Difference between revisions of "User:Brian/Bridge/Responding to a one-level major opening"

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Partner's bid shows something like 12 to 21 total points and at least 5 of the major. Therefore, "support" for partner's major means you have at least 3 cards in that major (making a total of at least 8).
 
Partner's bid shows something like 12 to 21 total points and at least 5 of the major. Therefore, "support" for partner's major means you have at least 3 cards in that major (making a total of at least 8).
 +
 +
Evaluate your hand. If you have a fit with partner, add points for distribution. To determine how to respond, categorize your hand as one of the following:
 +
* ''Weak:'' 5- points
 +
* ''Minimal:'' 6–10 points
 +
* ''Invitational:'' 10–12 points
 +
* ''Game-forcing:'' 13+ points
 +
Then consult the appropriate chart below depending on whether RHO has bid over partner's opening.
  
 
==Without interference==
 
==Without interference==
−
===Very weak hands===
+
With a very weak hand, pass.
−
A very weak hand opposite a 1-level suit opening contains 5- HCP. With a very weak hand, pass.
+
  
−
Note that if you have 3-card support for partner's suit, you can upgrade with distribution points for shortness in side suits, at which point your hand might be worth a 2M response.
+
{| class="wikitable"
 +
|+Responding with a minimal hand
 +
|-
 +
! If... !! then...
 +
|-
 +
| I have support for partner's major
 +
| [[User:Brian/Bridge/Subsequent bidding after major suit agreement|Raise]] partner's suit to the 2 level.
 +
|-
 +
| Partner opened hearts, and I have 4+ spades
 +
| Bid [[User:Brian/Bridge/Responder's rebids after one-over-one|1♠]].
 +
|-
 +
| Otherwise
 +
| Bid [[User:Brian/Bridge/Responder's rebids after semi-forcing 1NT|1NT]].
 +
|}
  
−
===Minimal hands===
+
{| class="wikitable"
−
A minimal hand opposite a 1-level suit opening contains 6 to 10 HCP without support, or 6 to 10 total points with support.
+
|+Responding with an invitational hand
 +
|-
 +
! If ... !! then...
 +
|-
 +
| I have 4+-card support for partner's major
 +
| [[User:Brian/Bridge/Subsequent bidding after major suit agreement|Raise]] partner's suit to the 3 level (a '''limit raise''').
 +
|-
 +
| I have 3-card support for partner's hearts and 4+ spades
 +
| Respond [[User:Brian/Bridge/Responder's rebids after one-over-one|1♠]] for now, planning to rebid 3♥.
 +
|-
 +
| I have 3-card support for partner's major
 +
| Respond [[User:Brian/Bridge/Responder's rebids after semi-forcing 1NT|1NT]] for now, planning to rebid 3M.
 +
|-
 +
| Partner's suit is hearts and I have 4+ spades
 +
| Bid [[User:Brian/Bridge/Responder's rebids after one-over-one|1♠]].
 +
|-
 +
| None of the above apply, and I am an unpassed hand.
 +
| Bid [[User:Brian/Bridge/Responder's rebids after semi-forcing 1NT|1NT]].
 +
|-
 +
| I am a passed hand, balanced or with shortness only in partner's major.
 +
| Bid [[User:Brian/Bridge/Responder's rebids after a balanced notrump response|2NT]].
 +
|-
 +
| I am a passed hand with a lower 5+-card suit.
 +
| [[User:Brian/Bridge/Responder's rebids after non-game-forcing two-over-one|Bid your suit at the two level]].
 +
|}
  
−
I have a minimal hand and support → Raise partner's suit to the 2 level.
+
{| class="wikitable"
−
 
+
|+Responding with a game-forcing hand
−
I have a minimal hand, partner opened hearts, and I have 4+ spades → Bid 1♠.
+
|-
−
 
