Flow-chartsFlow-charts describingdescribing thethe Auction-phaseAuction-phase ofof ContractContract BridgeBridge
© 2010 Dr. Alistair Ward
1 Contents Symbols 3 Abbreviations 4 Definitions 5 Benjaminised Opening Bid 6 Response to Opening 1§ 7 Jacoby 2NT 8 Response to Opening 1NT 9 Opener's Rebid after Responder's Raise 10 Opener's Rebid after 1NT Dustbin-response 11 Opener's Rebid after Responder's §-change 12 Responder's Rebid after Opener's 2nd § 13 Stayman 14 Jacoby (& Red-suit) Transfers 15 Response to Benjamin Weak-two (inc Ogust) 16 Overcalls of 1§ 17 Overcalls of 1NT 18 Response to Partner's Take-out Double 19 Landy 20 Astro 21 Michaels Cue-bid 22 Unusual NT 23 Response after Overcall of § 24 Rubensohl 25 Classic Blackwood 26 Gerber 27 D0P1 & DEPO 28 Response to Opening 2NT 29 Response to Strong-two Opening 30 Response to Acol Game-force Opening 31 Response to Benjamin Game-force Opening 32 Exit Transfers 33 Response to Gambling 3NT 34
2 SymbolsSymbols
Auction-terminator
? Decision
Level Bid
Off-page connector Bid transfers to partner: with possibility of intervention Bid transfers to next player Inter-bid Logic Grey area; where opinions differ
Optional extra; for atypical conventions
alternatives Mutually exclusive options
NB Side note
Announce EBU Announcement
Alert ! EBU Alert
Responder
2nd 4th Players' colour-codes
Opener
3 Abbreviations [AKQJ] Any honour from the specified set x Any non-honour, i.e. spot card [CDHS] Any suit from the specified set § Any suit NT No-trumps M Either Major suit m Either Minor suit oM The other (inferred from context) Major suit nc An n-card long suit ! Bid-suffix denoting use of an artificial convention SQT Klinger's Suit-quality Test HCP The Milton-Work High-card Point-count (N)LTC The (New) Losing-trick Count LHO Left-hand Opponent RHO Right-hand Opponent
4 Definitions Landy©s Long-suit points 1 point, for each card more than 4,in each § Klinger©s Short-suit points As; Dummy Contractor Doubleton = 1 1 Singleton = 3 2 Void = 5 3 Support-points HCP + Short-suit points Quick Tricks In each §: AK = 2 AQ = 1.5 A or KQ = 1 Kx = 0.5 Playing Tricks Trump-length (usually a long §), minus number of honours missing from [AKQ] plus Quick Tricks in other §s Stopper A, or Kx, or Qxx, or Jxxx Balanced Distributions containing no voids or singletons, & no more than 1 doubleton, ie; 5-3-3-2, 4-3-3-3, 4-4-3-2 Klinger©s Suit-quality Test Suit-length + 1 for each of [AKQ], & also for each of [J,10] where a higher honour also exists Total Trumps Principle The tricks required @ the maximum safe bid-level, equals the total trumps held within the partnership.
5 No Bids Benjaminised Opening Bid
Balanced ? Y
Orange Book §5E4(a). Alert ! >= 7cm, Weak headed by AKQ , Y Gambling but Q @ most 3NT outside ?
Preempts are rare in the 4th seat; Length-points why risk a penalty, when the hand will otherwise pass-out ?
>= 8cM ? Preemptive Rule-of-20 ? N 4th seat ? N Y of SQT > 9 4M Y Orange Book Y §10B2 & 11C1 Raise according uses Rule-of-19 >= 7c§ ? Preemptive Pass Y To Total Trumps of SQT > 8 3§ Principle
Orange Book §5D1(d). Relax constraints in the 3rd seat, Announce; 'Weak' since LHO is known to be strong.
6cM of SQT > 7. Weak-two: Y 3rd seat or < 2 of [AK] outside Pass Y < 12 HCP ? 2M N & fewer than 4oM ? Orange Book §11F21
< (8M or 9m) 1 of Two < 15 HCP Playing Tricks or Y Y higher-ranking 1NT Y 5c§ ? & no 5cM ? < 13 HCP ? Normally a 6c§ or two 5c§s. 5c§ Orange Book §10B4, §11G4(a) requires 5cM Extended Rule-of-25, to provide Orange Book §5C1. permissible defensive strength, to permit penalty Announce; '12-14' Double after any overcall. Y < 20 HCP ?
