2 over 1 GF

Default principles
Offensive bidding
Bidding diagrams
1      3+
 1    Nat, Walsh
 1    Nat, Walsh
 1NT    Nat, 6-11
 2    Inverted
 2    Weak
 2    Weak
 2    Weak
 3    5(4)+, max 10 hcp

1      3+
 1NT    Nat
 2    Inverted
 3    4+, max 10 hcp

1      5+
 1NT    Nat, F1
 2NT    GF, Stenberg

1      5+

1NT      15-17, 5-card Major and 6-card minor allowed

2      Forcing

2      Weak
 2    Nat, NF
 2    Nat, NF
 2NT    F1, asking for stopper
 3    Nat, Forcing
 3    Nat, Forcing
 3NT    To play

2      Weak
 2NT    Asking for shortage

2      Weak
 2NT    Asking for shortage

2NT      20-21 bal
 3    Puppet Stayman
 3    Transfer
 3    Transfer
 3    ??
 3NT    To play
 4    Transfer to
 4    Transfer to
 4    Slammish with
 4    Slammish with
 4NT    Quantitative

3      Preempt

3      Preempt

3      Preempt

3      Preempt

3NT      Solid minor
 4    P/C
 4    P/C
 4    Nat
 4    Nat

Disturbed bidding
Bidding diagrams
1      3+
 1    Nat, Walsh
 1    Nat, Walsh
 1NT    Nat, 6-11
 2    Inverted
 2    Weak
 2    Weak
 2    Weak
 3    5(4)+, max 10 hcp

1      3+
 (1)    Nat
  D   4+
  1   1NT without stopper
 1NT    Nat
 2    Inverted
 3    4+, max 10 hcp

1      5+
 1NT    Nat, F1
 2NT    GF, Stenberg

1      5+

1NT      15-17, 5-card Major and 6-card minor allowed

2      Forcing

2      Weak
 2    Nat, NF
 2    Nat, NF
 2NT    F1, asking for stopper
 3    Nat, Forcing
 3    Nat, Forcing
 3NT    To play

2      Weak
 2NT    Asking for shortage

2      Weak
 2NT    Asking for shortage

2NT      20-21 bal
 3    Puppet Stayman
 3    Transfer
 3    Transfer
 3    ??
 3NT    To play
 4    Transfer to
 4    Transfer to
 4    Slammish with
 4    Slammish with
 4NT    Quantitative

3      Preempt

3      Preempt

3      Preempt

3      Preempt

3NT      Solid minor
 4    P/C
 4    P/C
 4    Nat
 4    Nat

Defensive bidding
Bidding diagrams
Udspil