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. * * Aspro * Asptro, a hybrid of Astro and Aspro * Astro, Modified Astro, Pinpoint Astro, , Roth-Stone Astro * * * Bergen over 1NT (see DONT) * Blue Club transfers (see ) * Brozel * , * * Cappelletti, , * * CHASM * Comfy Canapé or CoCa * CRASH (aka CRO) * * DONT, * (aka Super Convention) * * * * * (see Astro) * Hamilton * Hello * * Landy * Lionel * * Meckwell * Meyerson * Modified Astro (see Astro) * Mohan * * Mylläri * Multi-Landy * * Pinpoint Astro (see Astro) * Pottage, * * * * * * (see Astro) * * * , * * * Suction, , * Supernatural * * *
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. * * Aspro * Asptro, a hybrid of Astro and Aspro * Astro, Modified Astro, Pinpoint Astro, , Roth-Stone Astro * * * Bergen over 1NT (see DONT) * Blue Club transfers (see ) * Brozel * , * * Cappelletti, , * * CHASM * Comfy Canapé or CoCa * CRASH (aka CRO) * * DONT, * (aka Super Convention) * * * * * (see Astro) * Hamilton * Hello * * Landy * Lionel * * Meckwell * Meyerson * Modified Astro (see Astro) * Mohan * * Mylläri * Multi-Landy * * Pinpoint Astro (see Astro) * Pottage, * * * * * * (see Astro) * * * , * * * Suction, , * Supernatural * * * * * * * * See also and * * * * Woolsey (en)
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. * * Aspro * Asptro, a hybrid of Astro and Aspro * Astro, Modified Astro, Pinpoint Astro, , Roth-Stone Astro * * * Bergen over 1NT (see DONT) * Blue Club transfers (see ) * Brozel * , * * Cappelletti, , * * CHASM * Comfy Canapé or CoCa * CRASH (aka CRO) * * DONT, * (aka Super Convention) * * * * * (see Astro) * Hamilton * Hello * * Landy * Lionel * * Meckwell * Meyerson * Modified Astro (see Astro) * Mohan * * Mylläri * Multi-Landy * * Pinpoint Astro (see Astro) * Pottage, * * * * * * (see Astro) * * * , * * * Suction, , * Supernatural * * * (en)