1 NT Opening:   12-15 HCP

4-3-3-3. 4-4-3-2 or 5-3-3-2 

can have 5 card major

2§=  invitational, asking for majors

    2¨=  at least one 4 card major, 12-13 HCP

    2©/ª=  5 cards

    2NT=  no  4+ card major, 12-13 HCP

    3§/¨= 5 cards, 14-15 HCP

    3©/ª=  4 card suit, 14-15 HCP

    3NT=  other hands, 14-15 HCP

2¨=  game forcing, asking for 5 card major

    2©/ª =  5 cards

    2NT=  no 5 card major suit

            3§ = Stayman

                    3¨ =  no 4 card major

                            3©/ª=  5+ cards

                    3©/ª=  4 cards

            3¨/©/ª=  5+ cards

            3 NT =sign off 

2©/ª=  5+ cards, sign off     

2NT=  invitational 

3§/¨/©/ª=  7 cards, preemptive  

3NT= sign off

4§/¨/©/ª=  8 cards, preemptive

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