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