Tactical Play in Chess

Xray (skewer)

Black is on the move and will promote a Pawn before White. After 1...a1Q, White plays 2.h8Q+, winning the black Queen on the next move. This theme is known as an xray or a skewer and is only executed by the line pieces.

Index: Tactical Play in Chess

1. Fork
2. Pin
3. Discovered attack
4. Discovered check
5. Xray (skewer)