SPECIAL DOUBLES NOTRUMP NAMESPaddy Allan - Don Kersey After : Penalty Direct: 15 to 18 Systems on GENERAL APPROACH Negative thru4D Conv. Precision with transfer positives Responsive: thru4D Maximal Balance: 11 to 15 Two Over One: Game Forcing Game Forcing Except When Suit Rebid Support: Dbl thru2S 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♣ 5-5 minors, weak 2NT 20 to 21 2♣ One suiter 1-level 8+ to HCP (usually) 10 to 12 3♦ 5-5 minors, strong Puppet Stayman Often 4 cards Very light style 2♦ Majors 12 to 15 Responses 2♥ Hearts + minor 3♥ Transfer Responses: New Suit: Forcing NFConst NF 2♠ Spades + minor 5-Card Major Common 3♠ Jacoby Texas Jump Raise: Forcing Inv. Weak Dbl Penalty System On Over2C 3♠ Other: 2♣ Stayman Puppet JUMP OVERCALL 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT 24 to 25 Strong Intermediate Weak OVER OPP'S T/O DOUBLE Forcing Stayman Smolen New Suit Forcing: 1-level 2-level 2♥ Transfer to ♠ ( Fast denies) Conventional NT Openings OPENING PREEMPTS Redouble implies no fit 2♠ Transfer to C Sound Light Very Light 2NT Over Limit + Limit Weak 2NTTransfer to D escapes 3/4-bids Majors MAJOR OPENING MINOR OPENING Conv./Resp. Minors Other: 1NT over 1 maj * raise Expected Min. Length 4 5 Expected Min. Length 4 3 NF 0-2 Conv. DIRECT CUEBID 1st/2nd 1♣ Over: Minor Major VS OPENING DOUBLE IS 3rd/4th 1♦ Natural Takeout thru4H Penalty Strong T/O Conv. Takeout: RESPONSES RESPONSES Michaels Lebensohl 2NT Response Double Raise: Force Inv. Weak Double Raise: Force Inv. Weak After Overcall: Force Inv. Weak After Overcall: Force Inv. Weak Other: Conv. Raise: 2NT 3NT Splinter Forcing Raise: J/S in other minor SLAM CONVENTIONS Gerber 4NT: Blackwood RKC 1430 Other: Const raise Single raise Other: Minorwood 1NT: Forcing Semi-forcing Frequently bypass 4+♦ 2NT: Forcing Inv. to 1NT/1♣:8+ toC vs. Interference: DOPI DEPO Level:5 our suit ROPI 3NT: to 2NT: Forcing Inv. 10+ to12- LEADS (click card led, if not in bold) DEFENSIVE CARDING Drury : 2-Way Fit 3NT:13 to15 versus Suits versus Notrump vs Suits vs NT Other: Other: Splinter; no-name;2N rebid 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/REBIDS A K x 10 9 x A K J x A Q J x 2♣11 to 15 HCP 5+ C, if 5C also 4 major 2♦ asking K Q x K J 10 x A J 10 9 A 10 9 8 Upside-Down Count Strong Other Q J x K 10 9 x K Q J x K Q 10 9 Upside-Down Attitude 2♦ Response: Neg Waiting J 10 x Q 10 9 x Q J 10 x Q 10 9 8 FIRST DISCARD 2♦ 11 to 15 HCP 3-suited short D 2NT asking K Q 10 9 J 10 9 x 10 9 8 x Lavinthal Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF Length Leads: Odd/Even 2♥11 to 15 HCP 5H, 4S 2NT asking 4th Best vs Suits vs NT Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF 3rd/5th Best vs Suits vs NT OTHER CARDING Attitude Attitude vs NT 2♠5 to 10 HCP 2NT feature, 3♣ short 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 OTHER CONV CALLS: 2-Way NMF Check back Stayman Weak jump shifts: In Comp. Not In Comp. Fit jumps in comp/by PH 4th Suit Forcing: 1 Round To Game SPECIAL CARDING PLEASE ASK Unusual v unusual

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