One No Trump opener Flashcards

1
Q

1 No Trump opener

A

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

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2
Q

1NT - 2C

A

Stayman (non-promissory)

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3
Q

1NT - 2C - 2D

A

Denying 4-card major

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4
Q

1NT - 2C - 2D - 2H

A

4S/5H not forcing

to force use 2D transfer first 1C-2D-2H-2S

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5
Q

1NT - 2C - 2D - 2S

A

5S/4H forcing to at least 2NT

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6
Q

1NT - 2C - 2D - 2NT

A

Invitational to 3NT

4-card major not shown. Non-promissory Stayman used to invite

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7
Q

1NT - 2C - 2D - 3C

A

game force

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8
Q

1NT - 2C - 2D - 3D

A

game force

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9
Q

1NT - 2C - 2D - 3H

A

game force 6H/4S

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10
Q

1NT - 2C - 2D - 3S

A

game force 6S/4H

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11
Q

1NT - 2C - 2D - 3NT

A

to play

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12
Q

1NT - 2D - 2H

A

transfer to H

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13
Q

1NT - 2D - 2H - 2S

A

2S 4S/5H game forcing

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14
Q

1NT - 2D - 2H - 3H

A

Invitational

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15
Q

1NT - 2H

A

transfer to S

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16
Q

1NT - 2H - 2S

A

completing transfer

17
Q

1NT - 2H - 2S - 3H

A

5/5 invitational

18
Q

1NT - 2H - 2S - 4H

19
Q

1NT - 2S

A

game force

20
Q

1NT - 2S - 2NT

21
Q

1NT - 2S - 2NT - 4H

A

5/5 in majors. Is this right ? Redundant with 2C Route or showing stronger hand. Isn’t 2S looking for 4/4 fits ?

22
Q

1NT - 2S - 3C

A

lowest of 2 x 4-card suits

23
Q

1NT - 2S - 3D

A

lowest of 2 x 4-card suits

24
Q

1NT - 2S - 3H

A

lowest of 2 x 4-card suits

25
1NT - 2S - 3NT
5-card D suit
26
1NT - 2NT
transfer to C | if weak will pass or correct to D; with 5+D/4C can splinter with 3 of a major
27
1NT - 2NT - 3C
completing transfer
28
1NT - 2NT - 3C - 3D
to play in D
29
1NT - 2NT - 3C - 3H
splinter with 5+D/4C
30
1NT - 2NT - 3C - 3S
splinter with 5+D/4C
31
1NT - 2S - 3S
5-card C suit
32
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 ```
33
Responding to 1NT with 5H/4S
NF - 2C-2D-2H | F - 2D-2H-2S game forcing
34
Responding to 1NT with 5S/4H
Bid 2C-2D-2S (forcing to at last 2NT)
35
Respond to 1NT with 5/5 in the majors
Game : 2C-2D-4H (choose) | Invite : 2H-2S-3H
36
Respond to 1NT with 6S/4H
2C-2D-3S game forcing
37
Respond to 1NT with 6H/4S
2C-2D-3H game forcing