Discovered attack

A B E X

Absolute Pin

An absolute pin is a situation in chess where a piece is attacked by an opposing piece and cannot move because doing so would...

Back-rank Mate

A back-rank mate is a checkmate delivered by attacking a king trapped on its own back rank, typically because the escape squares are blocked...

Epaulette Mate

An epaulette mate is a type of checkmate in chess where the opposing king is surrounded by its own pieces, resembling shoulder pads, making...

X-ray

In chess, an X-ray is a tactical theme where a piece defends or attacks through another piece along a line, such as a rank,...