Editing User:Brian/Bridge/Rebids after a 1NT opening
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==Without interference== | ==Without interference== | ||
| − | + | ===Stayman sequences=== | |
| − | + | If partner responded 2♣, it is Stayman, asking for a 4-card major. | |
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| − | + | I have 4+ hearts → Bid 2♥. | |
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* If partner responds 2♠, it means they have 4 spades, 3- hearts, and invitational strength. Sign off in 2NT, 3♠, 3NT, or 4♠, depending on your strength and whether you have 4-card spade support. | * If partner responds 2♠, it means they have 4 spades, 3- hearts, and invitational strength. Sign off in 2NT, 3♠, 3NT, or 4♠, depending on your strength and whether you have 4-card spade support. | ||
* If partner responds 2NT, it means they have no 4-card major (the Stayman was "fake") but invitational strength. Pass or sign off in 3NT. | * If partner responds 2NT, it means they have no 4-card major (the Stayman was "fake") but invitational strength. Pass or sign off in 3NT. | ||
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* If partner responds 4♥, it is a sign-off. | * If partner responds 4♥, it is a sign-off. | ||
* If partner responds 4NT, 5NT, 6NT, or 7NT, it is [[User:Brian/Bridge/Quantitative notrump raises|quantitative]] and shows 4 spades. Pass or make a sign-off either in notrump or spades. | * If partner responds 4NT, 5NT, 6NT, or 7NT, it is [[User:Brian/Bridge/Quantitative notrump raises|quantitative]] and shows 4 spades. Pass or make a sign-off either in notrump or spades. | ||
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| − | + | I have 4+ spades → Bid 2♠. | |
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* If partner responds 2NT, they show invitational strength without 4-card spade support. Pass or sign off in 3NT. | * If partner responds 2NT, they show invitational strength without 4-card spade support. Pass or sign off in 3NT. | ||
* If partner responds 3NT, they show game-forcing strength without 4-card spade support. Pass. | * If partner responds 3NT, they show game-forcing strength without 4-card spade support. Pass. | ||
* In all other cases, the subsequent bidding is the same as in the previous paragraph, but exchange "spades" and "hearts". | * In all other cases, the subsequent bidding is the same as in the previous paragraph, but exchange "spades" and "hearts". | ||
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| − | + | I have no 4-card major → Bid 2♦. | |
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* If partner responds 2M, they show invitational strength with 5 of the bid major and 4 of the unbid major. Sign off in 2NT, 3M, 3NT, or 4M, depending on your strength and whether you have 3-card support for partner's 5-card major. | * If partner responds 2M, they show invitational strength with 5 of the bid major and 4 of the unbid major. Sign off in 2NT, 3M, 3NT, or 4M, depending on your strength and whether you have 3-card support for partner's 5-card major. | ||
* If partner responds 2NT, they have invitational strength. Pass or sign off in 3NT. | * If partner responds 2NT, they have invitational strength. Pass or sign off in 3NT. | ||
| − | * If partner responds 3M, they show game-forcing strength with '''5 of the other major''' (oM) and 4 of the bid major | + | * If partner responds 3M, they show game-forcing strength with '''5 of the other major''' (oM) and 4 of the bid major. With 3-card support for oM, raise to 4oM; if partner bids again, it is a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]]. Otherwise, rebid 3NT; if partner bids again, it is a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]. |
* If partner responds 3NT, it is a sign-off. Pass. | * If partner responds 3NT, it is a sign-off. Pass. | ||
* If partner responds 4NT, 5NT, 6NT, or 7NT, it is [[User:Brian/Bridge/Quantitative notrump raises|quantitative]]. | * If partner responds 4NT, 5NT, 6NT, or 7NT, it is [[User:Brian/Bridge/Quantitative notrump raises|quantitative]]. | ||
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| − | + | ===Jacoby transfer sequences=== | |
| − | + | If partner responded 2♦, it shows 5+ hearts. If partner responded 2♥, it shows 5+ spades. In either case, announce "transfer" when partner makes their bid. We will denote partner's 5-card major by "M". | |
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| − | + | I have 17 HCP with 4+ of M → Superaccept by bidding 3M. | |
| − | + | * If partner responds 4M, it is a sign-off. | |
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| − | * If partner responds | + | |
* Any other response by partner 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 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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| − | + | Otherwise, if M is ♥ (partner's bid was 2♦) → Accept by bidding 2♥. | |
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* If partner responds 2♠, they have invitational strength with 5-5 in the majors. Pass with a minimum, sign off in 2NT or 3NT to deny 3-card support for both majors, or support either major if possible by signing off in 3 or 4 of the major you want to support. | * If partner responds 2♠, they have invitational strength with 5-5 in the majors. Pass with a minimum, sign off in 2NT or 3NT to deny 3-card support for both majors, or support either major if possible by signing off in 3 or 4 of the major you want to support. | ||
* If partner responds 3♥, they have invitational strength with 6 hearts. Pass or sign off by raising to 4♥. | * If partner responds 3♥, they have invitational strength with 6 hearts. Pass or sign off by raising to 4♥. | ||
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:* One common case is that the response is 2NT, showing invitational strength and exactly 5 hearts. Pass or sign off in 3♥, 3NT, or 4♥. | :* One common case is that the response is 2NT, showing invitational strength and exactly 5 hearts. Pass or sign off in 3♥, 3NT, or 4♥. | ||
:* Another common case is 3NT, showing game-forcing strength and exactly 5 hearts. Pass or sign off in 4♥. | :* Another common case is 3NT, showing game-forcing strength and exactly 5 hearts. Pass or sign off in 4♥. | ||
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| − | + | Otherwise, if M is ♠ (partner's bid was 2♥) → Accept by bidding 2♠. | |
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* If partner responds 3♥, they have game-forcing strength with 5-5 in the majors. With 3-card support for either major, raise to 4 of the major; any subsequent bid by partner is either a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]]. If you can't support either major, rebid 3NT; any subsequent bid by partner is [[User:Brian/Bridge/Quantitative notrump raises|quantitative]]. | * If partner responds 3♥, they have game-forcing strength with 5-5 in the majors. With 3-card support for either major, raise to 4 of the major; any subsequent bid by partner is either a [[User:Brian/Bridge/Control bidding|control bid]] or [[User:Brian/Bridge/Responding to Blackwood|Blackwood]]. If you can't support either major, rebid 3NT; any subsequent bid by partner is [[User:Brian/Bridge/Quantitative notrump raises|quantitative]]. | ||
* For all other responses, see the previous paragraph, but exchange "spades" and "hearts". | * For all other responses, see the previous paragraph, but exchange "spades" and "hearts". | ||
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| + | ===Other responses=== | ||
| + | My partner responded notrump → This is a [[User:Brian/Bridge/Quantitative notrump raises|quantitative raise]]. Most commonly, this will be 2NT or 3NT. 2NT is invitational to 3NT, while 3NT is to play. | ||
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| + | My partner responded 4♣ → See [[User:Brian/Bridge/Responding to Gerber|Responding to Gerber]]. | ||
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| + | My partner responded 4♦ or 4♥ → Announce "transfer" then accept the transfer by bidding 4 of the next suit. This is a ''Texas transfer'' showing 6 of the major transferred to. | ||
| + | * Most of the time, partner will pass. | ||
| + | * 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]]. | ||