+
! If ... !! then...
−
Otherwise → Bid 1NT.
+
|-
−
 
+
| I have 4-card support or better, and a side suit void or a small side suit singleton  
−
===Invitational hands===
+
| Make a [[User:Brian/Bridge/Splinter|splinter]] bid, <i>i.e.</i>, a jump to your short suit above the 3 level of partner's major. (3&spades;, 4&clubs;, and 4&diams; are splinter responses to 1&hearts;, while 4&clubs;, 4&diams;, and 4&hearts; are splinter responses to 1&spades;.)
−
An invitational hand opposite a 1-level suit opening contains 11 to 12 HCP without support, or 10 to 12 total points with support.
+
|-
−
 
+
| I have 4-card support or better and a balanced hand
−
I have an invitational hand and 4-card support or better &rarr; Raise partner's suit to the 3 level.
+
| Respond [[User:Brian/Bridge/Rebids after Jacoby 2NT|2NT]].
−
 
+
|-
−
I have an invitational hand and 3-card support &rarr; Respond 1NT, planning to rebid 3M.
+
| I have 3-card support and a balanced hand
−
 
+
| Respond 3NT.
−
I have an invitational hand, partner opened hearts, and I have 4+ spades &rarr; Bid 1&spades;.
+
|-
−
 
+
| Partner's suit was hearts, and I have 4+ spades
−
Otherwise &rarr; Bid 1NT.
+
| Respond [[User:Brian/Bridge/Responder's rebids after one-over-one|1&spades;]].
−
 
+
|-
−
===Game-forcing hands===
+
| Partner's suit was spades, and I have 5+ hearts
−
A game-forcing hand opposite a 1-level suit opening contains 13+ HCP without support, or 13+ total points with support (thus making a total of 25+ points or so).
+
| Respond [[User:Brian/Bridge/Responder's rebids after two-over-one|2&hearts;]].
−
 
+
|-
−
I have 4-card support or better, and a side suit void or a small side suit singleton &rarr; Make a splinter bid, <i>i.e.</i>, a jump to your short suit above the 3 level of partner's major. (3&spades;, 4&clubs;, and 4&diams; are splinter responses to 1&hearts;, while 4&clubs;, 4&diams;, and 4&hearts; are splinter responses to 1&spades;.)
+
| Otherwise
−
 
+
| [[User:Brian/Bridge/Responder's rebids after two-over-one|Show a 4+ card minor at the 2 level]].
−
I have 4-card support or better and a balanced hand &rarr; Respond [[User:Brian/Bridge/Rebids after Jacoby 2NT|2NT]].
+
|}
−
 
+
−
I have 3-card support and a balanced hand &rarr; Respond 3NT.
+
−
 
+
−
Partner's suit was hearts, and I have 4+ spades &rarr; Respond 1&spades;.
+
−
 
+
−
Partner's suit was spades, and I have 5+ hearts &rarr; Respond 2&hearts;.
+
−
 
+
−
Otherwise &rarr; Show a 4+ card minor at the 2 level.
+
  
 
==With interference==
 
==With interference==
−
I have a very weak hand &rarr; Pass.
+
{| class="wikitable"
−
 
+
|+Responding with a very weak hand
−
===Minimal hands===
+
|-
−
I have 5+-card support for partner's major &rarr; Consider preemptively raising to the 4 level, depending on vulnerability. Partner is expected to pass.
+
! If... !! then...
−
 
+
|-
−
I have 3-card support for partner's major &rarr; Raise to the 2 level if you can, otherwise pass.
+
| I have 5+-card support for partner's major
−
 
+
| Make a preemptive raise to the 4 level.
−
I have 5+ spades and can bid at the one-level &rarr; Respond 1&spades;.
+
|-
−
 
+
| I have 4+-card support for partner's major
−
RHO bid a minor suit at the 2-level or lower and I have 4+ cards in the other major &rarr; Make a negative double to show your 4-card major.
+
| Make a preemptive raise to the 3 level.
−
 
+
|-
−
RHO bid a suit at the 1-level in which I have a stopper &rarr; Respond 1NT.
+
| Otherwise
−
 
+
| Pass
−
Otherwise &rarr; Pass.
+
|}
−
 
+
−
===Invitational hands===
+
−
I have support for partner's major and RHO bid a suit below the 2-level of partner's suit &rarr; Cue-bid the enemy suit.
+
−
 
