Inisiatif dan serangan balas

The ability to make threats or active moves that compel replies and let one side direct the course of play.

One move treated as a unit of time within the position, independent of the seconds on the chess clock.

Active play, usually by the side under pressure, that creates threats and makes the opponent address new problems.

An active attack launched while under pressure, intended to force a reply and change the course of play.

An immediate threat created in response to the opponent's threat in order to force a change of priority.

A reply to check that removes the original check and gives check to the opposing king in the same move.

A renewable series of attacks or threats that prevents progress and usually leads to repetition.