Negative free bid

Negative free bid: Negative free bid is a contract bridge treatment whereby a free bid by responder over an opponent's overcall shows a long suit in a weak hand and is not forcing. This is in contrast with standard treatment, where a free bid can show unlimited values and is unconditionally forcing. The treatment is a relatively recent invention, and has become quite popular, especially in expert circles.

Negative free bids resolve relatively frequent situations where the responder holds a long suit with which he would like to compete for a partscore, but is deprived from bidding it by opponent's overcall.

Example

West North East South

1♦ 1♠ ?

For example, if South holds: ♠ 86 ♥ KJ10852 ♦ K6 ♣ 532, partner opens 1♦ and East overcalls 1♠, he couldn't bid 2♥ in standard methods, as it would show 10+ high-card points, and a negative double would be too off-shape. With NFB treatment in effect though, he can bid 2♥ which the partner may pass (unless he has extra values and support, or an excellent suit of its own without tolerance for hearts).

However, as a corollary, negative free bids affect the scope of negative double; if the hand is suitable for "standard" forcing free bid (10-11+ points), a negative double has to be made first and the suit bid only in the next round. Thus, the negative double can be made with the following types of hand:

A weakish hand with unbid suits (unbid major)

A stronger hand with unbid suits

A strong (opening bid or more) one-suited hand.

This can sometimes allow the opponents to preempt effectively.

West North East South

1♦ 1♥ Dbl 4♥

?

For example, West, holding: ♠ KJ103 ♥ J8 ♦ AKQ104 ♣ J2, after this auction is in an awkward situation — he doesn't know whether partner has spades or not; whether South was bidding to make or to sacrifice — is it correct to double, bid 4♠ or pass?

