SPECIAL DOUBLES NOTRUMP OVERCALLS NAMES # After Overcall: Penalty Direct: 15to 18 Systems On GENERAL APPROACH Negativeof thru 1 D or 2 D with 4+ hearts Over Weak 2: 16 to 19 Systems On MIT/DL Bridge Club Standard or 2/1 Responsive : thru Balancing: 11 to 15 Systems Off AllTWO partners OVER play ONE: BLACKGame Forcingand may Gamechoose Forcing to play ExceptRED When(alert) Suit Rebid Support: Dbl. Redbl Jump to 2NT:5-5 Minors or longer 2 Lowest Negative thru 3 D Conv. FORCING OPENING: 1A 2A N DEFENSE VS NOTRUMP NOTRUMP OPENING BIDS vs: Cappelletti/Hamilton/Pottage: 2NT 20to 21 SIMPLE OVERCALL 1NT 6+ A, invites 3NT 15 17 3 A Puppet Stayman 1 level8 to 17 HCP (usually) 2 A unspecified 6+ card suit (2 B asks) to 2 B 3 B 6+ B, invites 3NT Transfer Responses: oftenmay be4 cards a great 4 cards very at light 1-level style 5+ C and 5+ D (5-4 OK if good hand) to 3 C 6+ C, forcing, inv slam Jacoby Texas Responses 2 C 5+ C and 5+minor (4 minor OK if g.h.) D 6+ D, forcing, inv slam 3D New Suit: Forcing Forcing NF 2 D 5+ D and 5+minor (4 minor OK if g.h.) System on over Double 3 Jump Raise:Rais Inv.Weak Dbl: penalty (systems off) 2 A Stayman minor suit after Stayman is forcing Other 2 B Transfer to C 4B, 4 C = Texas thru 4 A 3NT 25to 27 Forcing Stayman Smol Stayman, transfers, 4NT inv JUMP OVERCALL OVER OPP'S T/O DOUBLE 2 C Transfer to D Lebensohl (fast denies) Conventional NT Openings Strong Intermediate Weak New Suit Forcing: 1 level 2 level 2 D forces 3 A for signoff in a minorNeg. Double Jump Shift: Forcing Inv. Weak 2NT natural, invites 3NT Other: OPENING PREEMPTS Redouble impliesImplies nono fitfit MAJOR OPENING MINOR OPENING Sound Light Very Light NF 2NT Over Limit + 2NT is a raise, at Expected Min. Length 4 5 Expected Min. Length4 3 3/4-bids least inviting game Majors 1st/2nd 1A Conv./Res by vulnerability Minors 3rd/4th 1B Double Raise: Inv. Weak DIRECT CUEBID RESPONSES RESPONSES OVER: Minor Major VS Opening Preempts Double Is Double Raise: Force Inv. Weak Double Raise: Force Inv. Weak Natural (normally alert) Takeout thru 4C Penalty After Overcall: Force Inv. Weak After Overcall: Force Inv. Weak in either suit if opponents have bid two suits S Conv. Takeout: Conv. Raise: 22NT Splinter Forcing Raise: J/S in other minor Michaels 5-5 or longer Lebensohl 2NT Response Other: Jacoby: 4M=weak 3NT=med 3M=str Single Raise: force to 2NT, LR+ Weak majors major & a minor Other: 3suit=singleton/void 4suit=5+card good suit Frequently1B-2 A game bypass force. 4 +1 BB-3 A invitational. SLAM CONVENTIONS Gerber : 4NT: Blackwood RKC1430 1430 2NT: Forcingnatural, 11 to 12 Inv. to 6to 10 4A Gerber over 1NT & 2NT openings, responses & rebids: 0/4, 1, 2, 3 3NT: 16to 17 2NT Forcing Inv. to 1NT Forcing 2NT 11 to 12 After Blackwood (Gerber): 5NT (5 A) asks for: number of kings Drury : Reverse 2-Wa vs Interference: DOPI Double=0 (first step), Pass=1 (second step), then bid steps. Other: 2/1 game force 3NT 13 to 15 LEADS (circle card led, if not in bold) DEFENSIVE CARDING DESCRIBE RESPONSES/REBIDS versus Suits versus Notrump vs SUITS vs NT 2A to HCP 22+ or 9+ tricks double weak with length: Standard: penalty x x x x x x x x x x x x Strong Other Except 2NT rebid: sys on if waiting, lacks a good suit x x x x x x x x x x x x x x x x 2B Resp: Neg. Waiting A K x T 9 x A K Jx A Q J x 2B 5to 11 HCP normally a good 6-card suit new suit forcing by unpassed K Qx K J T x A JT 9 A T 9 x Upside-Down: Natural: Weak Intermediate Strong Conv. 2NT Force bid A or K if max Q J x K T 9 x K Q J x K QT 9 count C 5to 11 HCP normally a good 6-card suit new suit forcing by unpassed J T x QT 9 x Q JT x QT 9 x 2 attitude Natural: Weak Intermediate Strong Conv. 2NT Force bid A or K if max K QT 9 J T 9 x T 9 x x FIRST DISCARD 2D 5to 11 HCP normally a good 6-card suit new suit forcing by unpassed LENGTH LEADS: Lavinthal Natural: Weak Intermediate Strong Conv. 2NT Force bid A or K if max 4th Best vs SUITS vs NT Odd/Even 3rd/5th Best vs SUITS vs NT OTHER CONV. CALLS: New Minor Forcing:after opener's 2-Way 1NT NMF rebid only Attitude vs NT OTHER CARDING Weak Jumpjump shiftShifts notalways in Comp. 4th Suit Forcing: 1 Round Game Smith Echo Primary signal to partner's leads Over opener's strength-showing reverse: either direct raise strongest, 2NT=Lebensohl. Trump Suit Pref. Attitude Count Suit Preference Foster Echo Partner opens/overcalls: cue bid of opponent's suit is a raise, at least inviting game (LR+) SPECIAL CARDING PLEASE ASK Copyright © ACBL CC Editor 1.0.15 (MITDLBC-INDY-2019-11 11-19-2019 21:03:34) November 2019.