22/06/2020 BBO ACBL - Convention Card

SPECIAL DOUBLES NOTRUMP NAMESMarcos Toma - Raul Leon After : Penalty Direct: 15 to 17 Systems on GENERAL APPROACH Negative thru4H Conv. Responsive: thru4H Maximal Balance: to Two Over One: Game Forcing Game Forcing Except When Suit Rebid Support: Dbl thrumaximal Rdbl Jump to 2NT: Minors 2 Lowest VERY LIGHT: Openings 3rd Hand Overcalls Card-showing Min. Offshape T/O Conv. FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other DEFENSE VS NOTRUMP NOTRUMP OPENING BIDS SIMPLE OVERCALL vs: 1NT 3♣ 5+C ; 4+D 2NT 19+ to 21 1-level 7 to 17 HCP (usually) 2♣ a single suit Often 4 cards Very light style 2♦ majors 14 to 17 3♦ 5+D ; 4+C Puppet Sta Responses 2♥ H + minor to 3♥ shortness w/minors Transfer Res New Suit: Forcing NFConst NF 2♠ S + minor 5-Card Major Common 3♠ shortness w/minors Jacoby T Jump Raise: Forcing Inv. Weak Dbl points System On Overcapelleti 3♠ minors Other: 2nt = minors 2♣ Stayman Puppet JUMP OVERCALL 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT to Strong Intermediate Weak OVER OPP'S T/O DOUBLE Forcing Stayman Smolen New Suit Forcing: 1-level 2-level 2♥ Transfer to ♠ Lebensohl ( 3C denies) Conventional N OPENING PREEMPTS Redouble implies no fit 2♠ transfer to C Negative Double Gambling 3NT Sound Light Very Light 2NT Over Limit + Limit Weak 2NTtransfer to D 3/4-bids Majors Conv./Resp.natural Minors MAJOR OPENING MINOR OPENING Expected Min. Length 4 5 Expected Min. Length 4 3 NF 0 DIRECT CUEBID Other: same after double Over: Minor Major VS OPENING DOUBLE IS 1st/2nd 1♣ Natural Takeout thru7H Penalty 3rd/4th 1♦ Strong T/O Conv. Takeout: RESPONSES RESPONSES Michaels Lebensohl 2NT Response Double Raise: Force Inv. Weak Double Raise: Force Inv. W Other: After Overcall: Force Inv. Weak After Overcall: Force Inv. W Conv. Raise: 2NT 3NT Splinter Forcing Raise: J/S in other mino SLAM CONVENTIONS Gerber 4NT: Blackwood RKC 1430 Other: Single raise Other: cue bids ; exclusion kc ; GSF ; Josephine 1NT: Forcing Semi-forcing Frequently bypass 4+♦ vs. Interference: DOPI DEPO Level:5 or above ROPI 2NT: Forcing Inv. to 1NT/1♣:6 to9 3NT:12 to15 2NT: Forcing Inv. 10 to11 LEADS (click card led, if not in bold) DEFENSIVE CARDING Drury : 2-Way Fit 3NT:12 to15 versus Suits versus Notrump vs Suits vs NT Other: Other: x x x x x x x x x x x x Standard: x x x x x x x x x x x x x x x x Except DESCRIBE RESPONSES A K x 10 9 x A K J x A Q J x 2♣20 to up HCP Balanced 22+ or any GF 2D = 6+ PH K Q x K J 10 x A J 10 9 A 10 9 8 Upside-Down Count Strong Other 2H = 0-5 PH Q J x K 10 9 x K Q J x K Q 10 9 Upside-Down Attitude 2♦ Response: Neg Waiting 2nt = H J 10 x Q 10 9 x Q J 10 x Q 10 9 8 FIRST DISCARD 2♦ 4 to 10 HCP could be 5 K Q 10 9 J 10 9 x 10 9 8 x Lavinthal Natural: Weak Intermediate Strong Conv 2NT Force New Length Leads: Odd/Even 2♥4 to 10 HCP could be 5 4th Best vs Suits vs NT Natural: Weak Intermediate Strong Conv 2NT Force New 3rd/5th Best vs Suits vs NT OTHER CARDING 2♠4 to 10 HCP could be 5 Attitude vs NT Smith Echo Natural: Weak Intermediate Strong Conv 2NT Force New Primary to partner's leads Suit Pref. Attitude Count Suit Preference Foster Echo OTHER CONV CALLS: New Minor Forcing 2-Way NMF Weak jump shifts: In Comp. Not In Comp. SPECIAL CARDING PLEASE ASK 4th Suit Forcing: 1 Round To Game

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