One Club opener Flashcards
1C - 1D
0-7
Exceptions :
6-card good major (4-7)
7-card suit to 2 top honours (de facto 5-7)
1C- 1H
8-10 points and an undisclosed 5-card suit
or suits
1C - 1S
8+ points and 4432 or 4333 distribution
1C - 1NT
“Multi”
Either weak 2 in major
or
8+ 4441 or 5440
1C - 2C
11+ 5-card C or D suit
(If 2-suited -
- bid 2S with 5/4 in the minors (3/1 majors, or 1NT
if 5440),
- bid 2C with 5/5 or 6/4 and clarify after 2D relay
with 2NT (5/5) or 3-level bid with 6/4)
1C - 2D
11+ 5-card H suit
submarine bid
1C - 2H
11+ 5-card S suit
submarine bid
1C - 2S
11+ 5/4 minors (and 3/1 in the majors)
(This is the only 2-suited response in the 11+ range)
(With 5/5 or 6/4 in the minors bid 2C and clarify after 2D relay with 2NT (5/5) or 3-level bid with 6/4)
Compare 8-10 1C-1H-1S-2S also 5/4 (3/1)
1C - 2NT
8-10 points and 5/5 major and minor
This is the only 2-suited response in the 8-10 range
1C - 3C
5-7 points, 7-card D suit, 2 of top 3 honours
submarine bid
1C - 3D
5-7 points, 7-card H suit, 2 of top 3 honours
submarine bid
1C - 3H
5-7 points, 7-card S suit, 2 of top 3 honours
submarine bid
1C - 3S
5-7 points, 7-card C suit, 2 of top 3 honours
submarine bid
1C - 1D - 1H - 1S
Balanced or 3H or 0-4 weak
With a S suit and 5-7, bid 1NT (without 3H support)
1C - 1D - 1H - 1NT
5-7 points, 5-card S suit (or poor 6), denies 3H
1NT replacing artificial 1S bid
1C - 1D - 1H - 2C
5-7 points, 5-card C suit, denies 3H
no submarine, both C & D already bid
1C - 1D - 1H - 2D
5-7 points, 5-card D suit, denies 3H
no submarine, both C & D already bid
1C - 1D - 1H - 2H
5-7 points, 5/5 in the majors
After 1C-1D-1H, there are three 2-suited responses
- 2H 5/5 majors,
- 2S 5/5 minors,
- 2NT 5S/4H
1C - 1D - 1H - 2S
5-7 points, 5/5 in the minors
After 1C-1D-1H, there are three 2-suited responses
- 2H 5/5 majors,
- 2S 5/5 minors,
- 2NT 5S/4H
1C - 1D - 1H - 2NT
5-7 points, 5S and 4H
After 1C-1D-1H, there are three 2-suited responses
2H 5/5 majors, 2S 5/5 minors, 2NT 5S/4H
1C - 1D - 1H - 1S - 1NT
16-19 balanced
1NT here does not contain a 5-card suit
1C - 1D - 1H - 1S - 2H
5+H
(no 2nd suit as covered by other bids)
(with 6H, bid 3H if strong enough to do so over 1D)
1C - 1D - 1H - 1S - 3H
6H stronger than minimum, given responder has shown nothing
1C - 1D - 1H - 1S - 2C
5H 4C
1H not followed by 1NT so must have H suit
1C - 1D - 1H - 1S - 2D
5H 4D
1H not followed by 1NT so must have H suit
1C - 1D - 1H - 1S - 3C
5H 5C
1H not followed by 1NT so must have H suit, jump shows side suit is 5+ not 4
1C - 1D - 1H - 1S - 3D
5H 5D
1H not followed by 1NT so must have H suit, jump shows side suit is 5+ not 4
1C - 1D - 1H - 1S - 3S
6H 5S no outside losers
1C - 1D - 1H - 1S - 4C
6H 5C no outside losers
2C would show 5/4 and 3C 5/5
1C - 1D - 1H - 1S - 4D
6H 5D no outside losers
2D would show 5/4 and 3D 5/5
1C- 1D - 1H - 2H - 2NT
Asking for strength and shape
Bid the shortage (minimum) or equivalent (maximum)
1C - 1D - 1H - 2H - 2NT - 3C
Step 1 - minimum, shortage in C
Bid the shortage (minimum) or equivalent (maximum)
1C - 1D - 1H - 2H - 2NT - 3H
Step 3 - maximum, shortage in C
Bid the shortage (minimum) or equivalent (maximum)
1C- 1D - 1H - 2H - 2NT - 3S
Step 4 - maximum, shortage in D
Bid the shortage (minimum) or equivalent (maximum)
1C- 1D - 1H - 2H - 2NT - 3D
Step 2 - minimum, shortage in D
Bid the shortage (minimum) or equivalent (maximum)
1C- 1D - 1H - 2S - 2NT
Asking for strength and shape (2S showing 5/5 minors)
Bid the shortage (maximum) or equivalent (minimum)
1C- 1D - 1H - 2S - 2NT - 3C
Step 1 - minimum, shortage in H
Bid the shortage (maximum) or equivalent (minimum)
1C- 1D - 1H - 2S - 2NT - 3D
Step 2 - minimum, shortage in S
Bid the shortage (maximum) or equivalent (minimum)
1C- 1D - 1H - 2S - 2NT - 3H
Step 3 - maximum, shortage in H
Bid the shortage (maximum) or equivalent (minimum)
1C- 1D - 1H - 2S - 2NT - 3S
Step 4 - maximum, shortage in S
Bid the shortage (maximum) or equivalent (minimum)
1C - 1D - 1S
S suit, 5+
A natural bid !
