The three special moves every player must know: castling to keep your king safe, promoting a pawn into a new queen, and the en passant pawn capture. This is a basics course with 3 lessons and 8 interactive exercises, suited to players rated around 350 (complete beginners). Every exercise is played on a real board with feedback after each move, there is nothing to install, and it is free.
Lessons in Castling, promotion and en passant
Castling – Castling is the only move where two pieces move at once: the king and a rook.
Promotion – A pawn that reaches the last rank is promoted.
En passant – En passant (French for 'in passing') is a special pawn capture.
Next steps
Safe pieces: protect, escape and check – Short drills for your first games. What to do when a piece is attacked, and how to spot a piece left hanging. The three ways out of check. And how to give a check without losing the checking piece.