SAYC
Respon

1 NT : 15 - 17 Balance, Semi Balance
Respon : 2 C : Stayman
2 D : Transfer Heart
2 H : Transefer Spade
2 S : Transfer Minor
2 NT : Invite

2 NT : 20 - 21 Balance, Semi Balance
Respon : 3 C : Stayman
3 D : Transfer Heart
3 H : Transefer Spade
3 S : Transfer Minor
3 NT : Sing off

2 C : 22 - 24 Notrump distribution
Respon : 2 D : Waiting
2 H : 5+ card
2 S : 5+ card
2 NT : Balance
3 C : 5+ card
3 D : 5+ card

Opening Bids

1 H / S 13 - 22 5 card major

1 C / D 13 - 22 No 5 card major

1 NT 5 - 17 Balance, Semi Balance

2 NT 20 - 21 Balance, Semi Balance

2 C 22 - 24 Balance, Semi Balance

23 up 5 card suit

3 NT 25 Up Balance, Semi Balance

2 D / H / S 3 - 11 6 card suit

3 C / D / H / S 3 - 11 7 card suit