1C - 1D - 1NT
C suit, 5+
submarine bid - can be completed with weak hands
1C - 1D - 2C
D suit, 5+
submarine bid - can be completed with weak hands
1C - 1D - 2D
5H 4S non-forcing
forcing equivalent is 1C - 1D - 1H - 1S - 2S
1C - 1D - 2H
Game force, starts trump asking sequence
1C - 1D - 2S
Game force, starts trump asking sequence
1C - 1D - 2NT
20-21
1C - 1D - 3NT
26-27
1C - 1D - 1H - 1S - 2NT
24-25
1C - 1D - 1H - 1S - 3NT
28-29
1C - 1D - 3C
Very strong. Game force and slam interest
1C - 1D - 3D
Very strong. Game force and slam interest
1C - 1D - 3H
Very strong. Game force and slam interest
1C - 1D - 3S
Very strong. Game force and slam interest
1C - 1D - 1S - pass
0-3
1C - 1D - 1S - 1NT
4-7 balanced
1C - 1D - 1S - 2C
4-7, 5C
1C - 1D - 1S - 2D
4-7, 5D
1C - 1D - 1S - 2H
4-7, 5H
1C - 1D - 1S - 2S
4-7 raise
1C - 1D - 1S - 2NT
4-7, 5/5 minors
After 1C-1D-1S there is one 2-suited response
1C - 1D - 1S - 3C
S support and fair 6-card suit
1C - 1D - 1S - 3D
S support and fair 6-card suit
1C - 1D - 1S - 3H
S support and fair 6-card suit
1C - 1D - 1NT - 2C
0-3
1C - 1D - 1NT - 2D
!!! 4-7 denies 5-card major
not necessarily showing D or denying C support
1C - 1D - 1NT - 2H
4-7, 5H
1C - 1D - 1NT - 2S
4-7, 5S
1C - 1D - 1NT - 3C
!!! 4-7, showing 5D (!)
To show C, bid 2D (non-descriptive) followed by C support
1C - 1D - 1NT - 3D
4-7, C support and fair 6-card suit
1C - 1D - 1NT - 3H
4-7, C support and fair 6-card suit
1C - 1D - 1NT - 3S
4-7, C support and fair 6-card suit
1C - 1D - 1NT - 2NT
4-7, 5S/4H
After 1C-1D-1NT there is one 2-suited response
1C - 1D - 2C - 2D
0-3
1C - 1D - 2C - 2H
4-7, 4+H
1C - 1D - 2C - 2S
4-7, 4+S
1C - 1D - 2C - 2NT
4-7, 5S/4H
After 1C-1D-2C there is one 2-suited response
1C - 1D - 2C - 3C
5-7, 5-card suit
1C - 1D - 2C - 3D
4-7 D support.
Denies 4-card major or 5C
1C - 1D - 2C - 3H
4-7, D support and fair 6-card suit
1C - 1D - 2C - 3S
4-7, D support and fair 6-card suit
1C - 1D - 2D - 2H
0-4
1C - 1D - 2D - 2S
0-4
1C - 1D - 2D - 2NT
5-7 no fit
1C - 1D - 2D - 3C
5-7, C suit
1C - 1D - 2D - 3D
5-7, D suit
1C - 2NT - 3C
Asks
1C - 2NT - 3C - 3D
Step 1 - C & H
ascending order of minors then majors
1C - 2NT - 3C - 3H
Step 2 - C & S
ascending order of minors then majors
1C - 2NT - 3C - 3S
Step 3 - D & H
ascending order of minors then majors
1C - 2NT - 3C - 3NT
Step 4 - D & S
ascending order of minors then majors
1C - 1H - 1S - 1NT
C suit
1C - 1H - 1S - 2C
D suit
1C - 1H - 1S - 2D
H suit
1C - 1H - 1S - 2H
S suit
1C - 1H - 1S - 2S
Minors 5/4 (3/1 majors)
8-10 (with 11+ bid 2S over 1C)
1C - 1H - 1S - 2NT
Minors 5/5
1C - 1H - 1S - 3C
6D 4 in other suit (3D will ask)
1C - 1H - 1S - 3D
6C 4H
1C - 1H - 1S - 3H
6C 4S
1C - 1H - 1S - 3S
6C 4D
1C - 1H - 1S - 3C - 3D
Asking for 4-card suit
1C - 1H - 1S - 3C - 3D - 3H
6D 4S
1C - 1H - 1S - 3C - 3D - 3S
6D 4C
1C - 1H - 1S - 3C - 3D - 3NT
6D 4H
1C - 1H - 1NT
5C and 5 major
1C - 1D - 1H - 1S - 1NT - 2S
5-7 Both minors 5/4, upper range