OPENING BIDS |
Opening bid |
Point range |
Min length |
Conventional Meaning |
Special Responses |
1C |
12*-21 |
3 |
See notes 1-2 |
1NT response 6-10 HCP non-forcing
|
1D |
12*-21 |
3 |
See notes 1-2 |
2NT response - see note 5
|
1H |
12*-21 |
5 |
See notes 1-2 |
2 over 1 change of suit 11+ |
1S |
12*-21 |
5 |
See notes 1-2 |
|
1NT |
15-17 |
|
|
Stayman, Jacoby (red suit) transfer |
2C |
22+ |
|
Strong, artificial |
See note 3 |
2D |
5-11 |
6 |
|
2NT is game interest. Opener bids |
2H |
5-11 |
6 |
|
a feature or 3NT if maximum.
|
2S |
5-11 |
6 |
|
Change of suit forcing.
|
2NT |
20-21 |
|
|
Stayman, other bids natural.
|
3NT |
25-27 |
|
|
Stayman, other bids natural.
|
3 bids |
6-10 |
7 |
Pre-emptive |
|
4 bids |
6-10 |
8 |
Pre-emptive |
|
OVERCALLS |
Simple |
Natural, wide-ranging. 8-16. Change of
suit by responder non-forcing |
Jump |
Weak - 6 card suit at 2 level. Usually
7 at 3 level. |
Cue Bid |
Michaels (see note 6) - but natural if
opps have bid 2 suits |
1NT Direct |
15-18, responses: Stayman, natural as
per 1NT opening |
1NT Protective |
10-15, responses: Stayman, natural as
per 1NT opening |
2NT Direct |
Unusual if a jump - see Note 6. Responses
are limit bids. |
2NT Protective |
See above |
SUPPLEMENTARY DETAILS |
Note 1 |
Balanced Hands not 15-17: |
With 4-4 in the minors, open 1D. With 3-3 in the minors, open 1C. 1D is only three cards if shape is 4432. |
Unbalanced Hands: |
Always open the longest suit |
With two five-card-or-longer suits, always open the higher |
Note 2 |
After a one-level response, 1NT = 13/16, 2NT = 19/21 |
Note 3 |
2C - 2D response is a relay
but other bids are positive and specific (2NT=8points balanced) |
2C - 2D - 2NT is 22-24 |
After 2C - 2D, bidding is forcing to 3 of opener's major or 4 of opener's minor. |
Note 4 |
Transfer breaks are only by jumping in the agreed suit |
1NT (No) 2S = Jacoby Transfer to 3C |
This will be passed or converted to 3D (to be passed), |
1NT (No) 2NT = Invitational to 3NT |
1NT (No) 3C or 3D are invitational to 3NT with a 6+card suit |
1NT (No) 3H or 3S are 6+ card suit with slam interest |
After 1NT (Dbl), Stayman and transfers apply |
After 1NT is overcalled, Stayman and transfers do not apply, but a cue bid is strong and Staymanic. |
Note 5 |
2NT response to 1H or 1S opening bid is Game Forcing, agreeing trumps, with slam interest |
Opener bids 3 of a non-trump suit to show a singleton or void, or else shows point count by. |
jump to 4 of trump suit to show max 14, 3NT 15-17, 3 of trump suit 18+. |
This convention does not apply after interference by opponents |
2NT response to 1C or 1D opening bid is 13-15 and forcing; 3NT response is 16-17 |
Note 6 |
Michaels Cue Bid / Unusual 2NT |
1C 2C or 1D 2D shows at least 5-5 in the majors, 8+ points |
1H 2H or 1S 2S shows at least 5-5 in the other major and one minor, 10+ points |
1 any 2NT shows at least 5-5 in the two lowest unbid suits |
Values range from enough for a minimum overcall up to a very strong hand |
Note 7 |
Gerber is used only directly when partner has opened or rebid 1NT or 2NT. 5C asks for kings. |