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In chess, a tactic is a sequence of moves that each makes one or more immediate threats – a check, a material threat, a checkmating sequence threat, or the threat of another tactic – that culminates in the opponent's being unable to respond to all of the threats without making some kind of concession.
In chess, a clearance sacrifice is a tactical motif which involves a square on the chessboard being vacated to open up lines of attack. The tactic may also result in the substitution of a piece hindering the attack by a piece useful to the attack.
In chess composition, a motif is basic element of a move in the consideration why the piece moves and how it supports the fulfillment of a stipulation. Any move may and often does contain multiple motifs. Some composition schools put specific emphasis on motivation in chess problems, especially strategical school and Slovak school.
The staircase maneuver (or staircase movement [1]) is a tactical motif that employs the idea of a series of checks, or alternation between pins and checks, to advance a queen, rook, or king along a diagonal via a series of stepped orthogonal moves.
In Anastasia's mate, a knight and rook team up to trap the opposing king between the side of the board on one side and a friendly piece on the other. Often, the queen is first sacrificed along the a-file or h-file to achieve the position.
In chess, a king hunt is a tactical motif in which the opponent's king is exposed and subjected to a series of checks. Sometimes the king is drawn across the board and is mated in enemy territory. It is critical in such situations that the entire sequence is forced and the opponent is not given an opportunity to organize a defense. [1]
Trapping the queen is a tactical motif which occurs in both amateur and master games. The tactic is similar to a mating net, whose target is the defender's king, rather than his queen. When the opponent's queen is successfully trapped, it usually results in his immediate resignation.
In chess, a windmill (or seesaw) [1] [2] is a tactic in which a piece repeatedly gains material while simultaneously creating an inescapable series of alternating direct and discovered checks. Because the opponent must attend to check every move, they are unable to prevent their pieces from being captured; thus, windmills, while very rare, tend ...