Opening the Bidding Flashcards
Opening The Bidding
1C
13-21 Points
No 5-card Major
3+ clubs
May be borderline
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1D
13-21 Points
No 5-card Major
3+ diamonds
May be borderline
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1H
13-21 Points
5+ hearts
May be borderline
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1NT
15-17 HCP
Balanced
May be 14 with 5-card suit
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1S
13-21 Points
5+ spades
May be borderline
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2C
22+ Points or 9+ Tricks
Strong, artificial, any shape
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2D
5-10 Points
Good 6-card diamond suit
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2H
5-10 Points
Good 6-card heart suit
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2NT
20-21 HCP
Balanced
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2S
5-10 Points
Good 6-card spade suit
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3C
Less than opening bid
Good 7-card club suit
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3D
Less than opening bid
Good 7-card diamond suit
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3H
Less than opening bid
Good 7-card heart suit
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3NT
Partnership agreement; eg
25-27 HCP
or
Gambling 7-card or 8-card minor suit
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3S
Less than opening bid
Good 7-card spade suit
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4C
Less than opening bid
Good 8-card or longer club suit
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4D
Less than opening bid
Good 8-card or longer diamond suit
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4H
Less than opening bid
Good 8-card or longer heart suit
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4NT
25+ HCP
Blackwood
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4S
Less than opening bid
Good 8-card or longer spade suit
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5C
Less than opening bid
Good 9-card or longer club suit
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5D
Less than opening bid
Good 8-card or longer diamond suit
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Borderline
1st & 2 may be Guideline 20
3rd may be light
4th may be Guideline 15
NT may be 14+ w/ 5-card suit
Good Suit definition
2 of top 3: A-Q-x-x-x-x
or
3 of top 5: Q-J-10-x-x-x-x
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Guideline of 15
In borderline cases in 4th position, add HCP to number of cards in spade suit. If total is 15 or more consider opening.
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Guideline of 20
In borderline cases in 1st or 2nd position, add HCP to cards in two longest suits. If total is 20 or more consider opening.
Opening The Bidding
Priorities at one level
- Open 1NT if balanced 15-17
- Open 5+ card major
- Open longer minor
Balanced = 4333 / 4432 / 5332
NT may include 5-card major
NT may add 1 for 5-card suit
Open high 5+ suit, low 4 suit
Open 1D with 4-4 minors
Open 1C with 3-3 minors