SPECIAL DOUBLES NOTRUMP OVERCALLS After Overcall: Penalty Direct: 15 to 18 Systems on NAMES Per-Ola Cullin - Marion Michielsen Negative thru 4♥ Conv. GENERAL APPROACH Balancing: 10/11 to 14/16 Responsive : thru 4♥ Maximal strong club 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 Preempts DEFENSE VS NOTRUMP FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other vs: 14+ weak SIMPLE OVERCALL NOTRUMP OPENING BIDS 2♣ both majors both majors 1NT 2NT 9-13 to minor 1 level 7 to 17 HCP (usually) 2♦ 1 major 1 major 14 to 16 NV 3♣ asking for 5crd M Puppet Stayman often 4 cards very light style 2♥ 5+♥ 4+m constructive Transfer Responses: (14)15 to 16 V 3♦ both minors GF Responses 2♠ 5+♠ 4+m constructive Jacoby Texas 5-card Major common 3♥ 31(54) New Suit: Forcing NFConst NF 3 Dbl: pen pen 3♠ 13(54) ♠ Jump Raise: Forcing Inv. Weak Other System on over 2♣: ♥, 2♦: ♠ if possible 2♣ Stayman Puppet 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT to JUMP OVERCALL OVER OPP'S T/O DOUBLE Forcing Stayman Smolen Strong Intermediate Weak New Suit Forcing:1 level 2 level 2♥ Transfer to ♠ Lebensohl ((trf) denies) Conventional NT Openings 3♣: 2 suiter highest+lowest Jump Shift:Forcing Inv. Weak 2♠ ♣ or range ask Neg. Double : 2NT: 9-13 hcp Redouble implies no fit 2NT ♦ Other: both minors 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. 4♣ (4♦) ST Other 1M (x) 1NT to 2M-1 trf 1st/2nd 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 (1M)2M: OM+♣ Other: (non) leaping Michaels Other: 2M-1 good raise, 1♠-3♥ mixed Single raise Other: SLAM CONVENTIONS Gerber : 4NT: Blackwood RKC 1430 1NT: Forcing Semi-forcing Frequently bypass 4+♦ Voidwood 0314 2NT: Forcing Inv. to 1NT/1♣ conv to 3NT: to 2NT Forcing Inv. to vs Interference: DOPI DEPO Level: ROPI Drury : Reverse 2-Way Fit 3NT: to 2♣ GF relay, Other conventional responses /1♣ LEADS (circle card led, if not in bold) DEFENSIVE CARDING Other: 1♠ -2♦: 5+ ♥ 6+hcp 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 10 to 15 HCP x x x x x x x x x x x x x x x x Standard in trick 1 on AK lead 2♣ Strong Other 5♣ 4M or 6♣ A K x T 9 x A K J x A Q J x 2♦ Resp: Neg Waiting 2♦ asking, 2M NF Q x K T x A T 9 A 9 x K J J T Upside-Down: 5 to 9 HCP weak 2 ♥ or ♠ 2M/3M P/C 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 10 to 13 HCP 10-13, 6+ ♥ 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 10 to 13 HCP 10-13, 6+ ♠ 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 low=enc 2/4 thru decl in new suit Attitude vs NT OTHER CARDING OTHER CONV. CALLS: New Minor Forcing: 2-Way NMF (low from xx) Smith Echo Weak Jump Shifts: In Comp. Not in Comp. Primary signal to partner's leads Trump Suit Pref. 4th Suit Forcing: 1 Rd. Game Attitude Count Suit preference Foster Echo SPECIAL CARDING PLEASE ASK Last modified: Nov 23 2020 08:48