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In contract bridge, coup is a generic name for various techniques in play, denoting a specific pattern in the lie and the play of cards; it is a special play maneuver by declarer. There are various types of coup which can be effected. == Pure Coups == There are many coups which the opponents can do little to prevent. ;Bath coup The original coup was referred to as the Bath Coup, whereby a player holding the Ace, Jack and small card(s) plays small against the lead of a King-Queen sequence, so as to get two tricks (if the suit is continued) or gain tempo. ;Belladonna coup The declarer's act of playing low card below king from Kx-Jxx combination in a suit contract, in order to tangle defender's communications for trumping, ensuring either a trick in the suit or a third-round ruff. ;Crocodile coup The Crocodile coup is a technique used by the defense. It is executed by second hand, following suit with a higher card than apparently necessary, to keep fourth hand from winning and thereby being endplayed. ;Deschapelles coup The act of sacrificing a card that would ordinarily be an eventual winner (such as an offside King) to establish an entry into partner's hand. ;Devil's coup The Devil's coup is the act of stopping defenders getting a trump trick from Qx opposite Jxx - surely the work of the Devil? ;Coup en passant The act of ruffing through the player who has bigger trump(s), so that the trump is taken either by ruffing or by making it master trump if the other player ruffs. ;Galileo coup The Galileo coup is so named because Galileo Galilei is usually credited with the invention of the telescope; this coup arises when the contract is in a suit in which the declaring side is missing both the Ace and King; if successful, the defenders end up being forced to play the Ace and King of trumps to the same trick, thus "telescoping" their two trump tricks into one. ;Grand coup A Trump coup where the cards ruffed in order to execute a trump reduction are winners. ;Merrimac coup The Merrimac coup is the act of sacrificing an honour (usually a King) in order to remove an entry from an opponent's hand. ;Morton's fork coup The forcing of an opponent to choose between establishing one or more extra tricks in the suit led and losing the opportunity to win a trick in the suit led. ;Scissors coup The Scissors coup is so named because it cuts communications between defenders, most commonly by discarding a key card from either the declarer's own hand or dummy. This enables declarer to prevent the defenders transferring the lead; usually for a defensive ruff. ;Trump coup The Trump coup happens in the end-game when declarer needs to finesse in trumps but doesn't have one to lead up. It is often associated with a Trump Reduction. ;Vienna coup The Vienna coup is the act of cashing an ace opposite the queen (or, more generically, an immediate winner opposite a menace) in order to enable a squeeze to work on either opponent. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Coup (bridge)」の詳細全文を読む スポンサード リンク
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