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In the card game bridge, a forcing pass is an agreement or understanding that a pass call obliges the partner to bid, double, or redouble over an intermediate opposing pass, i.e. partner must "keep the bidding open". : ... – (act) – Pass – (Pass) – ? Here "..." represents any beginning to the auction. The forcing pass (bold) necessarily occurs directly over an opposing bid, double, or redouble (act). After a pass over a pass, the auction might end before partner's turn. In other words the partnership is committed to act ''somehow'' rather than to end the auction now; that is a precondition. The first, direct, "forcing pass" refers to partner the choice ''how'' to act. There is no commitment to accept partner's choice. Indeed, a forcing pass ensures that the auction will return to the one who issues it, so it may be interpreted as the first half of a two-step action by that player. Normally double is natural where pass is forcing. That is, double suggests the current denomination and strain, doubled, as a final contract. "Forcing pass" is also a synonym for strong pass, a conventional pass in first or second position that shows a strong hand and is "a form of opening bid" in effect.〔 Strong pass systems are barred from many competitive events == When is pass forcing? == Here "... (act)" means any beginning to the auction, followed by an opposing bid, double, or redouble. :... (act) Pass (Pass) ? The opponents may be obliged to keep the bidding open themselves because their action is forcing. Then the forcing pass is a moot point and the concept may be considered inapplicable. When their action is not forcing, on the other hand, partnership understanding whether pass is forcing may be vital. Partners should recognize ''forcing pass situations''. 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「forcing pass」の詳細全文を読む スポンサード リンク
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