+
−
I have support for partner's major and RHO doubled &rarr; Bid 2NT, which is the conventional Truscott/Jordan limit+ raise.
+
−
 
+
−
RHO bid 1NT &rarr; Many partnerships don't have an agreement on how to respond in this case. The only "standard" response is double for penalty. If you actually want a way to have the contract in such cases, develop an agreement with your partner about the meanings of bids.
+
−
 
+
−
RHO doubled and I have 5+ spades &rarr; Respond 1&spades;.
+
−
 
+
−
RHO doubled and we don't have a fit in partner's major &rarr; Redouble.
+
−
 
+
−
RHO bid a minor suit at the 3-level or lower and I have 4+ cards in the other major &rarr; Make a negative double.
+
−
 
+
−
RHO bid a suit at the 2-level or lower in which I have a stopper &rarr; Respond 2NT.
+
−
 
+
−
Otherwise &rarr; Pass.
+
−
 
+
−
===Game-forcing hands===
+
−
I have support for partner's major and RHO bid a suit below the 3-level of partner's suit &rarr; Cue-bid the enemy suit.
+
−
 
+
−
I have support for partner's major and RHO doubled &rarr; Bid 2NT, which is the conventional Truscott/Jordan limit+ raise.
+
−
 
+
−
RHO bid 1NT &rarr; See the note in the previous section.
+
−
 
+
−
RHO doubled and I have 5+ spades &rarr; Respond 1&spades;.
+
  
−
RHO doubled and we don't have a fit in partner's major &rarr; Redouble.
+
{| class="wikitable"
 +
|+Responding with a minimal hand
 +
|-
 +
! If... !! then...
 +
|-
 +
| I have 5+-card support for partner's major
 +
| Make a preemptive raise to the 4 level.
 +
|-
 +
| I have 4+-card support for partner's major
 +
| Make a preemptive raise to the 3 level.
 +
|-
 +
| I have 3-card support for partner's major
 +
| Raise partner's major if you can do so at the 3 level or lower; otherwise, pass. (The idea is that if RHO makes a weak jump overcall, you should be more aggressive with raising because you know RHO is weak.)
 +
|-
 +
| I have 5+ spades and can bid at the one-level
 +
| Respond 1&spades;.
 +
|-
 +
| RHO bid 1&spades; and I have 4+ cards in both minors
 +
| Make a negative double.
 +
|-
 +
| RHO bid 2 of a minor and I have 4+ cards in the other major with 9&ndash;10 HCP
 +
| Make a negative double.
 +
|-
 +
| RHO bid 1&spades;, and I'm on the high end of the range with a stopper in spades
 +
| Respond 1NT.
 +
|-
 +
| Otherwise
 +
| Pass
 +
|}
  
−
RHO bid a minor suit at the 3-level or lower and I have 4+ cards in the other major &rarr; Make a negative double.
+
{| class="wikitable"
 +
|+Responding with an invitational hand
 +
|-
 +
! If... !! then...
 +
|-
 +
| I have support for partner's major and RHO bid a suit below the 3-level of partner's suit
 +
| Cue-bid the enemy suit.
 +
|-
 +
| I have support for partner's major and RHO doubled
 +
| Bid 2NT, which is the conventional Truscott/Jordan limit+ raise.
 +
|-
 +
| I have support for partner's major and RHO bid 1NT
 +
| There doesn't seem to be a standard way to show support in this case; develop an agreement with your partner in order to handle this situation.
 +
|-
 +
| RHO bid 1NT and I don't have support for partner's major
 +
| Double for penalty.
 +
|-
 +
| I have 5+ spades and can bid at the one-level
 +
| Respond 1&spades;. (Note: if you can't bid 1&spades;, the standard response is to make a negative double instead of bidding 2&spades;.)
 +
|-
 +
| I have 5+ of a minor suit and I can bid at the two-level
 +
| Respond 2m. (This is not 2/1 GF because of the interference.)
 +
|-
 +
| RHO doubled and we don't have a fit in partner's major
 +
| Redouble to show your strength.
 +
|-
 +
| RHO bid a minor suit at the 3-level or lower and I have 4+ cards in the other major
 +
| Make a negative double.
 +
|-
 +
| RHO bid 1&spades; and I'm 4&ndash;4 or better in the minors
 +
| Make a negative double.
 +
|-
 +
| RHO bid 2&spades; and I'm 3&ndash;3 or better in the minors
 +
| Make a negative double.
 +
|-
 +
| RHO bid a suit at the 2-level or lower in which I have a stopper
 +
| Respond 2NT.
 +
|-
 +
| Otherwise
 +
| Pass.
 +
|}
  