N Three Y 4c§ ? 2NT Y < 22 HCP ?
Two Y Touching ? Y Both M ? 1cC ? 4c§ ? Y N
Response to 1H Opening 2NT
1 of 1 of 1 of Bid § beneath lower-ranking higher-ranking longest § singleton 4c§ 4c§
Benjamin < 23 ? Y Strong-two: Y < 25 HCP ? 2C ! N Orange Book §5D5. Response to Alert ! Strong-two
Benjamin Game-force: 2D !
Response to Benjamin Game-force
6 Overcall 1§ § Response to Opening 1§
Response after overcall of § < 10 HCP, matching 5cM, Shut-out Y & singleton or void raise to 4M ? Add Length-points. Protective < 6 ? Y Pass Take-out Double ! ?
Standard ACOL's strong raise-to-Game < 10, or Matching Raise & Delayed Game-raise responses, Y unbalanced & Y 4c§ ? to 2§ have been replaced by either Revalue hand using NLTC > 8.5 ? 3NT Pudding Raise or Jacoby 2NT. Support-points.
m bid & Y 1M >= 4cM ?
< 13, Limit-raise Pudding Raise: or unbalanced & Y to 3§ 3NT NLTC > 7.5 ?
Natural if opening m, Jacoby M bid ? Y or previously passed, 2NT ! or after any interference
Delayed Y < 17 ? < 17 ? Y Game-raise: 2 of best m Normally only used in an uncontested auction. Natural if previously passed. No voids & Blackwood: ? N Y require As ? 4NT !
Longest § Alternative < 10 ? Y Y biddable @ level 1 Y higher-ranking § ? is 4-card ?
3cM Dustbin-bid: Raise N support, & short Y 1NT to 2M side-§ ?
Unbalanced, or Cheapest Y Longest § is 4-card ? Y missing stopper ? alternative § 4-4-4-1 is the only unbalanced hand without a long §.
<16, Change to Limit-response < 13 HCP ? Y or multiple biddable §s, Y higher-ranking 2NT or SQT < 7 ? of longest §s
CAVEAT: may be misinterpreted as Jacoby-2NT. Opener's rebid CAVEAT: may be Strong after 3NT misinterpreted as Jump-shift Responder's Pudding Raise. 7 §-change 1M Pass Jacoby 2NT
Orange Book §5E1(a). Orange Book §5E1(a). Alert ! Alert !
Take-out Jacoby Shortage in Overcall 3§ Y Pass ! Double ! 2NT ! Advancer's § ?
Orange Book §5E1(a). Overcall beyond 4M, Ambiguity with either Alert ! Natural or Jordan-2NT releases opener from obligation Shortage Next in in 3rd § ? Y short § ! Investigate slam ? Alternative 5c§ Limit-response ranking lower than Y Jump-shift 2NT opening §, & of to 4§ (SQT > 6) ? For stronger response, use Cue-bid Limit-raise Orange Book §5E1(a). Alert !
Singleton Y Shift or void § ? to 3§ ! Slam-potential, but avoid Blackwood
Jump < 15 ? < 15 ? Y to 4M Y Revalue hand using N Support-points Principle of Fast Arrival. Responder only re-bids with undeclared strength.
Raise to < 18 ? Y 3NT !
Orange Book §5E1(a). Alert ! Responses Minimum ? Y until 4M
Rebid Missing Aces Blackwood: 3M & no voids ? Y 4NT !
1st-round Control-bid
8 Response to Opening 1NT Orange Book §5C1. Announce; '12-14'
Penalty Exit 1NT Double Transfers May be conventional Landy or Astro 5c§ Overcall Natural of higher rank than 2§ Y 2§ overcalled § ? Not necessarily weak.
Cue-bid 13 HCP Weak Take-out: Pass Rubensohl alternatives Y Stayman: 5c§ ? Y & 4cM ? 2§ 3§ ! Overcall in M Orange Book implies 4coM §5G1c. Alert ! Pass Uninterrupted
< 11 HCP & >= 5cM ? Y Y 5cM & 4cM ? With 5H & 4S, prefer Transfers; bid 2D !, then re-bid 2S Orange Book §5G1(c4). Alert ! Jacoby Jacoby Transfer (Red-suit) >= 6cm ? Y to Minors: Transfer: 2S ! 2Red
Three 4c§s < 11 HCP ? Y Y in D, H & S ?
