Notrump Bidding Criteria Summary
For the Practice Bidding Quiz
See the full Notrump Bidding page for more detail about the following.
BidBase opens 1N with
- a 5-card major when there is no convenient rebid after opening 1 of the major.
- two doubletons, even with one or both unstopped.
BidBase responses to 1N openings include
- Stayman, including Garbage Stayman.
- Jacoby Transfers.
- Texas Transfers
- 2
 relay to 3 /3
- 3-Level bids in all suits.
Stayman
1N - 2
2 - Opener has 4 hearts:
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2 - Pass = fewer than 8 HCP and 4 hearts
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2 - 3 = 8-9 HCP and 4 hearts; invitational
4 -  = good 16 to 17 HCP.
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2 - 4
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2 - 2N = 4 spades, <4 hearts, 8-9 HCP
2 - 2 = 5 spades, 4 hearts, 8-9 HCP
2 - 3 = 6+, forcing to game.
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1N - 2
2 - Opener has no 4-card majors
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2 - 2N = invitational, 8-9 HCP.
2 - 3N = to play. 10-15 HCP.
2 - 4N = invites slam. 16 - 17 HCP
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Bidding is the same for spades.
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