−
RHO bid a suit at the 3-level or lower in which I have a stopper &rarr; Respond 3NT.
+
{| class="wikitable"
 +
|+Responding with a game-forcing hand
 +
|-
 +
! If... !! then...
 +
|-
 +
| I have support for partner's major and RHO bid a suit below the 3-level of partner's suit
 +
| Cue-bid the enemy suit.
 +
|-
 +
| I have support for partner's major and RHO bid above the 3-level of partner's suit
 +
| Raise partner's suit to the 4 level. Yes, now you don't really have space to explore slam. That's what happens when you get preempted...
 +
|-
 +
| I have support for partner's major and RHO doubled
 +
| Bid 2NT, which is the conventional Truscott/Jordan limit+ raise.
 +
|-
 +
| RHO bid 1NT
 +
| See the note in the previous section.
 +
|-
 +
| I have 5+ spades and can bid at the one-level
 +
| Respond 1&spades;. (Note: if you can't bid 1&spades;, the standard response is to make a negative double instead of bidding 2&spades;.)
 +
|-
 +
| I have 5+ of a minor suit and I can bid at the two or three level
 +
| Bid your minor suit.
 +
|-
 +
| RHO doubled and we don't have a fit in partner's major
 +
| Redouble to show your strength.
 +
|-
 +
| RHO bid a minor suit at the 3-level or lower and I have 4+ cards in the other major
 +
| Make a negative double.
 +
|-
 +
| RHO bid 1&spades; and I'm 4&ndash;4 or better in the minors
 +
| Make a negative double.
 +
|-
 +
| RHO bid 2&spades; and I'm 3&ndash;3 or better in the minors
 +
| Make a negative double.
 +
|-
 +
| RHO bid a suit at the 3-level or lower in which I have a stopper
 +
| Respond 3NT.
 +
|-
 +
| Otherwise
 +
| Pass.
 +
|}

Latest revision as of 04:40, 25 June 2017

This page is incomplete.

Partner's bid shows something like 12 to 21 total points and at least 5 of the major. Therefore, "support" for partner's major means you have at least 3 cards in that major (making a total of at least 8).

Evaluate your hand. If you have a fit with partner, add points for distribution. To determine how to respond, categorize your hand as one of the following:

  • Weak: 5- points
  • Minimal: 6–10 points
  • Invitational: 10–12 points
  • Game-forcing: 13+ points

Then consult the appropriate chart below depending on whether RHO has bid over partner's opening.

Without interference[edit]

With a very weak hand, pass.

Responding with a minimal hand
If... then...
I have support for partner's major Raise partner's suit to the 2 level.
Partner opened hearts, and I have 4+ spades Bid 1♠.
Otherwise Bid 1NT.
Responding with an invitational hand
If ... then...
I have 4+-card support for partner's major Raise partner's suit to the 3 level (a limit raise).
I have 3-card support for partner's hearts and 4+ spades Respond 1♠ for now, planning to rebid 3♥.
I have 3-card support for partner's major Respond 1NT for now, planning to rebid 3M.
Partner's suit is hearts and I have 4+ spades Bid 1♠.
None of the above apply, and I am an unpassed hand. Bid 1NT.
I am a passed hand, balanced or with shortness only in partner's major. Bid 2NT.
I am a passed hand with a lower 5+-card suit. Bid your suit at the two level.
Responding with a game-forcing hand
If ... then...
I have 4-card support or better, and a side suit void or a small side suit singleton Make a splinter bid, i.e., a jump to your short suit above the 3 level of partner's major. (3♠, 4♣, and 4♦ are splinter responses to 1♥, while 4♣, 4♦, and 4♥ are splinter responses to 1♠.)
I have 4-card support or better and a balanced hand Respond 2NT.
I have 3-card support and a balanced hand Respond 3NT.
Partner's suit was hearts, and I have 4+ spades Respond 1♠.
Partner's suit was spades, and I have 5+ hearts Respond 2♥.
Otherwise Show a 4+ card minor at the 2 level.