With a flat hand, Orange Book §5C3. Pass NT is better. Announce; 'Stayman' 4cM, Stayman: except 3-3-3-4 Y 2C ! ?
Limit-raise < 13 HCP ? Y Max HCP ? Y 3NT to 2NT Small slam unlikely. Jump Raise < 19 HCP ? Y to 3NT
Require Y Gerber: As ? 4C !
31-34 HCP
Quantitative Raise: < 21 HCP ? Y Double jump to 4NT Grand slam unlikely. Jump < 23 HCP ? Y to 6NT 35-38 HCP
Grand Slam Invitation: < Max < 25 HCP ? Y Y Pass Triple jump to 5NT HCP ?
Jump < Max Y 6NT to 7NT HCP ?
Jump to 7NT 9 Opener's Rebid after Responder's Raise
Raise Limit-raise 1§ to 2§ to 3§
Unbalanced ? Y Unbalanced ? Y
Revalue hand using Revalue hand using Support-points Support-points
< 16 ? Y Pass Y NLTC > 6.5 ? < 16 ? Y Pass Y NLTC > 6.5 ? (Game unlikely) (Game unlikely) N N
Balancing Take-out Double ! ?
< 19 ? Y Y NLTC > 5.5 ? < 19 ? Y Game Y NLTC > 4.5 ? (slam unlikely)
Orange Book §5G1(f). N N M bid, but >= 2 losers, in side-§ of length Y >= 3 ?
Orange Book §5G3(i). No voids &; Help-§ C bid & need 1 A, Invitational Y Blackwood: Game-try: or D & need <= 2 As, raise to 3§ 4NT ! bid next in Help-§ or H & need <= 3 As, or S ? One of many Game-try conventions <= 1 loser in 3M Y 4M weak § ? AKA Cue-bid m bid, Control-bid & stoppers in all N 4§ cheapest suit 3 unbid §s ? with 1st round control
Y
3NT
10 1§ Opener's Rebid after 1NT Dustbin-response
Dustbin-bid: 1NT
< 16 HCP ? Y (Game isn't on) Non-forcing. Responder has denied higher ranking 4c§, but might match 5c opening-§ 2nd § 2§ of higher rank than Y Reverse longer 1st § ?
Jump re-bid Opening Y opening § Response 6c§ ? @ level 3
Limit-raise Balanced ? Y < 17 HCP ? Y to 2NT Standard English Modern Acol 2006 §1.2
Jump raise maximum ? Y 3NT to 3NT
Pass
Lower-ranking Y 2§ 2nd § ?
Re-bid Opening Y opening § 5c§ ? @ level 2
Pass
11 Opener's Rebid after Responder's §-change
Change to Change to 2nd § 1§ 2nd § @ level 1 @ level 2
M 3rd §, 1M Strong Rebid forced of higher rank than m 2nd Y (Not a Reverse) Jump-shift until Game (& longer m 1st) ?
Matching Matching Y Y 4c§ ? 4c§ ?
N Balanced ? Y Revalue hand using Support-points
Raise NLTC > 6.5 ? Y Y < 16 ? Responder's § N
Standard English Jump-raise Modern Acol 2006 Responder's § §1.2 1NT; denying any 4cM Balanced & biddable @ level 1, < 17 HCP ? A singleton Y unless use of Stayman in 2nd § is OK has been agreed with partner, for this scenario
3rd §, 3rd §, of higher rank than of lower rank than Y 2m 2Red Y m 2nd, but lower 5c 1st (& M 2nd) than M 1st ? ? N Standard English Standard English Modern Acol 2006 Modern Acol 2006 §1.2 §1.2 Balanced ? Y Limit-response Balanced ? Singleton in 2nd § < 19 HCP ? Y of 2NT, Y < 17 HCP ? Y Singleton in 2nd § is OK denying 4cM is OK
N 3NT
Y Re-bid Re-bid < 16 ? opening 5c§ < 16 ? Y opening 5c§ @ level 2 @ level 2
Irrespective of how poor the match is 3rd §, Reverse Y of higher rank than < 10 HCP ? Y Pass to 2M longer 1st (& m 2nd) ?
N
3rd §, Responder's 3rd §, of higher rank than Reverse High-level Y Y re-bid after of lower rank than 5cm 1st, but lower to 2Red reverse to 3m Opener's 2nd § 2nd (& 5cM 1st) ? than M 2nd ?
