Developed by Monroe Ingberman,[1] a fragment bid is a bidding convention used in the card game contract bridge. It is an unusual jump rebid, usually a double jump, by either the opener or the responder which shows a fit with partner's suit and shortage, either a singleton or void, in the fourth suit.[2]

Although analogous to splinter bids, fragment bids differ in that they require the naming of a suit held rather than the short suit itself. Partnership agreement is required on the details of either splinter or fragment bids and their continuations.

Examples

Fragment bid by opener

North South
12
4

The 4 rebid by opener is a fragment bid; it is double jump showing two or three cards in the fragment suit (hearts), a singleton or void in clubs and support for partner's diamond suit.

Fragment bids by responder

North South
11
14

The 4 bid is a fragment bid showing support for spades and shortness in the unbid suit, diamonds.

North South
11
14

When three suits have been bid naturally, a double jump in the fourth suit is a fragment bid. The 4 bid shows support for partner's last bid suit (spades) and a singleton in his first suit (clubs).

North South
11
14
45

If the fragment bidder rebids the suit in which he has promised shortness, he shows a void; in this case in clubs.

See also

References

  1. Manley, Brent; Horton, Mark; Greenberg-Yarbro, Tracey; Rigal, Barry, eds. (2011). The Official Encyclopedia of Bridge (7th ed.). Horn Lake, MS: American Contract Bridge League. p. 286. ISBN 978-0-939460-99-1.
  2. Kearse, Amalya (1990). Bridge Conventions Complete (Revised and Expanded ed.). Louisville, KY: Devyn Press Inc. p. 106. ISBN 0-910791-76-7.


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