Battery
A battery in chess is a formation that consists of two or more pieces on the same rank, file, or diagonal.
It is a tactic involved in planning a series of captures to remove the protection of the opponent's king, or to simply gain in the piece trades.
Answers
Example
Rf1-d1 (Rook on f1 moves to d1 square)
Rb2-d2
Qh1
Answers
Re1-g1
Qh2
Qb2+
Qf1