Editing User:Brian/Bridge/Responding to a 1NT opening

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==Without interference==
 
==Without interference==
{|class="wikitable"
+
===With minimal strength===
|+Responding with minimal strength (8− HCP)
+
I have one 5+-card major → [[#Jacoby transfer|Transfer]] to the major.
! If... !! then...
+
|-
+
| I have one 5+-card major
+
| [[#Jacoby transfer|Transfer]] to the major.
+
 
* If partner accepts by bidding 2 of the major (the most common case), pass.
 
* If partner accepts by bidding 2 of the major (the most common case), pass.
 
* If partner superaccepts by bidding 3 of the major, re-evaluate your hand given the fit. You can either pass or, if your combined hands are now game-going, raise to the 4 level.
 
* If partner superaccepts by bidding 3 of the major, re-evaluate your hand given the fit. You can either pass or, if your combined hands are now game-going, raise to the 4 level.
|-
 
| I have 5+ cards in both majors
 
| Transfer to the better of your two majors using the above procedure, then pass.
 
|-
 
| Otherwise
 
| Pass.
 
|}
 
  
{|class="wikitable"
+
I have 5+ cards in both majors → Transfer to the better major using the above procedure, then pass.
|+Responding with invitational strength (9 HCP)
+
 
! If... !! then...
+
Otherwise → Pass.
|-
+
 
| I have a 6+-card major
+
===With invitational strength===
| Transfer to the major.
+
I have a 6+-card major → Transfer to the major.
 
* If partner accepts normally, rebid 3 of the major to invite. Partner will either pass or sign off by raising to the 4 level.
 
* If partner accepts normally, rebid 3 of the major to invite. Partner will either pass or sign off by raising to the 4 level.
 
* If partner superaccepts, sign off by raising to the 4 level.
 
* If partner superaccepts, sign off by raising to the 4 level.
|-
+
 
| I have 5-5 in the majors
+
I have 5-5 in the majors → Transfer to hearts by bidding 2♦.
| Transfer to hearts by bidding 2♦.
+
 
* If partner responds 2♥, rebid 2♠. Partner will either pass or sign off in 2NT, 3♥, 3♠, 3NT, 4♥, or 4♠, depending on their strength and distribution.
 
* If partner responds 2♥, rebid 2♠. Partner will either pass or sign off in 2NT, 3♥, 3♠, 3NT, 4♥, or 4♠, depending on their strength and distribution.
 
* If partner superaccepts by bidding 3♥, sign off by raising to the 4 level.
 
* If partner superaccepts by bidding 3♥, sign off by raising to the 4 level.
|-
+
 
| I have 5-4 in the majors
+
I have 5-4 in the majors → Bid 2♣ to ask partner for a 4-card major. This is called the '''Stayman convention''', though the 5-4 case is not the usual one.
| Bid 2♣ to ask partner for a 4-card major. This is called the '''Stayman convention''', though the 5-4 case is not the usual one.
+
 
* If partner responds 2 of a major, raise to the 3 level to invite. Partner will pass or sign off by raising to the 4 level.
 
* If partner responds 2 of a major, raise to the 3 level to invite. Partner will pass or sign off by raising to the 4 level.
 
* If partner responds 2♦, denying a 4-card major, rebid 2 of your 5-card major. Partner will sign off in 2NT, 3M, 3NT, or 4M, again depending on strength and distribution.
 
* If partner responds 2♦, denying a 4-card major, rebid 2 of your 5-card major. Partner will sign off in 2NT, 3M, 3NT, or 4M, again depending on strength and distribution.
|-
+
 
| I have a 5-card major
+
I have a 5-card major → Transfer to the major.
| Transfer to the major.
+
 
* If partner accepts normally, rebid 2NT to invite. Partner may pass or sign off in 3M, 3NT, or 4M.
 
* If partner accepts normally, rebid 2NT to invite. Partner may pass or sign off in 3M, 3NT, or 4M.
 
* If partner superaccepts, raise to the 4 level. Partner will pass.
 
* If partner superaccepts, raise to the 4 level. Partner will pass.
|-
+
 
| I have at least one 4-card major
+
I have at least one 4-card major → Bid 2♣, Stayman.
| Bid 2♣, Stayman.
+
 
* If partner responds 2♦, denying a 4-card major, rebid 2NT to invite. Partner will pass or sign off in 3NT.
 
