2 over 1 GF

Default principles
Offensive bidding
Bidding diagrams
Opening bids:
1 3+
1 3+
1 5+
1 5+
1NT 15-17, 5-card Major and 6-card minor allowed
2 Forcing
2 Weak
2 Weak
2 Weak
2NT 20-21 bal
3 Preempt
3 Preempt
3 Preempt
3 Preempt
3NT Solid minor


After bidding 1
  1     Nat, Walsh

  1     Nat, Walsh

  1NT     Nat, 6-11

  2     Inverted

  2     Weak

  2     Weak

  2     Weak

  3     5(4)+, max 10 hcp


After bidding 1
  1NT     Nat

  2     Inverted

  3     4+, max 10 hcp


After bidding 1
  1NT     Nat, F1

  2NT     GF, Stenberg


After bidding 2
  2     Nat, NF

  2     Nat, NF

  2NT     F1, asking for stopper

  3     Nat, Forcing

  3     Nat, Forcing

  3NT     To play


After bidding 2
  2NT     Asking for shortage


After bidding 2
  2NT     Asking for shortage


After bidding 2NT
  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


After bidding 3NT
  4     P/C

  4     P/C

  4     Nat

  4     Nat

Disturbed bidding
Bidding diagrams
1 3+
1 3+
1 5+
1 5+
1NT 15-17, 5-card Major and 6-card minor allowed
2 Forcing
2 Weak
2 Weak
2 Weak
2NT 20-21 bal
3 Preempt
3 Preempt
3 Preempt
3 Preempt
3NT Solid minor


After bidding 1
  1     Nat, Walsh

  1     Nat, Walsh

  1NT     Nat, 6-11

  2     Inverted

  2     Weak

  2     Weak

  2     Weak

  3     5(4)+, max 10 hcp


After bidding 1
  1     Nat
  D   4+
  1   1NT without stopper

  1NT     Nat

  2     Inverted

  3     4+, max 10 hcp


After bidding 1
  1NT     Nat, F1

  2NT     GF, Stenberg


After bidding 2
  2     Nat, NF

  2     Nat, NF

  2NT     F1, asking for stopper

  3     Nat, Forcing

  3     Nat, Forcing

  3NT     To play


After bidding 2
  2NT     Asking for shortage


After bidding 2
  2NT     Asking for shortage


After bidding 2NT
  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


After bidding 3NT
  4     P/C

  4     P/C

  4     Nat

  4     Nat

Defensive bidding
Bidding diagrams


After bidding 1
 (1) Nat
  D4+
  11NT without stopper

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