SPECIAL DOUBLES NOTRUMP OVERCALLS After Overcall: Penalty Direct: 15 to 18 Systems on NAMES Piotr Klimowicz - Robert Lebi Negative thru 4♥ Conv. GENERAL APPROACH Balancing: 11 to 16 Responsive : thru 4♥ Maximal TRANSFERS over 1♣ opening Jump to 2NT: Minors 2 Lowest Support: Dbl. thru 2,3 Redbl Two Over One: Game Forcing Game Forcing ExceptWhen Suit Rebid Conv. 2♣=size ask; DONT runouts Card-showing Min. Offshape T/O VERY LIGHT: Openings 3rd Hand Overcalls Preempts Snap Dragon, Equal level conv. C/D DEFENSE VS NOTRUMP FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other vs: Strong Weak SIMPLE OVERCALL NOTRUMP OPENING BIDS 2♣ Majors same 1NT 2NT 20 to 21 1 level 7+ to 17 HCP (usually) 2♦ ♥ or ♠ same 14+ to 17 3♣ Puppet Stayman Puppet Stayman often 4 cards very light style 2 ♥ Transfer Responses: ♥ + m same to 3♦ FG 5-5m Responses 2♠ ♠ + m same Jacoby Texas 5-card Major common 3♥ 3-1-(5-4) New Suit: Forcing NFConst NF 3 Dbl: 4M-5+m Pen. 3♠ 1-3-(5-4) ♠ Tr to 3NT Jump Raise: Forcing Inv. Weak Other2NT=minors System on over 2♣, X Both minors Transfers advances; JQ=mixed raise Capp over our dbl of Wk NT 2♣ Stayman Puppet 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT to Gambling 1, 2 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 (Fast denies) Conventional NT Openings Intermediate in balancing Jump Shift:Forcing Inv. Weak 2♠ Range ask,or ♣ Neg. Double :2,3 Transfer Lebensohl Redouble implies no fit 2NT ♦ or wk. ♣+♦ Other: Mod Baze DONT runouts 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. Mod KC Other Transfers over x; fit showing(3)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: 4NT=any 2 suits 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 2NT=asking; 3♣=P/C; 3♦=M raise Other: Leaping Michaels Other: 1♥-2♠;1♠-3♥=mixed raise M Single raise Other: 2♠=6-9constr raise SLAM CONVENTIONS Gerber : 4NT: Blackwood RKC 1430 1NT: Forcing Semi-forcing Frequently bypass 4+♦ 4♠=KC for ♥; Minorwood; 6KCB 2NT: Forcing Inv. to 1NT/1♣ 8 to 10 Dbl=1st. step; P=2nd. step; R1P2; DEPO at 5-6 level;EXL=0,1,2, 3NT: to 2NT Forcing Inv. 12 to 14 vs Interference: DOPI DEPO Level: ROPI Drury : Reverse 2-Way Fit 3NT: 15+ to 17 (bal) 2NT(PH)=minors;3♣,3♦ =unbal/bal Other 1♣-2♦=5+♦,gf;1m-2♥=5+♠-4+♥ LEADS (circle card led, if not in bold) DEFENSIVE CARDING Other: Fit jumps 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 Std Remainder Cnt 2♣ Strong Other Controls; Kokish A K x T 9 x A K J x A Q J x 2♦ Resp: Neg Waiting 3♣,♦,♥,♠ = transfers Q x K T x A T 9 A 9 x K J J T Upside-Down: 5 to 10 HCP 5/6 ♥ or ♠ 3/4♥=P/C; 4♣;♦ 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 6+♥ Transfers over Dbl 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 6+♠ Transfers over Dbl 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 K=power lead vs NT; Attitude vs NT OTHER CARDING OTHER CONV. CALLS: New Minor Forcing: 2-Way NMF Rusinow/NT-4+ length Smith EchoR Weak Jump Shifts: In Comp. Not in Comp. Transfer advances Primary signal to partner's leads Trump Suit Pref. 4th Suit Forcing: 1 Rd. Game Transfers over 2NT rebids; Leb in comp. Attitude Count Suit preference Foster Echo Transfers over 1♣; 1m-(1♥)-1♠=art. no 4M; Suction vs. Str ♣;2♣; SPECIAL CARDING PLEASE ASK Unus vs Unus (lower for 4th suit=competitive;higher=opener's suit inv.+) Non-serious 3NT; 2NT=Good/Bad by opener Last modified: Mar 19 2020 17:46