N
Jump re-bid opening 5c§ @ level 3
12 nd 1§ Responder's Rebid after Opener's 2 §
Change to Change to 2nd § 3rd §
4c match in 3rd §, Raise or 3c match if 5c implied Y < 10 ? Y Still @ Level 1 ? Y to Level 2 in 1st § ?
Pass
Raise < 13 ? Y to Level 3
4§
Dustbin-bid: < 10 HCP ? Y Level 1 ? Y 1NT
Longer match Raise Y in 3rd § ? 3rd §
Raise 1st §
2 stoppers in Limit-response Y < 13 HCP ? Y 4th (unbid) § ? 2NT
3NT
Re-bid 2nd § 6c 2nd § ? Y @ level 2 1C-1D-1H-1S & jump-bids (except 1C-1D-1H-2S) are normally considered natural
Jump-bid 4th § 5c 4th § ? Y naturally
Some waive this requirement
Single stopper 4th-§ Y in 4th § ? Forcing
Stopper in Y NT 4th § ?
? §
13 1NT Orange Book §5C1. Stayman Announce; '12-14'
Pass Orange Book §5C3 Announce; 'Stayman', or Alert if 1NT was an overcall
Stayman: 2C !, or cue-bid of opponent's overcalled §
SQT > 7 Lead-directing Y in C ? Double !
Matching 4cH ? Y 2H Y 4cH ?
< 13 HCP ? Y
Jump to 4cS Y 4S 3NT also ?
Matching 4cS ? Y 2S Y < 11 HCP ? Y Pass 4cS ?
Raise 2D ! < 11 HCP ? N < 13 HCP ? Y 2NT < 13 HCP ? Y to 3M Y
Orange Book §5G3(j). Jump-raise 5cM ? 2M Alert only if Stayman to 4M wasn't Announceable
Jump < Max Pass Y Pass to 3NT HCP ?
3NT
14 1NT Orange Book §5C1. Jacoby (Red-suit) Transfers Announce; '12-14'
Pass
Standard English Modern Acol 2006 §1.1.5
Two-way Balanced Y Baron: 11-12 HCP ? 2S !
Complete 5S ? Y 2H ! Transfer: 2S Orange Book §5C5. Announce; 'Spades', or Alert for 1NT overcall
Complete 5H ? Y 2D ! Transfer: 2H Orange Book §5C5. Announce; 'Hearts', < 11 HCP ? Y Pass or Alert for 1NT overcall
Requirements as for natural response 6cM ? Y < 13 HCP ? Y 3M to opening 1NT
3NT Y Balanced ? N < 13 HCP ? Y 2NT
N
Change Y 2nd § ? § N
Matching Matching Y 4M Y Max HCP ? Y 4M 3cM ? 3cM ? N N
3M
Pass N Max HCP ? Y 3NT
CAVEAT: 6cm ? Y 2S ! Also used for Minor-§ Stayman Orange Book & Four-way Transfers §5G1(c4). Alert !
Complete Correct to Transfer: 6cD ? Y 3D 3C
Pass
N/A 15 Response to Benjamin Weak-two (inc Ogust). Similar to response to Weak Jump-overcall Orange Book §5D1(d). Announce; 'Weak' 2M
Opponents have Revalue hand using an 8-card match Support-points. in another § 2-card 3-card Raise according to < 14 ? Y match ? Y match ? Y Total Trumps Principle
Pass Double can alternatively be used should RHO overcall 2NT
Ogust: < 19 ? Y 2NT !
Orange Book §5E1(a). Alert ! Jump to 4M
>= 16 HCP Natural & good alternative Y < 8 HCP ? Y 2 of [AKQ] ? Y 3D ! §-change 5c§ ?
AKQ ? Y 3NT ! 3C !
Pass Rebid 2 of [AKQ] ? Y 3S !
3H ! Rebid
16 1§ Pass Pass Overcalls of 1§
Balanced & Y 1NT 12-14 HCP ?
Response to >= 8 HCP & Protective Y Partner's shortage in bid § Take-out Take-out & three 3c§ ? Double ! Double
Orange Book §5E1(a). Alert ! LTC <= 7, Michaels (< 13 or > 16) HCP. (< 12 or > 14) HCP, Cue-bid: m bid & two >= 5cMs, or Y >=5 cards & SQT >6 N Raise M bid & >= 5oM & 5cm ? in both lowest opponent's § unbid §s ?
