Special-move tactics
Castling, en passant and promotion look like beginner topics, yet they hide some of the sharpest tactics in chess. Here is how each one wins.
Castling
The king-and-rook move that hides the king and activates a rook.
Read more →En passant
A pawn captures a pawn that just slipped past it with a double step.
Read more →Promotion
A pawn reaches the last rank and becomes a queen (or another piece).
Read more →Underpromotion
Promoting to a knight, rook or bishop instead of a queen — on purpose.
Read more →Put these into practice on thousands of adaptive puzzles.