SPECIAL DOUBLES NOTRUMP OVERCALLS After Overcall: Penalty Direct: 15+ to 18 Systems on NAMES Warren Spector - Gavin Wolpert Negative thru Conv. GENERAL APPROACH Responsive : thru Maximal Balancing: 10 to 16 Jump to 2NT: Minors 2 Lowest Support: Dbl. thru 3S Redbl Two Over One: Game Forcing Game Forcing ExceptWhen Suit Rebid Conv. Card-showing Min. Offshape T/O VERY LIGHT: Openings 3rd Hand Overcalls Preempts DEFENSE VS NOTRUMP FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other vs: Strong (14-16) Weak (13-16) SIMPLE OVERCALL NOTRUMP OPENING BIDS 2♣ Majors Majors 1NT 2NT 19+ to 21 1 level 7 to 17 HCP (usually) 2♦ 1 Major 1 Major 14+ to 17 3♣ puppet stayman Puppet Stayman often 4 cards very light style 2 ♥ ♥ Transfer Responses: ♥ 5 + minor + minor to 3♦ 5-5 minor GF Responses 2♠ 5♠ + minor ♠ + minor Jacoby Texas 5-card Major common 3♥ 315/4 New Suit: Forcing NFConst NF 3 ♣ Dbl: 4M 5+m Penalty 3♠ 135/4 ♠ both minors or Jump Raise: Forcing Inv. Weak Other System on over X, 2♣ 4♣ = ♦ optional KC strong jump shifts 2♣ Stayman Puppet 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT to JUMP OVERCALL OVER OPP'S T/O DOUBLE Forcing Stayman Smolen trsf leb Strong Intermediate Weak New Suit Forcing:1 level 2 level 2♥ Transfer to ♠ Lebensohl (slow denies) Conventional NT Openings Jump Shift:Forcing Inv. Weak 2♠ Range Ask or ♣ Neg. Double : pass denies a stoppr Redouble implies no fit 2NT Trsf ♦ 3♦good Other: dont rescues over stayman X 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. TRSF / 3M (x) Other 1m (X): J/Som = limit+, JR = mixed1st/2nd 1M-2♣=2+ 1♣ 3rd/4th 1♦ DIRECT CUEBID VS Opening Preempts Double Is RESPONSES RESPONSES OVER: Minor Major Takeout thru 4♠ 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 Other: better minor lebensohl Other: 1M-3D=LIMIT 4+M, Two TieredS iSPLngle raise Other: mixed jump raise SLAM CONVENTIONS Gerber : 4NT: Blackwood RKC 1430 1NT: Forcing Semi-forcing Frequently bypass 4+♦ 0314 exclusion specific kings, back to trumps denies the queen after ask 2NT: Forcing Inv. to 1NT/1♣ 7 to 10 one over keycard in minors, poor mans over preempts 3NT: to 13-16 2NT Forcing Inv. 12-15to 18-19 vs Interference: DOPI DEPO Level: ROPI pass denies Drury : Reverse 2-Way Fit 3NT: 16 to 17 Non-Ser 3♠/3NT, transfer Bart Other LEADS (circle card led, if not in bold) DEFENSIVE CARDING Other: 2M promises 6 after 2/1 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 22+ to HCP x x x x x x x x x x x x x x x x 2♣ Strong Other 22-24 BAL or GF Direct 2H = 0-3 no king A K x T 9 x A K J x A Q J x standard present count 2♦ Resp: Neg Waiting 2c-2N = hearts positiveKokish, 3C/3H flip Q x K T x A T 9 A 9 x K J J T Upside-Down: 5 to 10 HCP 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 5 to 10 HCP Trsf over takeout X 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 5 to 10 HCP Trsf over takeout X 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 king count, a/q attitude (againstAttitude NT)vs NT OTHER CARDING OTHER CONV. CALLS: New Minor Forcing: 2-Way NMF 3C = Weak 0 or 2 Higher in middle of hand and when splittingSmith Echo Weak Jump Shifts: In Comp. Not in Comp. Trsf after 2N rebid except 1c-1d-2n Primary signal to partner's leads Trump Suit Pref. 4th Suit Forcing: 1 Rd. Game mathe vs strong ♣ Attitude Count Suit preference Foster Echo Transfers over 1M (X), Negative Double Jumps to 3M-1 in comp = mixed SPECIAL CARDING PLEASE ASK Unusual vs unusual (cheaper cheaper) 4th suit or 2nt or 3rd suit is slow down over reverses. Last modified: Oct 11 2020 10:44.