Y Y > 17 HCP ?
Double & Bid. N
>= 7c§ of Raise according Unusual NT: Y Double jump < 11 HCP ? SQT > 8 or to Total Trumps 2NT ! Y Preempt 9 @ level 4 ? Principle CAVEAT: Don't preempt a preemptive opening bid.
Orange Book §5E1(a). >= 6c§ of Weak Response to Alert ! SQT > 7 or Y Jump-overcall Weak-Two 8 @ level 3 ?
>= 5c§ of Overcall @ SQT > 6 or Response Y cheapest level 7 @ level 2 ?
The opponent's §s are those inferred from any conventions. With a strong hand, 3-cards in Raise Y < 10 HCP ? Y Double forces Advancer to bid. overcalled § ? partner's § > 12 support-points, Take-out & <= 2 in opponent's Double ! Y & >= 3 in other, §s ?
N Alternative 5c§ Y of SQT > 6 or § 7 @ level 2 ?
Game-potential => Unassuming Cue-bid: raise opponent's §
Pass
> 14 & < 18 HCP, < 16 HCP, Minimum Pass & balanced with stopper in Y 1NT or LTC >= 7 Y rebid opponent's § ? ? Shifted by 3 HCP & announceable responses are now alerted
Response to partner's Response to 4§ Take-out Opening 1NT Double 17 Pass 1NT Overcalls of 1NT Orange Book §5C1. Announce; '12-14'
Orange Book §5G4a
Penalty Exit Pass >= 15 HCP ? Y Double Transfers
5-4 (either way), Y Astro: in M & other § ? 2m ! Orange Book §5E1(a). Alert !
SQT > 6 in both M Y Landy: & LTC < 7 2C ! Orange Book §5E1(a). Alert !
Pass
18 1§ Response to Partner's Take-out Double
Intervening Take-out response Double ! to opener
< 6 ? Y Yield to opponents Or Responder has just bid above the level suggested below SQT > 7 in opponent's last § Y Pass ! & no alternative 4c§ ? (Convert to penalty) Value hand using Long-suit Points rather than Support-points, Orange Book §5E1(b). since a strong partner may have Alert ! Doubled without 3c support.
6c§ & Alternative Preemptive Y < 10 ? Y non-preemptive Y 4cM or 5cm ? double jump opening ?
Invitational N < 13 ? Y jump
Balanced with a stopper in Y < 6 HCP ? Y opener's §s ?
< 10 HCP ? Y 1NT < 17 HCP ? Y
Limit-response N < 13 HCP ? Y < 15 HCP ? < 19 HCP ? 2NT Y Y
< 17 HCP ? Y 3NT 3NT 2NT
Pass Longest § < 13 HCP ? Y (Prefer M)
Cue-bid opponent's § Y <= 17 ? (Game-forcing)
Choose Matching Raise Y § 6c§ ? advancer's §
Y Alternative Y Change No Match ? < 23 ? Y 6c§ ? §
Rebid Pass Y < 19 HCP ? Jump-shift Rebid
Y Cheapest 2NT N < 22 HCP ? NT 19 1NT Pass Landy Orange Book §5C1. Announce; '12-14'
Landy: Pass 2C ! Orange Book §5E1(a). Alert ! Orange Book §5E1(a). Alert ! Any Equal-length Relay: matching Y Y Ms ? 2D ! 3cM ?
< 13 HCP ? Y 7cC ? Y
Relay: 2 of longer M 2 of longer M 2D ! or 2H if equal or 2H if equal
Orange Book §5E1(a). Alert !
Invite game Any Bid M to level 2NT ! < 10 HCP ? Y Pass matching Y dictated by LTC, as 4cM ? if partner had opened
Decline game
< 11 HCP ? Y 3C !
3M
3NT ? 3M 2NT 2M
20 1NT Pass Astro
Orange Book §5C1. Announce; '12-14'
Pass
Orange Book §5E1(a). Alert !
9-14 HCP ? Y 5-4 length (either way), Y 2C ! (LTC < 9) in H (the anchor) & a m ?
Ie insufficient HCP for penalty Double
Raise in H, according to 3cH ? Y Total Trumps Principle, assuming 5cM.
Convert to natural bid 6cC ? Y Pass
There's still a chance of a match 6cS ? Y 2S
Non-forcing Relay 5cD ? (Requesting 5c§, denying H): Y Pass (4cH) 2D !
