List of defenses to 1NT

This is a list of defensive conventions used in the game of contract bridge to compete in the bidding after the opponents have opened with a one notrump (1NT) bid.


 * ANTI
 * Aspro
 * Asptro, a hybrid of Astro and Aspro
 * Astro, Modified Astro, Pinpoint Astro, Grano-Astro, Roth-Stone Astro
 * Astrolite
 * Becker
 * Bergen over 1NT (see DONT)
 * Blue Club transfers (see Transfer overcalls)
 * Brozel
 * Cansino, Modified Cansino
 * Canape transfers
 * Cappelletti, Modified Cappelletti, Revised Cappelletti
 * CDH Buchanan
 * CHASM
 * Comfy Canapé or CoCa
 * CRASH (aka CRO)
 * Crowhurst convention
 * DONT, Revised DONT
 * Exclusion bids (aka Super Convention)
 * Feathertson
 * Feel Away Notrump (FAN)
 * Feel Oriented Notrump Destroyer (FOND)
 * Gates adjunct
 * Grano-Astro (see Astro)
 * Hamilton
 * Hello
 * Kelsey
 * Landy
 * Lionel
 * Maestro Double
 * Meckwell
 * Meyerson
 * Modified Astro (see Astro)
 * Mohan
 * MONK
 * Mylläri
 * Multi-Landy
 * Nilsland
 * Pinpoint Astro (see Astro)
 * Pottage, Revised Pottage
 * Power
 * RCO
 * Ripstra
 * Roche convention
 * Roth
 * Roth-Stone Astro (see Astro)
 * Sahara convention
 * Scorrchio
 * Sharples convention, Modified Sharples
 * Soap convention
 * Splash convention
 * Suction, Twerb Suction, Suction Redwood
 * Supernatural
 * Tizi convention
 * Toss convention
 * Transfer overcalls
 * TRASH
 * Uni-club
 * Vroom convention
 * Modified Wallis
 * Westwood convention See also WIND convention and WINDA
 * WIND convention
 * WINDA
 * WONT
 * Woolsey