Favorite conventions and gadgets ...

Two Way Checkback

James Holzhauer, Patty Tucker and Gavin Wolpert's favorite convention.

Gazilli

Agustin Madala's favorite convention.

Jacoby 2NT

Helen Erichsen's favorite convention.

Last Train

Sock Ngin Tan's favorite convention.

Michaels Cue Bid

Audrey Grant's favorite convention.

Non Serious No Trump

Mihaela Balint, Simon de Wijs and Nikica Sver's favorite convention.

Roman Key Card Blackwood

Adam Grossack, Jacek Kalita and Jaggy Shivdasani's favorite convention.

Splinters

Kathrine Bertheau, Nicolai Heiberg-Evenstad, and Patricia Herrera's favorite convention.

Stayman

Ella Jacob and Signe Buus Thomsen's favorite convention.

Transfer bids

Katarzyna Dufrat and Anam Tebha's favorite convention.