Orange Book §5E1(a). Orange Book §5E1(a). Indicating relay-§ Alert ! Alert ! is also 5c§
5-4 (either way), 5cH ? in S (the anchor) Y 2D ! Y 2H (4cm) & another ?
3C
Raise in S, according to Pass 3cS ? Y Total Trumps Principle, assuming 5cM.
Convert to natural bid 6cD ? Y Pass
Raise according to 6cC ? Y 3C Total Trumps Principle.
Indicating relay-§ is also 5c§ Non-forcing Relay 5cH ? (Requesting 5c§, denying S): Y Pass (4cS) 2H ! Orange Book §5E1(a). Alert ! 5cS ? Y 2S
5cC ? Y 3C (4cS)
3D
21 1§ Pass Michaels Cue-bid
Pass
Orange Book §5E1(a). Alert ! Michaels Intervening Cue-bid: raise of opener's Raise § to 3M opponent's §
2 of Strong, with m bid ? Y Y longer M both m ?
H bid Y 2S ? & 3cS ?
S bid Want to play Y 3H 4C ! N Y 5C ! & 3cH ? in 5m ?
Request m: 3m 5cC ? Y Pass 5cC ? 2NT ! Y
Orange Book §5E1(a). Alert ! 4D 5D
22 Distinguishes subsequent bid from strong natural overcall Unusual NT
Pass 1§
Pass Pass 1§
Orange Book §5E1(a). Alert !
Unusual NT: 1§ 2NT ! Only a direct overcall; it'd be natural from the pass-out seat. Some also overcall 1NT from a previously Passed hand, & [34]NT if required by the bid-level.
3-card support Cue-bid Game-potential ? Y for either of lowest Y opponent's § unbid §s ?
Cheapest of Any other rebid Weak ? Y long-§ rebids
Game or Slam Best match
Stoppers in Y 3NT both other §s ?
Blackwood: 4NT !
3-card support Bid to level dictated by for either of lowest Y Total Trumps Principle unbid §s ?
Alternative 3 of Y 6c§ ? own §
RHO responded ? Y Pass
3§
23 1§ § Response after Overcall of §
Matching Response to 1NT Y 4c§ ? Opening 1§
< 10 HCP ? < 6 ? Y
N
Penalty Have 5cM, Y Double biddable @ level 1 ?
C-(1D) & >= 4 in both M, or m-(1H) & exactly 4cS, Y or m-(1S) & >= 4cH, or H-(2m) & >= 4cS ?
Response limited to level-1
< 10 ? Y Pass Pass
Matching Y Cue-bid Limit-raise: 4c§ ? Raise opponent's § !
No extra strength AKA Unassuming Cue-bid; is required though this also describes Advancer's reponse to Intervenor. Forcing: 3§ ! <= 2 in LHO's §, cf conventional Y or more & >= 3 in unbid §s ? Negative Free Bid
Have 5c§ Free bid: biddable @ a lower level than Y § a raise of opener's § ?
Have § biddable @ Disturbed higher than raise of opening bid, Y Suit-switch (SQT – 6) >= bid-level ?
Non-forcing, since minimum rebid of original suit is @ level 3
Opener's rebid H-(1S) or S-(2H) & >= 4 in both m, Negative Reopening after or S-(2m) & exactly 4cH, Y Takeout Pass Takeout Responder's or D-(2C) & @ least one 4cM ? Double ! Double ! §-change Since use of Negative Double prevents Penalty Double of overcall, previous Pass could have been strong
Response to Normal partner's response to Take-out opening 1§ Double
24 1§ 1NT Rubensohl (AKA Rubinsohl)
Either a Natural overcall, or a conventional overcall with an anchor-§. 2§ 1NT Overcall
Orange Book §5C1. Announce; '12-14'
Long in Penalty Y opponent's § ? Double
Is this necessarily weak ?
5c[DHS] biddable Weak take-out: Y Pass @ level-2 ? natural 2[DHS]
Orange Book §5E1(a). Alert ! Complete Transfer-bid: 5cC ? Y Transfer: 2NT ! 3C
Orange Book §5E1(a). Alert ! 5c[DHS], other Complete Transfer-bid: than opponent's Y Transfer: 3[CDH] ! implied § ? 3[DHS] If RHO bid Landy or Astro, then a M was implied. With Pinpoint Astro, 2§s are implied < 13 HCP ? Y Pass
Orange Book §5E1(a). cf Cue-bid Stayman Alert ! 3 of opponent's §. Stayman: 4cM, other transfer cue-bid; than any implied by Y 4cM ? Y 3M 3 of § beneath RHO ? opponent's
Stopper in Jump raise Y overcall § ? to 3NT
Transfer-bid: Stopper ? Y 3NT 3S !
