Hand evaluation Defensive signals Glossary Partnership bidding Openings Preemptive openings Balancing openings 1♠ and 1♥ openings Semiforcing 1NT Forcing 2/1 1♦ and 1♣ openings 1♦ response 1♠/♥ responses Slam bidding Strong notrump openings Stayman Transfers Competitive bidding Opened 1♦/♣ Opened 1NT Cooperative double Lebensohl Defensive bidding Over 1 of a suit