With interference[edit]

Responding with a very weak hand
If... then...
I have 5+-card support for partner's major Make a preemptive raise to the 4 level.
I have 4+-card support for partner's major Make a preemptive raise to the 3 level.
Otherwise Pass
Responding with a minimal hand
If... then...
I have 5+-card support for partner's major Make a preemptive raise to the 4 level.
I have 4+-card support for partner's major Make a preemptive raise to the 3 level.
I have 3-card support for partner's major Raise partner's major if you can do so at the 3 level or lower; otherwise, pass. (The idea is that if RHO makes a weak jump overcall, you should be more aggressive with raising because you know RHO is weak.)
I have 5+ spades and can bid at the one-level Respond 1♠.
RHO bid 1♠ and I have 4+ cards in both minors Make a negative double.
RHO bid 2 of a minor and I have 4+ cards in the other major with 9–10 HCP Make a negative double.
RHO bid 1♠, and I'm on the high end of the range with a stopper in spades Respond 1NT.
Otherwise Pass
Responding with an invitational hand
If... then...
I have support for partner's major and RHO bid a suit below the 3-level of partner's suit Cue-bid the enemy suit.
I have support for partner's major and RHO doubled Bid 2NT, which is the conventional Truscott/Jordan limit+ raise.
I have support for partner's major and RHO bid 1NT There doesn't seem to be a standard way to show support in this case; develop an agreement with your partner in order to handle this situation.
RHO bid 1NT and I don't have support for partner's major Double for penalty.
I have 5+ spades and can bid at the one-level Respond 1♠. (Note: if you can't bid 1♠, the standard response is to make a negative double instead of bidding 2♠.)
I have 5+ of a minor suit and I can bid at the two-level Respond 2m. (This is not 2/1 GF because of the interference.)
RHO doubled and we don't have a fit in partner's major Redouble to show your strength.
RHO bid a minor suit at the 3-level or lower and I have 4+ cards in the other major Make a negative double.
RHO bid 1♠ and I'm 4–4 or better in the minors Make a negative double.
RHO bid 2♠ and I'm 3–3 or better in the minors Make a negative double.
RHO bid a suit at the 2-level or lower in which I have a stopper Respond 2NT.
Otherwise Pass.
Responding with a game-forcing hand
If... then...
I have support for partner's major and RHO bid a suit below the 3-level of partner's suit Cue-bid the enemy suit.
I have support for partner's major and RHO bid above the 3-level of partner's suit Raise partner's suit to the 4 level. Yes, now you don't really have space to explore slam. That's what happens when you get preempted...
I have support for partner's major and RHO doubled Bid 2NT, which is the conventional Truscott/Jordan limit+ raise.
RHO bid 1NT See the note in the previous section.
I have 5+ spades and can bid at the one-level Respond 1♠. (Note: if you can't bid 1♠, the standard response is to make a negative double instead of bidding 2♠.)
I have 5+ of a minor suit and I can bid at the two or three level Bid your minor suit.
RHO doubled and we don't have a fit in partner's major Redouble to show your strength.
RHO bid a minor suit at the 3-level or lower and I have 4+ cards in the other major Make a negative double.
RHO bid 1♠ and I'm 4–4 or better in the minors Make a negative double.
RHO bid 2♠ and I'm 3–3 or better in the minors Make a negative double.
RHO bid a suit at the 3-level or lower in which I have a stopper Respond 3NT.
Otherwise Pass.
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