* If partner responds 2♦, denying a 4-card major, rebid 2NT to invite. Partner will pass or sign off in 3NT.
 
* If partner responds 2 of your major, raise to the 3 level to invite. Partner will pass or sign off by raising to the 4 level.
 
* If partner responds 2 of your major, raise to the 3 level to invite. Partner will pass or sign off by raising to the 4 level.
 
* If partner responds 2♥ and you have 4+ spades and 3- hearts, rebid 2♠. Partner will sign off in 2NT, 3♠, 3NT, or 4♠.
 
* If partner responds 2♥ and you have 4+ spades and 3- hearts, rebid 2♠. Partner will sign off in 2NT, 3♠, 3NT, or 4♠.
 
* If partner responds 2♠ and you have 4+ hearts and 3- spades, rebid 2NT. Partner will pass or sign off in 3NT.
 
* If partner responds 2♠ and you have 4+ hearts and 3- spades, rebid 2NT. Partner will pass or sign off in 3NT.
|-
 
| Otherwise
 
| Bid 2NT. Partner will pass or sign off by raising to 3NT.
 
|}
 
  
{|class="wikitable"
+
Otherwise → Bid 2NT. Partner will pass or sign off by raising to 3NT.
|+Responding with game-forcing strength (10+ HCP)
+
 
! If... !! then...
+
===With game-forcing strength===
|-
+
I have a 6+-card major → Transfer to the major by bidding 4 of the suit below the major. This is called a '''Texas transfer'''. Partner will accept the transfer by signing off in 4 of your major.
| I have a 6+-card major
+
 
| Transfer to the major by bidding 4 of the suit below the major. This is called a '''Texas transfer'''. Partner will accept the transfer by signing off in 4 of your major.
+
I have 5-5 in the majors → Transfer to spades by bidding 2♥.
|-
+
| I have 5-5 in the majors
+
| Transfer to spades by bidding 2♥.
+
 
* If partner accepts normally, rebid 3♥. Partner will sign off in 3NT, 4♥, or 4♠.
 
* If partner accepts normally, rebid 3♥. Partner will sign off in 3NT, 4♥, or 4♠.
 
* If partner superaccepts, sign off by raising to the 4 level.
 
* If partner superaccepts, sign off by raising to the 4 level.
|-
+
 
| I have 5-4 in the majors
+
I have 5-4 in the majors → Bid 2♣, Stayman.
| Bid 2♣, Stayman.
+
 
* If partner responds 2 of a major, sign off by jumping to the 4 level.
 
* If partner responds 2 of a major, sign off by jumping to the 4 level.
 
* If partner responds 2♦, rebid your '''4-card major''' at the 3 level. This is called a '''Smolen transfer'''. Partner will sign off in 3NT or 4 of your 5-card major (to show 3-card support). Like the Jacoby transfer, the Smolen transfer ensures that the 1NT opener ends up as declarer.
 
* If partner responds 2♦, rebid your '''4-card major''' at the 3 level. This is called a '''Smolen transfer'''. Partner will sign off in 3NT or 4 of your 5-card major (to show 3-card support). Like the Jacoby transfer, the Smolen transfer ensures that the 1NT opener ends up as declarer.
|-
+
 
| I have a 5-card major
+
I have a 5-card major → Transfer to the major.
| Transfer to the major.
+
 
* If partner accepts normally, rebid 3NT. Partner will pass or sign off at the 4 level.
 
* If partner accepts normally, rebid 3NT. Partner will pass or sign off at the 4 level.
 
* If partner superaccepts, sign off by raising to the 4 level.
 
* If partner superaccepts, sign off by raising to the 4 level.
|-
+
 
| I have at least one 4-card major
+
I have at least one 4-card major → Bid 2♣, Stayman.
| Bid 2♣, Stayman.
+
 
* If partner responds 2♦, denying a 4-card major, sign off by raising to 3NT.
 
* If partner responds 2♦, denying a 4-card major, sign off by raising to 3NT.
 
* If partner responds 2 of your major, sign off by jumping to the 4 level.
 
* If partner responds 2 of your major, sign off by jumping to the 4 level.
 
* If partner responds 2♥ and you have 4+ spades and 3- hearts, rebid 3NT. Partner will pass or sign off in 4♠.
 
* If partner responds 2♥ and you have 4+ spades and 3- hearts, rebid 3NT. Partner will pass or sign off in 4♠.
 
