2-Over-1: Major Suit Raises – Part Four

With 13-16 Points and 4-Card Support

Many advocates of the 2/1 system use the "Jacoby 2 NT Forcing Raise" and "Splinter Raises". 

Jacoby 2 NT Forcing Raise:
• 4+ card support
• 13+ support points
• no void, no singleton

2-Over-1: Major Suit Raises – Part Three

With 13 to 16 points and 3-card support, first bid 2 in a new suit, then support opener’s major:

North:
♠ Q J 8                  South       North
♥ A 3                    1♠             2♦
♦ K Q 5 3 2           2 NT        3♠
♣ J 7 6 

2-Over-1: Major Suit Raises – Part Two

Responder Has 3- or 4-Card Support

With 11-12 points and 3-card support, first bid 1 NT then jump in opener’s major:

North:
♠ A 6 4              South         North
♥ K 8                1♠               1 NT
♦ 8 4 3 2            2♦               3♠
♣ K J 7 6