that adapt to your rating. Build the sharp eye that spots tactics instantly — forks, pins, skewers, back-rank mates and more.

Adaptive · starts at your rating

Opening drills

Drill your repertoire lines from memory. Your mentor guides you through the right responses and flags deviations — until the moves become automatic.

All openings · spaced repetition

Game analysis

Paste any game — yours or a master's — and let Mentor José and Stockfish walk you through every inaccuracy, mistake and blunder.

PGN or FEN · engine-powered

Play positions

Start a game from any position. Use this to practise your endgame technique, test a specific opening line, or replay a tricky moment from your games.

Custom positions · FEN input