Orange Book §5E1(a). Alert ! Better minor: 4m
25 § Classic Blackwood
4NT ! Overcall
Overcall > 3 As ? Y 5S ! DEPO Y 5 trump-§ ?
2 As ? Y 5H ! D0P1
1 A ? Y 5D !
Top honours in Lead-directing 5C ! Y Zero or four Conventional § ? Double Aces
2nd-round 4 As ? Y control Y in all §s ?
No singletons &; C bid & need 1 K, or D & need <= 2 Ks, Y 5NT ! Overcall or H & need <= 3 Ks, or S ?
Overcall > 3 Ks ? Y 6S ! DEPO Y 6 trump-§ ?
2 Ks ? Y 6H ! D0P1
1 K ? Y 6D !
6C ! Zero or four Kings
Jump 4 Ks ? Y to 7§
Single loser, or level-5 Y 6§ unbiddable ?
5§ 26 Orange Book §5C1. Announce; '12-14' Gerber 1NT 2NT
4C ! 4§
3 As ? Y 4NT ! D0P1
2 As ? Y 4S !
1 A ? Y 4H !
Top honours in Lead-directing 4D ! Y Zero or four Conventional § ? Double Aces
4 As ? Y 4 Ks ? Y
No singletons ? Y 5C ! 5§
3 Ks ? Y 5NT ! D0P1
2 Ks ? Y 5S !
1 K ? Y 5H !
5D ! Zero or four Kings
Jump 4 Ks ? Y to 7NT
Long, unbroken Y 6NT § ?
5NT
27 D0P1 & DEPO Orange Book §5C1. Announce; '12-14'
1NT 2NT §-agreement
Request for count Request for count of Aces or Kings of Aces or Kings
Gerber: Blackwood: 4C ! or 5C ! 4NT ! or 5NT !
Overcall Overcall
Some use; § > D ?
Overcall § > Y proposed trump-§ ?
Second available 3 ? Y bid
First available 2 ? Y bid
1 ? Y Pass ! Y Odd count ?
Takeout Zero or four Double !
28 Response to Opening 2NT
Penalty 2NT Double
Overcall Higher-ranking Natural Y 5c§ ? 3§ 5c§ ? Y 3§
Pass Pass
< 3 HCP & Query >= 5cM ? Y Y 5cM & 4cM ?
Orange Book §5G1(c1). Alert !
Jacoby (Red-suit) Transfer: 3 Red
Three 4c§s < 5 HCP ? Y Y in D, H & S ?
Jacoby Transfer >= 6cm ? Y Pass to Minors: Orange Book 3S §5G1(c4). Alert !
Orange Book §5G1(c1). 3-3-3-4 Alert ! is too flat; NT is better 4cM, Stayman: except 3-3-3-4 Y 3C ! ? Small slam unlikely Raise < 12 HCP ? Y to 3NT
Require Y 4C ! As ? Gerber
32-33 HCP
Quantitative Raise: < 13 HCP ? Y jump to 4NT Grand slam unlikely Jump < 16 HCP ? Y to 6NT 36-37 HCP
Grand Slam Invitation: < Max < 17 HCP ? Y Y Pass double jump to 5NT HCP ?
Jump < Max Y 6NT to 7NT HCP ?
Jump to 7NT 29 Response to Strong-two Opening Orange Book §5D5. Alert ! Strength in Benjamin § Penalty overcalled § & Y 2C ! overcall Double overcall > 2S ? CAVEAT: Negative Double if < 2NT
Pass < 8 HCP ? Y Pass
Feasibility depends on level of overcall Natural Rebid positive bid
Orange Book §5E1(a). Alert !
Waiting/Relay: § Strength in Y Penalty 2D ! overcall overcalled § ? Double
Equivalent to Acol Strong 2M TODO Strong Y 2M Pass M ?
Standard English Modern Acol 2006 §2.9.2 Negative: Alternative < 8 HCP ? Y Y 2NT ! 4c§ ?
