4/28/2014 Bridge Base Online Home SPECIAL DOUBLES NOTRUMP OVERCALLS NAMES After Overcall: Penalty Direct: 14 to 17 Systems on GENERAL APPROACH Negative thru4 h Conv. Responsive: thru4 H Maximal Balance: 11 to 14 Jump to 2NT: Minors 2 Lowest Two Over One: Game Forcing Game Forcing Except When Suit Rebid Support: Dbl thru2 S Rdbl Conv. VERY LIGHT: Openings 3rd Hand Overcalls Preempts Card-showing Min. Offshape T/O DEFENSE VS NOTRUMP FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other vs: BROZEL NOTRUMP OPENING BIDS SIMPLE OVERCALL CLUBS AND 2♣ 1NT 3♣slam try in clubs 2NT 20 to `21 HEAR 1-level 7+ to HCP (usually) Puppet Stayman DIA AND 15 to 17 3♦ slam try in diamon Often 4 cards Very light style 2♦ HEARTS to 3♥single h, 3 s,9-14 Transfer Responses: Responses 2♥ H AND SPADES 5-Card Major Common 3♠single s, 3h, 9-14 Jacoby Texas New Suit: Forcing NFConst NF SPADES AND System On Overdouble 3♠relay to 3nt, 4c is Jump Raise: Forcing Inv. Weak 2♠ MIN 2♣ Stayman Puppet non force to game club st, d is dia suit Dbl single suit 2♦ Transfer to ♥ 4♦, 4♥ Transfer 3NT to JUMP OVERCALL Other: 2n+minors Forcing Stayman Smolen acol 9 tr, all suits s Strong Intermediate Weak 2♥ Transfer to ♠ Lebensohl ( denies) Conventional NT Openings 4c, 4d namyats, hearts & spdes OVER OPP'S T/O DOUBLE 2♠ 2h AND 2S TO PL Negative Double New Suit Forcing: 1-level 2-level 2NTinvitational 8-9 OPENING PREEMPTS Redouble implies no fit Sound Light Very Light 2NT Over Limit + Limit Weak MAJOR OPENING MINOR OPENING 3/4-bids Majors Expected Min. Length 4 5 Expected Min. Length 4 3 NF 0-2 Conv. Conv./Resp. Minors 1st/2nd 1♣ DIRECT CUEBID Other: 3rd/4th 1♦ Over: Minor Major VS OPENING PREEMPT DOUBLE IS Natural Takeout thru4 H Penalty RESPONSES RESPONSES Strong T/O Conv. Takeout: Double Raise: Force Inv. Weak Double Raise: Force Inv. Weak Michaels Lebensohl 2NT Response 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: Single raise Other: 1NT: Forcing Semi-forcing Frequently bypass 4+♦ 2NT: Forcing Inv. to 1NT/1♣:8 to10 vs. Interference: DOPI DEPO Level: ROPI 3NT: to 2NT: Forcing Inv. 11 to12 3NT:13 to15 LEADS (click card led, if not in bold) DEFENSIVE CARDING Drury : Reverse 2-Way Fit versus Suits versus Notrump vs Suits vs NT NAMYATS: 4 c=h, 4D=s Other: x x x x x x x x x x x x Standard: Other: no voi 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♣22+ to HCP OR 8AND 1/2 TRICKS CONTROLS K Q x K J 10 x A J 10 9 A 10 9 8 Upside-Down Count Q J x K 10 9 x K Q J x K Q 10 9 Strong Other 2 d, 0 OR 1, 2h=2, 2S Upside-Down Attitude J 10 x Q 10 9 x Q J 10 x Q 10 9 8 FIRST DISCARD 2♦ Response: Neg Waiting K=1, a=2 COMTROL IS a&k, 2N=3k K Q 10 9 J 10 9 x 10 9 8 x Lavinthal 2♦ 5 to 10 HCP 2N FOR FEAT Length Leads: Odd/Even 4th Best vs Suits vs NT Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF 3rd/5th vs Suits vs NT 2♥ 5 to 10 HCP Best OTHER CARDING Smith Echo Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF Attitude vs NT Trump Suit Pref. 2♠ 5 to 10 HCP Foster Echo Natural: Weak Intermediate Strong Conv 2NT Force New Suit NF Primary signal to partner's leads Attitude Count Suit Preference 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 over 2d stayman, 3 nt over a minor is low interest,suit is cue bi Software by Bridge Base Online Ltd. - www.bridgebase.com http://www.bridgebase.com/client/client.php 1/1.