0314: Roman Key Card Blackwood 0314. (In response to a 4NT key card ask, 5C shows 0 or 3 key cards and 5D shows 1 or 4.)
1430: Roman Key Card Blackwood 1430. (In response to a 4NT key card ask, 5C shows 1 or 4 key cards and 5D shows 0 or 3.)
4SF / FSF: Fourth Suit Forcing.
AC: Appeals committee
ACBL: American Contract Bridge League
Acol: a popular British system based on simple, natural bidding, four-card majors, weak or
split notrump openings.
Acol two-bid: a strong (forcing) opening bid suggesting distributional strength
Adv: Advanced.
Advanced: In reference to a player who frequently plays in regional or national tournaments and is comfortable with advanced playing techniques such as endplays, mandatory falsecards and
basic types of squeezes.
AI: Authorised information
BAL: Balanced hand