Editing User:Brian/Bridge/Responding to a 1NT opening
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==Without interference== | ==Without interference== | ||
| − | + | ===With minimal strength=== | |
| − | + | I have one 5+-card major → [[#Jacoby transfer|Transfer]] to the major, then pass. | |
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| − | + | I have 5+ cards in both majors → Transfer to the better major, then pass. | |
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| − | + | Otherwise → Pass. | |
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| − | + | ===With invitational strength=== | |
| − | + | I have a 6+-card major → Transfer to the major. | |
| − | * If partner accepts | + | * If partner accepts by bidding 2 of the major (the most common case), 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 by bidding 3 of the major, sign off by raising to the 4 level. |
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| − | + | I have 5-5 in the majors → Transfer to hearts by bidding 2♦. | |
| − | + | * If partner responds 2♥ (the most common case), 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 of the major, sign off by raising to the 4 level. |
| − | * If partner superaccepts by bidding 3 | + | |
| − | + | 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. | |
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* 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. | ||
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| − | + | I have a 5-card major → Transfer to the major. | |
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* 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. | ||
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| − | + | I have at least one 4-card major → Bid 2♣, Stayman. | |
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* 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. | ||
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| − | + | Otherwise → Bid 2NT. Partner will pass or sign off by raising to 3NT. | |
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| − | + | ===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. | |
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| − | + | I have 5-5 in the majors → Transfer to spades by bidding 2♥. | |
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* 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. | ||
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| − | + | I have 5-4 in the majors → Bid 2♣, Stayman. | |
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* 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. | ||
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| − | + | I have a 5-card major → Transfer to the major. | |
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* 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. | ||
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| − | + | I have at least one 4-card major → Bid 2♣, Stayman. | |
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* 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. | ||
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| − | + | ==Jacoby transfer== | |
| − | + | The Jacoby transfer shows a 5-card major suit by bidding the suit below that suit. For example, if partner has opened 1NT, respond 2♦ to show 5 hearts, or 2♥ to show 5 spades. Your partner will then accept the transfer by bidding your suit (2♥ or 2♠, respectively). The point is to make partner mention the suit first so they end up as declarer, since they probably have the stronger hand. | |
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| − | The Jacoby transfer shows a 5 | + | |
Partner is obligated to accept the transfer, provided that the opponents don't interfere. This is the case even if partner only has two-card support. So for example, 2♦ forces a 2♥ response. The exception: if opener has a maximum and four-card support for your major, they will ''superaccept'' by bidding the major at the 3 level. So a 3♥ response to 2♦ is a superaccept, as is 3♠ to 2♥. | Partner is obligated to accept the transfer, provided that the opponents don't interfere. This is the case even if partner only has two-card support. So for example, 2♦ forces a 2♥ response. The exception: if opener has a maximum and four-card support for your major, they will ''superaccept'' by bidding the major at the 3 level. So a 3♥ response to 2♦ is a superaccept, as is 3♠ to 2♥. | ||
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