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

A

splinter

19
Q

1NT - 2S

A

game force

20
Q

1NT - 2S - 2NT

A

4333

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
Q

1NT - 2S - 3NT

A

5-card D suit

26
Q

1NT - 2NT

A

transfer to C

if weak will pass or correct to D; with 5+D/4C can splinter with 3 of a major

27
Q

1NT - 2NT - 3C

A

completing transfer

28
Q

1NT - 2NT - 3C - 3D

A

to play in D

29
Q

1NT - 2NT - 3C - 3H

A

splinter with 5+D/4C

30
Q

1NT - 2NT - 3C - 3S

A

splinter with 5+D/4C

31
Q

1NT - 2S - 3S

A

5-card C suit

32
Q

Outline the bidding for major suits after a 1NT opener

A

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
Q

Responding to 1NT with 5H/4S

A

NF - 2C-2D-2H

F - 2D-2H-2S game forcing

34
Q

Responding to 1NT with 5S/4H

A

Bid 2C-2D-2S (forcing to at last 2NT)

35
Q

Respond to 1NT with 5/5 in the majors

A

Game : 2C-2D-4H (choose)

Invite : 2H-2S-3H

36
Q

Respond to 1NT with 6S/4H

A

2C-2D-3S game forcing

37
Q

Respond to 1NT with 6H/4S

A

2C-2D-3H game forcing