SPECIAL DOUBLES NOTRUMP OVERCALLS After Overcall: Penalty Direct: 15 to 18 Systems on NAMES Matthias Felmy - Alex Smirnov Negative thru 3♠ Conv. in VUL 16-18 GENERAL APPROACH Balancing: dependsto Responsive : thru 3♠ Maximal 2/1 GF, 1C 2+ Transfer Walsh, 1♦ 5332 WEAK BAL or 4+♦ unbal, 1NT Variable 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: SIMPLE OVERCALL NOTRUMP OPENING BIDS 2♣ LANDY 1NT 2NT 19+ to 21 1 level 7 to 18 HCP (usually) 2♦ 1 Major 13+ to 16 3♣ Transfer to ♦ Puppet Stayman often 4 cards very light style 2♥ 5+♥ 4+m Transfer Responses: 11-13 to FAV1/2 3♦ GF ♦, short ♣ Responses 2♠ 5+♠ 4+m Jacoby Texas 5-card Major common 3♥ short ♥ with 55m New Suit: Forcing NFConst NF 3 Dbl: 15+ 3♠ short ♠ with 55mm ♠ 5+4+ minors Jump Raise: Forcing Inv. Weak Other System on over Rubens Transfer 2♣ Stayman Puppet 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT to 1 Major / nat. 3rd seat 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 ( denies) Conventional NT Openings Jump Shift:Forcing Inv. Weak 2♠ inv to 3NT / ♣ Neg. Double : Redouble implies no fit 2NT puppet stayman Other: 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. Other xfers after 1♦♥♠ (x) from 1NT1st/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 Other: Other: Single raise Other: SLAM CONVENTIONS Gerber : 4NT: Blackwood RKC 1430 1NT: Forcing Semi-forcing Frequently bypass 4+♦ mixed Control Bids, up-the-line, sometimes nonserious 3♠/3NT, sometimes 2NT: Forcing Inv. to 1NT/1♣ 11 to 12 shortness ask/showing, DIPO/RIPO 3NT: to 2NT Forcing Inv. to vs Interference: DOPI DEPO Level: ROPI Drury : Reverse 2-Way Fit 3NT: 13 to 15 Other Transfer Walsh after 1♣ LEADS (circle card led, if not in bold) DEFENSIVE CARDING Other: 2NT/3NT artificial raises 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+ bal or any GF2♦ positiv A K x T 9 x A K J x A Q J x 2♦ Resp: Neg Waiting 2♥ negativ 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 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 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 usually count 2/4, low from doubleton Attitude vs NT OTHER CARDING OTHER CONV. CALLS: New Minor Forcing: 2-Way NMF 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: Mar 10 2021 11:00