External links

Alan Truscott's column in New York Times

Detailed description

v · d · eIndex of contract bridge articles

v · 2/1 game forcing • A Acol • Alcatraz coup • American Bridge Association • American Contract Bridge League • Asptro • Astro convention • Auction bridge • Avoidance play • B • Backward finesse • Backwash squeeze • Balanced hand • Balancing (bridge) • Baron convention • Bath coup • Beer card • Belladonna coup • Bergen raises • Bermuda Bowl • Bid whist • Bidding box • Bidding system • Blackout convention • Blackwood convention • Blue Club • Blue Ribbon Pairs • Blue Team (bridge) • Board (bridge) • Boring Club • Bridge at the 1st World Mind Sports Games • Bridge Base Basic • Bridge Base Inc. • Bridge convention • Bridge d'Italia • Bridge ethics • Bridge magazines • Bridge maxims • Bridge probabilities • Bridge scoring • Bridge World Standard • Bridgette (game) • Brown sticker • Brozel • Bruce LM-5000 Pairs • Buffett Cup • Byzantine Blackwood convention C • Camrose Trophy • Canadian Bridge Federation • Canapé (bridge) • Cannibal squeeze • Cappelletti • Card reading (bridge) • Carrot 1NT • Carrot 4NT • Carrot Club • Cavendish Invitational • Chicago (bridge card game) • Clash squeeze • Comfy Canapé • Commonwealth Nations Bridge Championships • Compound squeeze • Computer bridge • Contract bridge • Contract bridge diagram • Contract Bridge for Beginners • Copenhagen convention (bridge) • Coup (bridge) • Coup en passant • CRASH convention • Criss-cross squeeze • Crocodile coup • Cue bid • D • Dallas Aces • Deschapelles coup • Devil's coup • Distribution (bridge) • DONT • Double squeeze • Drury convention • Duck (bridge) • Duplicate bridge • E • EBUTA • EHAA • Ekren convention • Endplay • English Bridge Union • Entry (cards) • Entry squeeze • Entry-shifting squeeze • F • Fantunes • Finesse • Fishbein convention • Fishbein Trophy • Fit showing jump bid • Five-card majors • Flannery • Forcing bid • Forcing defense • Forcing notrump • Forcing pass • Four-color deck • Fourth suit forcing • Fourth suit forcing convention • G • Gambling 3NT • Game try • Gardener 1NT • Gerber convention • Ghestem • Glossary of contract bridge terms • Gold Cup (bridge) • Goulash (bridge) • Grand National Teams • Grand slam force • Grosvenor gambit • Guard squeeze • H • Hand evaluation • Hello convention • Highly unusual method • History of contract bridge • Hold up (bridge) • I • International Mind Sports Association • Inverted minors • J • Jacoby 2NT • Jacoby transfer • K • Kamikaze 1NT • Kaplan-Sheinwold • Keohane North American Swiss Teams • Knockout squeeze • L • Landy • Last Train • Law of total tricks • Laws of Duplicate Bridge • Leaping Michaels • Lebensohl • Lightner double • Lionel convention • List of bridge books • List of bridge competitions and awards • List of bridge magazines • List of bridge people • List of defenses to 1NT • Little Major • Loser on loser • Losing-Trick Count • M • Meckwell convention • Merrimac coup • Meyerson convention • Michaels cuebid • Mind sport • Minibridge • Mini-Roman 2 Diamond • Mohan convention • Morton's fork coup • Moscito • Muiderberg convention • Multi 2 diamonds • N • Nail Life Master Open Pairs • Namyats • Negative double • Negative free bid • New minor forcing • Non-simultaneous double squeeze • Norman four notrump • North American Bridge Championships • O • Ogust convention • OK bridge 2/1 • Opening lead • Optimum contract and par contract • Overcall • P • Pass-or-correct bid • Percentage play • Pin (bridge) • Piotr Gawryś • Playing card • Polish Club • Portland Club (London) • Precision Club • Principle of fast arrival • Principle of restricted choice • Progressive squeeze • Pseudo-squeeze • Psychic bid • Q • Quantitative no trump bids • Quantitative notrump bids • R • Raptor convention • Relay bid • Reverse (bridge) • Roman Club • Romex system • Rosenblum Cup • Rosenkranz double • Rosenkranz redouble • Rubber bridge • Rubens advances • Rubensohl • Ruff (cards) • Rule of 11 • Rusinow leads • S • Safety play • Säffle Spade • San Francisco convention • Scissors coup • Screen (bridge) • Semi-forcing notrump • Serious 3NT • Signal (bridge) • Simple squeeze • Simultaneous double squeeze • Singaporean bridge • Single suiter • Single-suit squeeze • Slam-seeking conventions • Smith signal • Smother play • Snapdragon double • Splinter bid • Squeeze play (bridge) • Standard American • Stayman convention • Stepping-stone squeeze • Strip squeeze • Strong club system • Strong pass • Strong two bid • Strong two clubs • Suction convention • Suit combination – J missing • Suit combination • Suit combinations – K10 missing • Support double • T • Takeout double • Tempo (bridge) • The Bridge World • The Official Encyclopedia of Bridge • Three suiter • Transfer Walsh • Traveling sheet • Triple crown of bridge • Triple squeeze • Trump coup • Trump promotion • Trump squeeze • Two suiter • U • Unusual notrump • Unusual vs. unusual • Uppercut (bridge) • Useful space principle • V • Vacant Places • Venice Cup • Vice squeeze • Vienna coup • Vugraph • W • Walsh convention • Weak two bid • Winkle squeeze • Woolsey convention • World Bridge Championships • World Bridge Federation • World IMP Pairs Championship • World Junior Pairs Championship • World Junior Teams Championship • World Mind Sports Games • World Mixed Pairs Championship • World Mixed Teams Championship • World Open Pairs Championship • World Senior Pairs Championship • World Senior Teams Championship • World Team Olympiad • World Transnational Open Teams Championship • World Women Pairs Championship • X • XY Notrump Convention • Y • Young Chelsea Bridge Club • Z • Zar Points

Contract bridge • Duplicate bridge • Glossary of contract bridge terms • Rubber bridge

See also

Auction bridge • Bridge ethics • Bridge maxims • Bridge Murder case • Bridge scoring • Bridge whist • Bridgette (game) • Chicago (bridge card game) • Computer bridge • Contract bridge diagram • Duplicate bridge movements • Goulash (bridge) • History of contract bridge • Laws of Duplicate Bridge • Major suit • Masterpoints • Minibridge • Minor suit • Neuberg formula • Optimum contract and par contract • Screen (bridge) • Singaporean bridge • Single suiter • Suit (cards) • Traveling sheet • Two suiter • Void (cards) • Vugraph

