Difference between revisions of "User:Brian/Bridge/Rebids after a 2NT opening"

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(Created page with "See Responding to a 1NT opening for an explanation of the Stayman convention and Jacoby transfers. This page should also be...")
 
 
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This page should also be used after a 2♣ - 2♦ - 2NT "delayed 2NT opening", which shows a balanced hand with 22-24 HCP.
 
This page should also be used after a 2♣ - 2♦ - 2NT "delayed 2NT opening", which shows a balanced hand with 22-24 HCP.
  
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==Stayman sequences==
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==Without interference==
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If partner responded 3♣, it is Stayman, asking for a 4-card major.
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{|class="wikitable"
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|+ Meanings of partner's responses
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! The following response to 2NT... !! means...
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|-
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| 3♣  
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| The Stayman convention, showing invitational or greater strength and asking for a 4 card major. To respond, see the table below.
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|-
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| 3♦
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| A Jacoby transfer, showing 5+ hearts and asking you to bid hearts so you become declarer. Announce "transfer", then bid 3♥. If partner bids again, see the table below.
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|-
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| 3♥
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| A Jacoby transfer, showing 5+ spades and asking you to bid spades so you become declarer. Announce "transfer", then bid 3♠. If partner bids again, see the table below.
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|-
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| 3NT
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| To play.
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|-
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| 4NT, 5NT, 6NT, or 7NT
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| A [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]; respond accordingly or pass.
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|-
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| 4♣
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| [[User:Brian/Bridge/Responding to Gerber|Gerber]], asking for aces.
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|-
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| 4♦
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| 6+ hearts and game-forcing strength, asking you to bid hearts so you become declarer. Announce "transfer", then bid 4♥.
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* Most of the time, partner will pass.
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* If partner bids again, it is a slam try: either a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Responding to Blackwood|Blackwood]].
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|-
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| 4♥
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| Like 4♦, but a transfer to spades instead.
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|}
  
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I have 4+ hearts → Bid 3♥.
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{|class="wikitable"
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|+ Responses to Stayman
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! If... !! then...
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|-
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| I have 4+ hearts
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| Bid 3♥.
 
* If partner responds 3NT, it means they have 4 spades, 3- hearts, and game-forcing strength. Pass to deny 4-card spade support, or raise to 4♠ with 4+ spades.
 
* If partner responds 3NT, it means they have 4 spades, 3- hearts, and game-forcing strength. Pass to deny 4-card spade support, or raise to 4♠ with 4+ spades.
 
* If partner responds 4♥, it is a sign-off. Pass.
 
* If partner responds 4♥, it is a sign-off. Pass.
 
* Any other response by partner shows suit agreement and is a slam try: either a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]].
 
* Any other response by partner shows suit agreement and is a slam try: either a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]].
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|-
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I have 4+ spades → Bid 3♠.
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| I have 4+ spades
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| Bid 3♠.
 
* If partner responds 3NT, it means their 4-card major was hearts. You already denied 4 hearts, so this is a sign-off bid. Pass.
 
* If partner responds 3NT, it means their 4-card major was hearts. You already denied 4 hearts, so this is a sign-off bid. Pass.
 
* If partner responds 4♠, it is a sign-off. Pass.
 
* If partner responds 4♠, it is a sign-off. Pass.
 
* Any other response by partner shows suit agreement and is a slam try: either a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]].
 
* Any other response by partner shows suit agreement and is a slam try: either a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]].
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|-
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I have no 4-card major: Bid 3♦.
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| I have no 4-card major
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| Bid 3♦.
 
* If partner responds 3NT, it is a sign-off. Pass.
 