* If partner responds 2♠ and you have 4+ hearts and 3- spades, rebid 3NT. Partner will pass.
 
* If partner responds 2♠ and you have 4+ hearts and 3- spades, rebid 3NT. Partner will pass.
|-
 
| Otherwise
 
| Sign off in 3NT.
 
|}
 
  
{|class="wikitable"
+
Otherwise → Sign off in 3NT.
|+Responding with slam-invitational strength
+
 
! If... !! then...
+
===With slam-invitational or greater strength===
|-
+
I have no 4-card or longer major, or I have enough HCP to not care about finding a trump fit → Make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
| I have no 4-card or longer major, or I have enough HCP to not care about finding a trump fit
+
 
| Make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
+
I have a 6+-card major → Make a Texas transfer to your suit, then initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
|-
+
 
| I have a 6+-card major
+
I have 5-5 in the majors → Transfer to spades by bidding 2♥.
| Make a Texas transfer to your suit, then initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]] after partner accepts.
+
|-
+
| I have 5-5 in the majors
+
| Transfer to spades by bidding 2♥.
+
 
* If partner accepts normally, rebid 3♥.
 
* If partner accepts normally, rebid 3♥.
 
:* If partner responds 3NT, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
 
:* If partner responds 3NT, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
 
:* If partner responds 4 of a major, initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
 
:* If partner responds 4 of a major, initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
 
* If partner superaccepts, upgrade your hand if applicable, then initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
 
* If partner superaccepts, upgrade your hand if applicable, then initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
|-
+
 
| I have 5-4 in the majors
+
I have 5-4 in the majors → Bid 2♣, Stayman.
| Bid 2♣, Stayman.
+
 
* If partner responds 2 of a major, respond with 3 of the other major, which shows agreement with partner's 4-card major and is a conventional slam try. This is called the '''Baze convention'''.
 
* If partner responds 2 of a major, respond with 3 of the other major, which shows agreement with partner's 4-card major and is a conventional slam try. This is called the '''Baze convention'''.
 
:* If partner responds with 4 of your major, they have a minimal hand. You can pass or insist by initiating [[User:Brian/Bridge/Control bidding|control bidding]] or bidding 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]] anyway.
 
:* If partner responds with 4 of your major, they have a minimal hand. You can pass or insist by initiating [[User:Brian/Bridge/Control bidding|control bidding]] or bidding 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]] anyway.
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:* If partner responds 3NT, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
 
:* If partner responds 3NT, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
 
:* If partner responds 4 of your 5-card major, initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
 
:* If partner responds 4 of your 5-card major, initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
|-
+
 
| I have a 5-card major
+
I have a 5-card major → Transfer to the major.
| Transfer to the major.
+
 
* If partner accepts normally, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]. Partner may sign off in either notrump or your suit.
 
* If partner accepts normally, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]. Partner may sign off in either notrump or your suit.
 
* If partner superaccepts, upgrade your hand if applicable, then initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
 
* If partner superaccepts, upgrade your hand if applicable, then initiate [[User:Brian/Bridge/Control bidding|control bidding]] or bid 4NT, [[User:Brian/Bridge/Blackwood|Blackwood]].
|-
+
 
| Otherwise (I have at least one 4-card major)
+
Otherwise (I have at least one 4-card major) → Bid 2♣, Stayman.
| Bid 2♣, Stayman.
+
 
* If partner responds 2♦, denying a 4-card major, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
 
* If partner responds 2♦, denying a 4-card major, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]].
 
* If partner responds 2 of your major, respond with 3 of the other major.
 
* If partner responds 2 of your major, respond with 3 of the other major.
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:* If partner makes any other response, it is to be interpreted as a [[User:Brian/Bridge/Control bidding|control bid]] or 4NT, [[User:Brian/Bridge/Responding to Blackwood|Blackwood]].
 
:* If partner makes any other response, it is to be interpreted as a [[User:Brian/Bridge/Control bidding|control bid]] or 4NT, [[User:Brian/Bridge/Responding to Blackwood|Blackwood]].
 
* If partner responds 2 of the other major, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]. Partner may sign off in either notrump or your suit.
 
* If partner responds 2 of the other major, make a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]. Partner may sign off in either notrump or your suit.
|}
 
  
 
==Notes on the Jacoby transfer==
 
==Notes on the Jacoby transfer==

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