Bidding

Introduction

Bidding system •
Bridge convention • Hand evaluation

Bridge systems

List of bidding systems •
2/1 game forcing • Acol • Bidding system • Blue Club • Boring Club • Bridge Base Basic • Bridge World Standard • Canapé (bridge) • Carrot Club • EHAA • Fantunes • Highly unusual method • Kaplan-Sheinwold • Little Major • Moscito • OK bridge 2/1 • Polish Club • Precision Club • Roman Club • Romex system • Säffle Spade • Standard American • Strong club system • Transfer Walsh •

Bridge conventions

Asptro •
Astro convention • Baron convention • Bergen raises • Blackout convention • Blackwood convention • Brozel • Byzantine Blackwood convention • Cappelletti • Carrot 1NT • Carrot 4NT • Comfy Canapé • Copenhagen convention (bridge) • CRASH convention • DONT • Drury convention • Ekren convention • Fishbein convention • Fit showing jump bid • Flannery • Forcing notrump • Fourth suit forcing • Gardener 1NT • Gerber convention • Ghestem • Grand slam force • Hello convention • Jacoby 2NT • Jacoby transfer • Kamikaze 1NT • Landy • Last Train • Leaping Michaels • Lebensohl • Lightner double • Lionel convention • Meckwell convention • Meyerson convention • Michaels cuebid • Mini-Roman 2 Diamond • Mohan convention • Muiderberg convention • Multi 2 diamonds • Namyats • Negative double • Negative free bid • New minor forcing • Norman four notrump • Ogust convention • Pass-or-correct bid • Raptor convention • Relay bid • Rosenkranz double • Rosenkranz redouble • Rubens advances • Rubensohl • San Francisco convention • Serious 3NT • Slam-seeking conventions • Snapdragon double • Splinter bid • Stayman convention • Strong two bid • Strong two clubs • Suction convention • Unusual notrump • Unusual vs. unusual • Walsh convention • Woolsey convention

See also

List of defenses to 1NT •
Balanced hand • Balancing (bridge) • Bidding box • Board (bridge) • Brown sticker • Cue bid • Five-card majors • Forcing bid • Forcing pass • Gambling 3NT • Game try • Honor point count • Inverted minors • Law of total tricks • Losing-Trick Count • Overcall • Preempt • Principle of fast arrival • Psychic bid • Quantitative no trump bids • Reverse (bridge) • Sacrifice (bridge) • Shooting (bridge) • Strong pass • Support double • Takeout double • Three suiter • Useful space principle • Weak two bid • Zar Points

Card play

Introduction

List of play techniques (bridge) •
Card reading (bridge) • Duck (bridge) • Endplay • Entry (cards) • Finesse • Hold up (bridge) • Ruff (cards) • Safety play •

Declarer play

Coups: Alcatraz coup • Bath coup • Belladonna coup • Coup (bridge) • Coup en passant • Crocodile coup • Deschapelles coup • Devil's coup • Merrimac coup • Morton's fork coup • Scissors coup • Trump coup • Vienna coup • Squeezes: Backwash squeeze • Cannibal squeeze • Clash squeeze • Compound squeeze • Criss-cross squeeze • Double squeeze • Entry squeeze • Entry-shifting squeeze • Guard squeeze • Knockout squeeze • Non-simultaneous double squeeze • Progressive squeeze • Pseudo-squeeze • Saturated squeeze • Simple squeeze • Simultaneous double squeeze • Single-suit squeeze • Squeeze play (bridge) • Stepping-stone squeeze • Strip squeeze • Triple squeeze • Trump squeeze • Vice squeeze • Winkle squeeze • Suit combinations Suit combination • Suit combination – J missing • Suit combination – 10 missing • Suit combinations – K10 missing

Defender play
Journalist leads • Opening lead • Rule of 10-12 • Rule of 11 • Rusinow leads •

