SUMMARY 14. BASIC CONVENTIONS

a) Stayman convention : Two clubs inquiring for a major after partner's 1NT opening

 2   no 4+ card major and 15-16 HCP

 2   4+ cards in hearts

 2   4+ cards in spades

 2NT   no 4+ card major and 17+ HCP

 3   two 4+ card majors and 15-16 HCP

 3   two 4+ card majors and 17+ HCP

b) Gerber convention : Four clubs inquiring for aces after partner's 1NT opening

 4   0 ou 4 aces

 4   1 ace

 4   2 aces

 4NT   3 aces

c) Ace-showing responses to partner's strong opening

 2   0 ace and 0-7 HCP

 2   ace of hearts

 2   ace of spades

 2NT   0 ace and 0-7 HCP

 3   ace of clubs

 3   ace of diamonds

 3   2 red aces

 3   2 black aces

 3NT   1 red ace and 1 black ace

b) Blackwood convention : 4NT inquiring for aces

 5   0 ou 4 aces

 5   1 ace

 5   2 aces

 5   3 aces