* If partner responds 3NT, it is a sign-off. Pass.
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* If partner responds 3 of a major, it is a Smolen transfer, showing 4 of the bid major and '''5 of the other major''' (oM). With 3-card support for oM, raise to 4oM; any subsequent bid by partner is a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]]. Lacking 3-card support for oM, rebid 3NT; any subsequent bid by partner is a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
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* If partner responds 3 of a major, it is a Smolen transfer, showing 4 of the bid major and '''5 of the other major''' (oM). Alert partner's bid. With 3-card support for oM, raise to 4oM; any subsequent bid by partner is a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]]. Lacking 3-card support for oM, rebid 3NT; any subsequent bid by partner is a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
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|}
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===Transfer sequences===
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My partner bid 3♦ (showing 5 hearts) or 3♥ (showing 5 spades) → Announce "transfer" and accept the transfer by bidding 3M.
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* If partner rebids 3NT, they have exactly 5 of the major. Pass or sign off in 4M with 3-card support.
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* If partner rebids notrump at a higher level, it is a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]] and shows exactly 5 of the major. Pass or sign off in notrump lacking 3-card support, or sign off in partner's major with 3-card support.
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My partner bid 4♦ (showing 6+ hearts) or 4♥ (showing 6+ spades) → Announce "transfer" and accept the transfer by bidding 4M. Usually, partner will pass. If partner bids again, it is a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]].
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===Other responses===
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My partner responded notrump → This is a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]. Most commonly, this will be 3NT, to play.
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My partner responded 4♣ → See [[User:Brian/Bridge/Responding to Gerber|Responding to Gerber]].
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{|class="wikitable"
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|+ Rebids after accepting a Jacoby transfer
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! If... !! then...
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|-
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| Partner rebid 3NT
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| They have exactly 5 of the major. With 3-card support, sign off in 4 of the major. Otherwise, pass.
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|-
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| Partner rebid notrump at the 4 level or higher
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| It is a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]] and shows exactly 5 of the major. Lacking 3-card support, pass or sign off in notrump. With 3-card support, sign off in partner's major at the appropriate level.
 +
|}

Latest revision as of 06:36, 26 June 2017

See Responding to a 1NT opening for an explanation of the Stayman convention and Jacoby transfers.

This page should also be used after a 2♣ - 2♦ - 2NT "delayed 2NT opening", which shows a balanced hand with 22-24 HCP.

Without interference

Meanings of partner's responses
The following response to 2NT... means...
3♣ The Stayman convention, showing invitational or greater strength and asking for a 4 card major. To respond, see the table below.
3♦ A Jacoby transfer, showing 5+ hearts and asking you to bid hearts so you become declarer. Announce "transfer", then bid 3♥. If partner bids again, see the table below.
3♥ A Jacoby transfer, showing 5+ spades and asking you to bid spades so you become declarer. Announce "transfer", then bid 3♠. If partner bids again, see the table below.
3NT To play.
4NT, 5NT, 6NT, or 7NT A quantitative raise; respond accordingly or pass.
4♣ Gerber, asking for aces.
4♦ 6+ hearts and game-forcing strength, asking you to bid hearts so you become declarer. Announce "transfer", then bid 4♥.
  • Most of the time, partner will pass.
  • If partner bids again, it is a slam try: either a control bid or Blackwood.
4♥ Like 4♦, but a transfer to spades instead.
Responses to Stayman
If... then...
I have 4+ hearts Bid 3♥.
  • If partner responds 3NT, it means they have 4 spades, 3- hearts, and game-forcing strength. Pass to deny 4-card spade support, or raise to 4♠ with 4+ spades.
  • If partner responds 4♥, it is a sign-off. Pass.
  • Any other response by partner shows suit agreement and is a slam try: either a control bid or Blackwood.
I have 4+ spades Bid 3♠.
  • If partner responds 3NT, it means their 4-card major was hearts. You already denied 4 hearts, so this is a sign-off bid. Pass.
  • If partner responds 4♠, it is a sign-off. Pass.
  • Any other response by partner shows suit agreement and is a slam try: either a control bid or Blackwood.
I have no 4-card major Bid 3♦.
  • If partner responds 3NT, it is a sign-off. Pass.
  • If partner responds 3 of a major, it is a Smolen transfer, showing 4 of the bid major and 5 of the other major (oM). Alert partner's bid. With 3-card support for oM, raise to 4oM; any subsequent bid by partner is a control bid or Blackwood. Lacking 3-card support for oM, rebid 3NT; any subsequent bid by partner is a quantitative raise.
Rebids after accepting a Jacoby transfer
If... then...
Partner rebid 3NT They have exactly 5 of the major. With 3-card support, sign off in 4 of the major. Otherwise, pass.
Partner rebid notrump at the 4 level or higher It is a quantitative raise and shows exactly 5 of the major. Lacking 3-card support, pass or sign off in notrump. With 3-card support, sign off in partner's major at the appropriate level.
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