See also
Avoidance play • Beer card • Forcing defense • Grosvenor gambit • Loser on loser • Percentage play • Pin (bridge) • Principle of restricted choice • Shooting (bridge) • Signal (bridge) • Smother play • Tempo (bridge) • Trump promotion • Uppercut (bridge) • Vacant Places •

People

Administrators,
players and
writers

List of bridge people •
A • Terje Aa • Pierre Albarran • Martin Andresen • Walter Avarelli • B • Cezary Balicki • Hermine Baron • Henry Beasley • Giorgio Belladonna • Richard Belton • Albert Benjamin • Marty A. Bergen • David Berkowitz (bridge) • Huub Bertens • David Bird • Easley Blackwood, Sr. • Blue Team (bridge) • Norberto Bocchi • Janet de Botton • Tim Bourke • Marcelo Branco • Tomas Brenning • Raymond Brock • Jane Bronstein • John Brown • David Bruce (bridge) • Michelle Brunner • Walter Buller (bridge) • Wesley Burrowes • C • Orlando Campos • Mike Cappelletti • Drew Casen • James Cayne • Gabriel Chagas • Paul Chemla • George Coffin • Larry Cohen (bridge) • Ben Cohen (bridge) • Barry Crane • John R. Crawford • Ely Culbertson • D • Massimo D'Alelio • Dallas Aces • Hugh Darwen • Mike Develin • Leslie Dodds • Giorgio Duboin • Michel Duguet • E • Billy Eisenberg • Bob Etter • F • Fulvio Fantoni • Martin Fleisher • Jeremy Flint • Pietro Forquet • Tony Forrester • Robert Frederick Foster • Richard Freeman (bridge) • G • Nico Gardener • Benito Garozzo • Piotr Gawryś • Pierre Ghestem • Eldad Ginossar • Fred Gitelman • Ramesh Gokhale • Bobby Goldman • Phil Gordon • Fritzi Gordon • Charles Goren • Audrey Grant • Alan Greenberg • Susanna Gross • Glenn Grøtheim • Ace Gutowsky • H • Bob Hamman • Nicolas Hammond • Maurice Harrison-Gray • Geir Helgemo • Walter Herbert (conductor) • Marc Hodler • Mark Horton (bridge) • Carl Hudecek • Roy Hughes (bridge) • I • J • Oswald Jacoby • Pierre Jaïs • K • Charles Kalme • Edwin Kantar • Edgar Kaplan • Ralph Katz • George S. Kaufman • Norman Kay (bridge) • Amalya Lyle Kearse • Sami Kehela • Hugh Kelsey • Ron Klinger • Martin de Knijff • Putte Kock • Kenneth Konstam • Janusz Korwin-Mikke • Michał Kwiecień • L • Harry Lampert • Michael Lawrence (bridge) • Peter Lee (chess player) • Linda Lee (bridge) • James Lemon • Bobby Levin • Irina Levitina • Clyde E. Love • Paul Lukacs • M • Iain Macleod • Zia Mahmood • Ronald Mansbridge • Rixi Markus • Jack Marx (bridge) • Jeff Meckstroth • Adam Meredith • Marshall Miles • Victor Mollo • Albert Hodges Morehead • Bauke Muller • Eric Murray (bridge) • N • Claudio Nunes • O • Jack Olsen • Aileen Osofsky • Géza Ottlik • P • Camillo Pabis Ticci • Richard Pavlicek • Jordanis Pavlides Leonard Pennario • Carl'Alberto Perroux • Hubert Phillips • Gary M. Pomerantz • Julian Pottage • R Prabhakar • Tony Priday • Tommy Prothro • Jacek Pszczoła • Q • R • Terence Reese • Doris Rhodes • Andrew Robson • Eric Rodwell • Bill Root (bridge) • Eunice Rosen • William Rosen • Michael Rosenberg • George Rosenkranz • Alvin Roth • Jeff Rubens • Ron Rubin (bridge) • S • Boris Schapiro • Howard Schenken • Peter Schneider (film executive) • A. J. Sefi • Martin Seligman • Omar Sharif • Alfred Sheinwold • Shen Chun-shan • Jaggy Shivdasani • S. J. Simon • P. Hal Sims • Helen Sobel Smith • Nicola Smith • Marc Smith (bridge) • Tobi Sokolow • Paul Soloway • Alan Sontag • Nathan B. Spingold • Samuel Stayman • Paul Stern • Ralph Swimer • Peter Swinnerton-Dyer • T • Roger Trézel • Dorothy Hayden Truscott • Alan Truscott • Harold Stirling Vanderbilt • U • V • Bep Vriend • W • Louis H. Watson • C. C. Wei • Roy Welland • Berry Westra • Charles Wigoder • Bobby Wolff • Kit Woolsey • Milton Work • X • Y • Z • Richard Zeckhauser • Jack Zhao • Adam Żmudziński

