List of defenses to 1NT
Encyclopedia
This List of defenses to 1NT lists the names of defensive conventions used in the game of contract bridge
to compete in the bidding after the opponents have opened with a 1NT bid. Convention names are from the cited references as indicated.
Contract bridge
Contract bridge, usually known simply as bridge, is a trick-taking card game using a standard deck of 52 playing cards played by four players in two competing partnerships with partners sitting opposite each other around a small table...
to compete in the bidding after the opponents have opened with a 1NT bid. Convention names are from the cited references as indicated.
- Aspro
- AsptroAsptroAsptro is a contract bridge bidding convention used to intervene over a 1NT opening bid. It is a hybrid of the Astro and Aspro conventions, thus the name.*2 shows at least 5-4 either way round in hearts, the anchor, and a minor suit...
, a hybrid of Astro and Aspro - Astro , Modified Pinpoint Astro, Grano-astro, Roth-Stone Astro
- Astrolite
- Becker
- Bergen over 1NT (see DONTDONTDONT is a conventional overcall against an opposing 1NT opening bid. DONT, an acronym for Disturb Opponents' Notrump, was designed by Marty A. Bergen, and is therefore also referred to as 'Bergen over Notrump'. Although the method is often criticized for being too nebulous, it remains fairly popular...
) - Blue Club transfers (see Transfer overcalls)
- BrozelBrozelBrozel is a method for intervening against an opposing 1NT opening bid. It features the following calls:*Double – shows any single suit; advancer bids 2, after which intervenor corrects to his actual suit...
- Cansino
- Canape transfers
- CappellettiCappellettiCappelletti is a contract bridge bidding convention used to intervene over opponent's 1NT opening. Its invention is usually attributed to Michael Cappelletti and his longtime partner Edwin Lewis, but origin of the concept is also claimed by Fred Hamilton, John Pottage and Gerald Helms.Cappelletti...
- Comfy CanapéComfy CanapéIn the card game bridge, CoCa or Comfy Canapé is a conventional defense against opposing 1NT openings. When playing CoCa, over a 1NT opening of the opponents, both a double as well as a 2 overcall are conventional and establish spades and hearts, respectively as anchor suits...
or CoCa - CRASHCrash conventionIn the game of contract bridge, CRASH is a defense against a strong 1 or a 1NT opening that first appeared in an article by Kit Woolsey in The Bridge World...
(aka CRO) - DONTDONTDONT is a conventional overcall against an opposing 1NT opening bid. DONT, an acronym for Disturb Opponents' Notrump, was designed by Marty A. Bergen, and is therefore also referred to as 'Bergen over Notrump'. Although the method is often criticized for being too nebulous, it remains fairly popular...
- Exclusion bids (aka Super Convention)
- Feel Away Notrump (FAN)
- Feel Oriented Notrump Destroyer (FOND)
- Gates adjunct
- Grano-Astro (see AstroAstro- Entertainment and media :* Astro , a member of the British reggae band UB40* Astro , a Japanese noise music project* Astro , a contestant on the first season of the U.S...
) - HamiltonCappellettiCappelletti is a contract bridge bidding convention used to intervene over opponent's 1NT opening. Its invention is usually attributed to Michael Cappelletti and his longtime partner Edwin Lewis, but origin of the concept is also claimed by Fred Hamilton, John Pottage and Gerald Helms.Cappelletti...
- HelloHello conventionHello is a bridge convention used for intervention over an opponent's 1NT opening. It allows for all one- and two-suited hands to be shown, and - for one suited hands - retains the ability to transfer.It features the following calls:*Double is for penalty...
- Kelsey
- LandyLandyLandy is the first bridge conventional defense against over opponent's 1NT opening and one of the first conventions ever introduced. It was invented by Alvin Landy. Over 1NT, the overcall of 2 shows both major suits, while all other bids are natural...
- LionelLionel conventionLionel is a contract bridge bidding convention used in defense against an opposing 1NT openings. Utilising Lionel, over a 1NT opening of the opponents:* a double is conventional and denotes spades and a lower suit ,...
- Modified Pinpoint Astro (see AstroAstro- Entertainment and media :* Astro , a member of the British reggae band UB40* Astro , a Japanese noise music project* Astro , a contestant on the first season of the U.S...
) - Mohan
- MONK
- Multi-Landy
- MeckwellMeckwell conventionMeckwell is a method for intervening against an opposing 1NT opening bid. It features the following calls:*Double – shows a single minor or both majors; advancer bids 2, after which intervenor corrects to his actual suit if a minor, or hearts if holding both majors*2, 2; – shows the...
- MeyersonMeyerson conventionThe Meyerson convention is a defensive bidding convention to an opponent opening bid of one notrump. Double shows at least four cards in a major and at least four cards in a minor, with both suit lengths totalling at least nine cards. A 2 bid shows at least four cards in each major...
- PottageCappellettiCappelletti is a contract bridge bidding convention used to intervene over opponent's 1NT opening. Its invention is usually attributed to Michael Cappelletti and his longtime partner Edwin Lewis, but origin of the concept is also claimed by Fred Hamilton, John Pottage and Gerald Helms.Cappelletti...
- Power
- RCO
- Ripstra
- Roth
- Roth-Stone Astro (see AstroAstro- Entertainment and media :* Astro , a member of the British reggae band UB40* Astro , a Japanese noise music project* Astro , a contestant on the first season of the U.S...
)
- Sahara convention
- Scorrchio
- Sharples convention
- Soap convention
- Splash convention
- SuctionSuction conventionSuction is a contract bridge bidding convention used to intervene over an opponent's 1NT opening. Using the suction convention, a suit overcall of a 1NT opening is conventional and denies the suit actually bid...
- Tizi convention
- Toss convention
- Transfer overcalls
- TRASHTrashTrash may refer to:In garbage:* Waste, unwanted or undesired waste material* Trash can, a containerIn computing:* Trash , a way in which operating systems dispose of unwanted files...
- Uni-club
- Vroom convention
- Westwood convention See also WIND convention and WINDA
- WIND convention
- WINDA
- WONT
- Woolsey
External links
- Australian Bridge Magazine website list of defenses against a 1NT opening.
- Bridge Buff website commentary on the MONK convention.
- Pattaya Bridge Club website list of defenses against a 1NT opening are briefly reviewed, including a comparison of CappellettiCappellettiCappelletti is a contract bridge bidding convention used to intervene over opponent's 1NT opening. Its invention is usually attributed to Michael Cappelletti and his longtime partner Edwin Lewis, but origin of the concept is also claimed by Fred Hamilton, John Pottage and Gerald Helms.Cappelletti...
and Multi-LandyLandyLandy is the first bridge conventional defense against over opponent's 1NT opening and one of the first conventions ever introduced. It was invented by Alvin Landy. Over 1NT, the overcall of 2 shows both major suits, while all other bids are natural...
. - Chris Ryall's website page on 1NT defenses.
- David Stevenson's website page on 1NT defenses.