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BBO ACBL - Midchart CC 12/4/17, 155 PM

SPECIAL DOUBLES NOTRUMP Chris Gibson and Chris NAMES After : Penalty Direct: 15+ to 18 Systems on Wiegand Negative thru7H Conv. GENERAL APPROACH Responsive: thru7H Maximal Balance: 11 to 16 Precision, strong NT, relatively light openings Support: Dbl thru2H Rdbl Jump to 2NT: Minors 2 Lowest Two Over One: Game Forcing Game Forcing Except When Suit Rebid Card-showing Min. Offshape T/O Conv.Range Stayman VERY LIGHT: Openings 3rd Hand Overcalls snapdragon, lead inhibiting/dire DEFENSE VS NOTRUMP FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other 3N SIMPLE OVERCALL vs: UPH PH 1-level 7 to + HCP (usually) 2♣ D or H & S Same NOTRUMP OPENING BIDS Often 4 cards Very light style 2♦ H or S & C Same 1NT 3♣ 4x1; resp stayman 2NT 22 to 23 Responses 2♥ S or C & D Same 14 to 16 3♦ MInors; GF Puppet Stayman C or D & H Same New Suit: Forcing NFConst NF 2♠ 15 to 17 3♥ 3=1-(5/4) GF Transfer Responses: Dbl penalty C&H or D&S Jump Raise: Forcing Inv. Weak 5-Card Major Common 3♠ 1=3-(5/4) GF Jacoby Texas Jump Q = mixed; xfer adv Other: 2N = C & H or D & S all suit bids = same as 2 level System On OverX, 2C 3♠ ->3N; min hand w/FF JUMP OVERCALL 2♣ Stayman Puppet KC resp. Strong Intermediate Weak OVER OPP'S T/O DOUBLE New Suit Forcing: 1-level 2-level 2♦ Transfer to ♥ xfer McCabe 4♦, 4♥ Transfer 3NT to Redouble implies no fit Forcing Stayman Smolen ; 1 maj OPENING PREEMPTS 2NT Over Limit + Limit Weak 2♥ Transfer to ♠ ( Fast denies) Conventional NT Openings Sound Light Very Light Majors 2♠ Size ask or C 2&3 3/4-bids Minors 2NTD; 3D accepts xfer McCabe Rubensohl Conv./Resp. Other: xfer adv. 2N over D = GF DIRECT CUEBID VS OPENING DOUBLE IS MAJOR OPENING MINOR OPENING Over: Minor Major Takeout thru Penalty Expected Min. Length 4 5 Expected Min. Length 4 3 NF 0-2 Conv. Natural Strong T/O Conv. Takeout: 1st/2nd 1♣ Michaels Lebensohl 2NT Response 3rd/4th 1♦ 2H/1D = michaels if short D Other: RESPONSES RESPONSES SLAM CONVENTIONS Gerber 4NT: Blackwood RKC 1430 Double Raise: Force Inv. Weak Double Raise: Force Inv. Weak Redwood; Preempt KC (1st=0); Modified Q asks; specific K; After Overcall: Force Inv. Weak After Overcall: Force Inv. Weak dbl = 0, pass = contrl in suit; rdbl = control/0. Exclusion 0314 Conv. Raise: 2NT 3NT Splinter Forcing Raise: J/S in other minor vs. Interference: DOPI DEPO Level: ROPI Other: 2D = LR+, 1M-3M = mixed Single raise Other: 2D/2H/2S LEADS (click card led, if not in bold) DEFENSIVE CARDING Frequently bypass 4+♦ versus Suits versus Notrump vs Suits vs NT 1NT: Forcing Semi-forcing 1NT/1♣:H toGF x x x x x x x x x x x x Standard: 2NT: Forcing Inv. 14+ to 2NT: Forcing Inv. 14 to16 x x x x x x x x x x x x x x x x Except 3NT:14 to16 3NT:17 to18 A K x 10 9 x A K J x A Q J x Frequent SP, infrequent cnt Drury : 2-Way Fit 1N/1D = 10-13 bal; 2C/1D K Q x K J 10 x A J 10 9 A 10 9 8 Upside-Down Count Other: Other: Kokish, 2C = art GF, 1H-2S NF Q J x K 10 9 x K Q J x K Q 10 9 Upside-Down Attitude J 10 x Q 10 9 x Q J 10 x Q 10 9 8 FIRST DISCARD DESCRIBE RESPONSES/REBIDS K Q 10 9 J 10 9 x 10 9 8 x Lavinthal 2♣ 10 to 15 HCP 6+C, does not deny 2D ask; 2M=NF const; Length Leads: Odd/Even Strong Other 4 or 5 card major 3C inv; 2N=wk C or GF 4th Best vs Suits vs NT 2♦ Response: Neg Waiting 2 suiter; 3M = GF 3rd/5th Best vs Suits vs NT OTHER CARDING K=Cnt/Unblock vs NT Attitude vs NT 2♦ 9 to 12 HCP 6+ D, maybe 4-5 major 2H ask; 2M/N - NF Con; Smith Echo Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF Primary to partner's leads Suit Pref. Attitude Count Suit Preference Foster Echo 2♥ 4 to 9 HCP 5+H Mod Ogust; xfer McCabe Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF SPECIAL CARDING PLEASE ASK 2♠ 4 to 9 HCP 5+S Mod Ogust; xfer McCabe Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF OTHER CONV CALLS: 2-Way NMF xfer xyz Software by Bridge Base Online Ltd. - Weak jump shifts: In Comp. Not In Comp. Fit Jumps in comp; 4th Suit Forcing: 1 Round To Game 1M/3m = inv. Un vs un; www.bridgebase.com relays over 1C (usually transfers); DAF; Cyclone/SFA

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