Championships

Introduction

List of bridge competitions and awards

World

Bermuda Bowl •
Bridge at the 1st World Mind Sports Games • Cavendish Invitational • McConnell Cup • Rosenblum Cup • Senior Bowl (bridge) • Triple crown of bridge • Venice Cup • World Bridge Championships • World IMP Pairs Championship • World Junior Pairs Championship • World Junior Teams Championship • World Mind Sports Games • World Mixed Pairs Championship • World Mixed Teams Championship • World Open Pairs Championship • World Senior Pairs Championship • World Senior Teams Championship • World Team Olympiad • World Transnational Open Teams Championship • World Women Pairs Championship

National and Zonal

Buffett Cup •
Camrose Trophy • Commonwealth Nations Bridge Championships • Gold Cup (bridge) • North American bridge Championships: Blue Ribbon Pairs • Bruce LM-5000 Pairs • Chicago Mixed Board-a-Match • Fall National Open Pairs • Fast Open Pairs • Fishbein Trophy • Goren Trophy • Grand National Teams • Hilliard Mixed Pairs • Jacoby Open Swiss Teams • Keohane North American Swiss Teams • Lebhar IMP Pairs • Leventritt Silver Ribbon Pairs • Machlin Women's Swiss Teams • Manfield Non-Life Master Pairs • Master Individual • Mini-Blue Ribbon Pairs • Mini-Spingold • Mitchell Board-a-Match Teams • Mott-Smith Trophy • Nail Life Master Open Pairs • National 199er Pairs • National 49er Pairs • National 99er Pairs • Non-Life Master Swiss Teams • Norman Kay Platinum Pairs • North American Bridge Championships • North American Pairs • Red Ribbon Pairs • Reisinger • Rockwell Mixed Pairs • Roth Open Swiss Teams • Senior Knockout Teams • Silodor Open Pairs • Smith Life Master Women's Pairs • Spingold • Sternberg Women's Board-a-Match Teams • Truscott Senior Swiss Teams • Vanderbilt Trophy • Von Zedtwitz Life Master Pairs • Wagar Women's Knockout Teams • Wernher Open Pairs • Whitehead Women's Pairs • Young LM-1500 Pairs •

Organizations

Clubs

Bridge Club Braşov •
Galatasaray Bridge Team • Melville Bridge Club • Portland Club (London) • Young Chelsea Bridge Club •

Governing bodies

American Bridge Association •
American Contract Bridge League • Canadian Bridge Federation • English Bridge Union • European Bridge League • World Bridge Federation •

Resources

Books

List of bridge books •
25 Bridge Conventions You Should Know • Bridge Squeezes Complete • Contract Bridge for Beginners • Edwin Kantar bibliography • Master Point Press • Planning the Play of a Bridge Hand • Terence Reese bibliography • The Official Encyclopedia of Bridge • Tickets to the Devil •

Magazines

List of bridge magazines •
Bridge d'Italia • The Bridge World •

External links

Bridge Base Basic •
Bridge Base Inc. • OK bridge 2/1 •

v · d · e Take me to the contract bridge project site or Take me to a Random page in category contract bridge

West	North	East	South
	1`♦`	1♠	?

West	North	East	South
1`♦`	1♥	Dbl	4♥
?

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Negative free bid

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Negative free bid

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