One No Trump opener Flashcards
1 No Trump opener
13-15 except 10-12 in favourable seats and vulnerabilities
(Seats 1-2 NV and Seat 3 NV v V only)
Can be 5-card minor, but not major
1NT - 2C
Stayman (non-promissory)
1NT - 2C - 2D
Denying 4-card major
1NT - 2C - 2D - 2H
4S/5H not forcing
to force use 2D transfer first 1C-2D-2H-2S
1NT - 2C - 2D - 2S
5S/4H forcing to at least 2NT
1NT - 2C - 2D - 2NT
Invitational to 3NT
4-card major not shown. Non-promissory Stayman used to invite
1NT - 2C - 2D - 3C
game force
1NT - 2C - 2D - 3D
game force
1NT - 2C - 2D - 3H
game force 6H/4S
1NT - 2C - 2D - 3S
game force 6S/4H
1NT - 2C - 2D - 3NT
to play
1NT - 2D - 2H
transfer to H
1NT - 2D - 2H - 2S
2S 4S/5H game forcing
1NT - 2D - 2H - 3H
Invitational
1NT - 2H
transfer to S
1NT - 2H - 2S
completing transfer
1NT - 2H - 2S - 3H
5/5 invitational
1NT - 2H - 2S - 4H
splinter
1NT - 2S
game force
1NT - 2S - 2NT
4333
1NT - 2S - 2NT - 4H
5/5 in majors. Is this right ? Redundant with 2C Route or showing stronger hand. Isn’t 2S looking for 4/4 fits ?
1NT - 2S - 3C
lowest of 2 x 4-card suits
1NT - 2S - 3D
lowest of 2 x 4-card suits
1NT - 2S - 3H
lowest of 2 x 4-card suits
1NT - 2S - 3NT
5-card D suit
1NT - 2NT
transfer to C
if weak will pass or correct to D; with 5+D/4C can splinter with 3 of a major
1NT - 2NT - 3C
completing transfer
1NT - 2NT - 3C - 3D
to play in D
1NT - 2NT - 3C - 3H
splinter with 5+D/4C
1NT - 2NT - 3C - 3S
splinter with 5+D/4C
1NT - 2S - 3S
5-card C suit
Outline the bidding for major suits after a 1NT opener
No Trump majors
2C-2D 2H 4/5 NF 2S 5/4 F 2NT Invite NT 3H 4/6 GF 3S 6/4 GF 3NT To play 4H 5/5 choose 2D-2H 2S 4/5 F 1 2NT Invite 3H Invite 3S Splinter 3NT Choose 4C,D,H Splinter 4H To play 2H-2S 3H 5/5 invite 3S Invite 3NT Choose 4C,4D,4H Splinters
Responding to 1NT with 5H/4S
NF - 2C-2D-2H
F - 2D-2H-2S game forcing
Responding to 1NT with 5S/4H
Bid 2C-2D-2S (forcing to at last 2NT)
Respond to 1NT with 5/5 in the majors
Game : 2C-2D-4H (choose)
Invite : 2H-2S-3H
Respond to 1NT with 6S/4H
2C-2D-3S game forcing
Respond to 1NT with 6H/4S
2C-2D-3H game forcing