SPECIAL DOUBLES NOTRUMP After : Penalty Direct: 15 to17(18)Systems on NAMES Espen Lindqvist and Boye Brogeland Negative thru Conv. GENERAL APPROACH : 12 to 16 Responsive : thru Maximal 1♣ = 2+ clubs with TRF responses. 1♦ = 4+, but not 3343 Jump to 2NT: Minors 2 Lowest Support: Dbl. thru 2♥ Redbl Two Over One: Game Forcing Game Forcing ExceptWhen Suit Rebid Conv. Card-showing Min. Offshape T/O VERY LIGHT: Openings 3rd Hand Overcalls DEFENSE VS NOTRUMP FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other vs: Weak Strong SIMPLE OVERCALL NOTRUMP OPENING BIDS 2♣ Both M Both M 1NT 2NT 20 to 21 1 level 8 to 16 HCP (usually) 2♦ One M comp One M comp 15 to 17 3♣ Puppet-Stayman Puppet Stayman often 4 cards very light style 2 Transfer Responses: ♥ H constr H constr to 3♦ Both minors GF Responses 2♠ S constr S constr Jacoby Texas 5-card Major common 3♥ Short H (may be 4S) New Suit: Forcing NFConst NF 3 Dbl: Penalty Penalty 3♠ Short S (with 3H) ♠ Both minor Jump Raise: Forcing Inv. Weak OtherVs strong NT 4th or passed: System on over D = One m/MM, 2♣/2♦ C/D+M 2♣ Stayman Puppet 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT to Gambling (solid minor) JUMP OVERCALL OVER OPP'S T/O DOUBLE Forcing Stayman Smolen 3D and 3H Strong Intermediate Weak New Suit Forcing:1 level 2 level 2♥ Transfer to ♠ Lebensohl ( denies) Conventional NT Openings But according to vulnerabilities Jump Shift:Forcing Inv. Weak 2♠ Range ask or C Neg. Double : Redouble implies no fit 2NT D or weak mm Other: TRF LEB after overcalls OPENING PREEMPTS 2NT Over Limit+ Limit Weak Sound Light Very Light MAJOR OPENING MINOR OPENING Majors NF 3/4-bids Minors Expected Min. Length 4 5 Expected Min. Length 4 3 0–2 Conv. Conv./Resp. 3♣ - 3♦ with various hands Other 1M - (Dbl) - Jumps = SPL 1st/2nd 1♣ 3rd/4th 1♦ DIRECT CUEBID VS Opening Preempts Double Is RESPONSES RESPONSES OVER: Minor Major Takeout thru Penalty Natural Double Raise: Force Inv. Weak Double Raise: Force Inv. Weak Conv. Takeout: Strong T/O After Overcall: Force Inv. Weak After Overcall: Force Inv. Weak Lebensohl 2NT Response Michaels Conv. Raise: 2NT 3NT Splinter Forcing Raise: J/S in other minor If 1♣ 2+, 2♣ is NAT, else Michaels Other: TRF LEB 3-L if not passed Other: Single raise Other: Inverted SLAM CONVENTIONS Gerber : 4NT: Blackwood RKC 1430 1NT: Forcing Semi-forcing Frequently bypass 4+♦ 2NT: Forcing Inv. to 1NT/1♣ 11 to 12 3NT: to 2NT Forcing Inv. 13(19)to15(20) vs Interference: DOPI DEPO Level: ROPI Drury : 2-Way Fit 3NT: 16 to 18 Other 1♦ - 2N = INV, 1♦ - 3N=13-15 LEADS (circle card led, if not in bold) DEFENSIVE CARDING Other: 3D = Mixed raise, 4-level versus Suits versus Notrump vs SUITS vs NT Standard: DESCRIBE RESPONSES/REBIDS x x x x x x x x x x x x Except to HCP x x x x x x x x x x x x x x x x We give little STD count, 2♣ Strong Other Could be tricks 2N =C, 3♣=D, 3♦=mm A K x T 9 x A K J x A Q J x but lots of suit preference 2♦ Resp: Neg Waiting 2♣ - 2♦ - 3M = M(4)+D Q x K T x A T 9 A 9 x K J J T Upside-Down: to HCP Multi; 0-7 one M/GF Q J x K T 9 x K Q J x K Q T 9 2♦ count Natural: Weak Intermediate Strong Conv. 2NT Force New Suit NF J T 9 Q T 9 x Q J T x Q T 9 x attitude 8 to 11 HCP 6+H K Q T 9 J T 9 x T 9 x x 2♥ FIRST DISCARD Natural: Weak Intermediate Strong Conv. 2NT Force New Suit NF LENGTH LEADS: Lavinthal 8 to 11 HCP 6+S 4th Best vs SUITS vs NT Odd/Even 2♠ Natural: Weak Intermediate Strong Conv. 2NT Force New Suit NF 3rd/5th Best vs SUITS vs NT Attitude Normally top of seq or innerAttit useq,de vbuts NT OTHER CARDING OTHER CONV. CALLS: New Minor Forcing: 2-Way NMF may lead J from QJx and 9 from H109x Smith Echo Weak Jump Shifts: In Comp. Not in Comp. Primary to partner's leads Suit Pref. 4th Suit Forcing: 1 Rd. Game Attitude Count Suit preference Foster Echo SPECIAL CARDING PLEASE ASK Last modified: Jul 21 2020 04:48