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1 NT openings
Review and intro to competitive bidding
What does 1 NT opening mean
1 NT opening shows 15 to 17 high card points Balanced Hand
No singletons or voids No 2 doubletons
No need to have stoppers in all suits E.g.: S AJx, H KQ9x, D KQx, C xx : open 1NT
Prefer to open 1N if hand satisfies above criteria, even if hand fits some other opening bid
Responses
Pass = Weak balanced hand, <7 hcp 2D/2H/2S = 5+ cards in bid suit, <8 hcp
Sign-off, asking opener to pass 2N = Good 8 or 9 points, invite to 3N 3 of a suit = 6 card suit or good 5 card suit
Game force, possible slam try in that suit 4H/4S = To play, 6+ cards 2C = Stayman, asks opener to bid 4 card
major suit if she has one
Rebids by opener
After 3 of a suit Bid 3N with no support for responder’s suit With support, cue-bid a suit where you have a
control (A or K) If unable to cue-bid, raise to 4 of the suit, with
some ruffing value After Stayman
Bid 2M with a 4 card major (with both, start with 2H)
Bid 2D without a 4 card major
Rebids by responder
After Stayman Opener bids 2M
3M = game invite 2N = game invite (shows other major suit) 3N = to play (shows other major suit) 3C = sign-off in clubs (long clubs, and few points) 3D = shows 5+ cards in bid suit, with 4 of the other major,
forcing to game Opener bids 2D
2N = game invite 3N = to play 3C = sign-off in clubs (long clubs, and few points) 3D = shows 5+ cards in bid suit with 4 of one major 2M = invitational with 5 cards in bid major
Examples
S xx H KQ8xx D QJx C xx : Partner opens 1N and you bid 2C Partner bids 2D : Bid 2H, showing invite with 5 Hearts Pd bids 2H : Raise to 4H Pd bids 2S : Bid 2N
S Axx H AJ9x D AJxx C Kx : You open 1N, pd bids 2C, you bid 2H Pd bids 2S : Raise to 4S (pd showed invite with 5 spades) Pd bids 2N : Raise to 3N (pd showed invite with 4 spades) Pd bids 3C : Bid 3N (pd showed 4 spades and 5+ clubs) Pd bids 3D : Cue-bid 3H (shows great D support and a H
control) Pd bids 3N : Pass and declare!
Competitive bidding by responder
Partner opens 1N, RHO bids 2H. Now what? X = For take-out. Shows invite+ values and other
suits NT bids = As before, promise stopper 2S = competitive, non-forcing New suit at 3 level = 5+ cards, forcing to game