The negative response to Acol Strong-two. Haven't denied match Strong Rebid Y 3m m ? 3M Acol Strong-two requires either a 6c§ or two 5c§s Game-force: 3-card 2NT Y Raise Rebid match ? Opener's §
Alternative 5c§, Y Game-force: 3-card Y Raise of SQT > 5 ? 2M or 3m support ? partner's §
cf 2NT ! Response to Alternative TODO: Alternative Opening 2NT Y § 3NT prioritise 4c§ ? (Shift by 2HCP) (Forcing)
Rebid strong § 6c§ ? Y (Non-forcing)
Show NT §-preference
30 Response to Acol Game-force Opening
Orange Book §5D5. Alert ! Strength in Strong Two Clubs: § Penalty overcalled § & Y 2C ! overcall Double overcall > 2S ? CAVEAT: Negative Double if < 2NT
Pass < 8 HCP ? Y Pass
Feasibility depends on level of overcall Natural Rebid positive bid Orange Book §5E1(a). Alert ! Negative: < 8 HCP ? Y Balanced ? Y No longer 2D ! Game-forcing
< 25 HCP ? Y 2NT
5c§ of Y Y Y 5cM ? 2M < 28 HCP ? 3NT SQT > 5 ?
Appropriately § 3m shifted response overcall to Opening 2NT
3-card Y Strength in Raise Y support ? overcalled § ? What if matches long § ? Should one support before showing own § ? TODO Query
Y Lowest Penalty Y Quantitative Raise: < 11 HCP ? Y 2NT Balanced ? Pass < 31 HCP ? NT Double double jump to 4NT
Leaving room to investigate Slam
Respond 3NT ? naturally May have May have two 5c§s two 5c§s
Higher-ranking Higher-ranking Unbalanced ? Y strong § strong §
3NT 3c support ? Y Raise Y 3c support ?
5c§ of Change NT Rebid Y SQT > 5 ? § ie 2NT or 3NT
Minimum NT ! (2nd Negative)
31 Response to Benjamin Game-force Opening
Strength in Benjamin § Penalty overcalled § & Y 2D ! overcall Double overcall > 2S ? CAVEAT: Orange Book §5D5. Negative Double Alert ! if < 2NT
Pass < 8 HCP ? Y Pass
Feasibility depends on level of overcall Natural Rebid positive bid
Negative: < 8 HCP ? Y Balanced ? Y 2H ! Orange Book §5E1(a). Alert ! 5c§ of Y Y 5cS ? Y 2S < 28 HCP ? 3NT SQT > 5 ? cf. 2H !
Y 5cH ? 3H < 31 HCP ? Y
Query
§ Quantitative Raise: 3m overcall double jump to 4NT
3-card Y Strength in Raise Y ? support ? overcalled § ? What if matches long § ? Should one support before showing own § ? TODO Y Lowest Penalty < 11 HCP ? Y 2NT Balanced ? Pass NT Double
Leaving room to investigate Slam
Respond 3NT naturally May have May have two 5c§s two 5c§s
Higher-ranking Higher-ranking Unbalanced ? Y strong § strong §
3NT 3c support ? Y Raise Y 3c support ?
5c§ of Change NT Rebid Y SQT > 5 ? § ie 2NT or 3NT
Minimum NT ! (2nd Negative)
32 Penalty 1NT Double Exit Transfers
Orange Book §5C1. Announce; '12-14'
5C ? Y Redouble ! 2C
5D ? Y 2C ! 2D
5H ? Y 2D ! 2H
5S ? Y 2H ! 2S
Balanced ? Y 11 HCP ? Y 2S ! 2NT
12 HCP ? Y 2NT
(Forcing) Redouble Pass !
Two 2 of 4c§s ? Y lower-ranking § (Not § beneath)
Pass ie Play 1NT Redoubled
33 Orange Book §5E4(a). Response to Weak Gambling 3NT Alert ! Weak Gambling 3NT
Stopper in 5 Quick Tricks both M & one m Grand Slam Invitation: & 1st-round control & lead into Y Y 5NT in three §s ? other m ?
4 Quick Tricks & Quantitative Raise: nd Y 2 -round control ? 4NT
Game Jump to Jump to 4C ! Pass 8 Playing Tricks ? in m ? Y 5C ! Y 7NT
C § ? Y Pass Y C § ? 8 Playing Tricks ? Y 6NT
4D 5D Pass
34