A move to cover check.

In a game: An effective move or combination.

Chess. The first move in the solution of a problem (problem, n. 5); = key-move n. at compounds 3.

in a game, one rendered inevitable by the action of the adversary or the position of the piece. Cf. forced put, force-put, n.

the first move in the solution of a problem (problem, n. 5); = sense A. 7.

The development of a bishop by moving it one square to a long diagonal of the board.

The action of queening (a pawn). See queen, v. 2.

Chess. The action of trapping an opposing piece so that it cannot be moved without exposing a more valuable piece to capture. Cf. pin, v.1 7b.

Chess. A problem beginning from a block (a position in which Black, though not under threat, cannot move without being mated by White), in which…

Chess. (See quot. 1930.)

An interim or temporizing move.