SPECIAL DOUBLES NOTRUMP OVERCALLS After Overcall: Penalty Direct: 15 to 17 Systems on NAMES Ivan NANEV - Rosen GUNEV Negative thru 4♥ Conv. GENERAL APPROACH Balancing: 10 to 14 Responsive : thru 4♥ Maximal Precision Jump to 2NT: Minors 2 Lowest Support: Dbl. thru 2♥ Redbl Two Over One: Game Forcing Game Forcing ExceptWhen Suit Rebid Conv. (1m)=om+♥,(1M)=OM+♦ Card-showing Min. Offshape T/O VERY LIGHT: Openings 3rd Hand Overcalls Preempts Lightner DEFENSE VS NOTRUMP FORCING OPENING: 1♣ 2♣ Natural 2 Bids Other vs: STR WK SIMPLE OVERCALL NOTRUMP OPENING BIDS 2♣ both Majors same 1NT 2NT 18 to 19 1 level 6 to 15 HCP (usually) 2♦ "1M" same 14(13) to 15 3♣ 54mm FG Puppet Stayman often 4 cards very light style 2 ♥ Transfer Responses: ♥ 5 4m same to 3♦ 5♥4♠ Inv Responses 2♠ 5♠4m same Jacoby Texas 5-card Major common 3♥ 55mm short ♥ FG New Suit: Forcing NFConst NF 3 Dbl: Points same 3♠ 55mm short ♠ FG ♠ mm FG Jump Raise: Forcing Inv. Weak Other2N=5M5m STR, 3♣=mm's System on over 4♣/♦/♥/♠=ST ♥/♠/♣/♦ 1N=ART Ask, Cue=Fit 3♦/♥/♠=Nat 2♣ Stayman Puppet 4♣/♦=TRF ♥/♠ 2♦ Transfer to ♥ 4♦, 4♥ Transfer No 3NT --- to --- JUMP OVERCALL OVER OPP'S T/O DOUBLE Forcing Stayman Smolen yes, mod Strong Intermediate Weak New Suit Forcing:1 level 2 level 2♥ Transfer to ♠ Lebensohl ( denies) Conventional NT Openings intermediate in balancing Jump Shift:Forcing Inv. Weak 2♠ Ask range or ♣ Neg. Double : 3N=STR "4M" Redouble implies no fit 2NT TRF 6♦ 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. many ART bids Other many TRF & ART bids 1st/2nd 1♣ 3rd/4th 1♦ DIRECT CUEBID VS Opening Preempts Double Is RESPONSES RESPONSES OVER: Minor Major Takeout thru 4♥ 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 Modified GHESTEM, (1M)-3M=mm Other: Other: 1♥-1♠=TRF 1N, 1♥-1N=4+♠ Single raise Other: 1♦-2m=FG SLAM CONVENTIONS Gerber : 4NT: Blackwood RKC 1430 1NT: Forcing Semi-forcing Frequently bypass 4+♦ mixed Cue's, SPL's, reverse in PFS 2NT: Forcing Inv. to 1NT/1♣ to mini KCB - 0/1/1+Q/2; Ex - 0(3)/1/2 3NT: to 2NT Forcing Inv. to vs Interference: DOPI DEPO Level: ROPI Drury : Reverse 2-Way Fit 3NT: to Play to 1M-2♣=ART FG Relays Other many TRF & ART bids LEADS (circle card led, if not in bold) DEFENSIVE CARDING Other: 1♠-2♦=TRF ♥ 9+ points 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 10(9) to 15 HCP x x x x x x x x x x x x x x x x 2♣ Strong Other 5♣&4M or 6+♣ 2♥=F1, 2♠=NF, 2N=ART A K x T 9 x A K J x A Q J x STD count 1st trick 2♦ Resp: Neg Waiting 2♦=(R) not FG 3♦=6♠ FG, 3♥=6♠4♥ Inv Q x K T x A T 9 A 9 x K J J T Upside-Down: 4 to 10 HCP 5+ ♥ or ♠ 2♠=R, 2N/3♣/3♦=TRF 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 4 to 10 HCP both Majors 54 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 4 to 10 HCP 5♠5m 3♣=p/c, 3♦=♥, 3♥=GT ♠ 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 upside down Rusinow, 3/5 pd's suit Attitude vs NT OTHER CARDING OTHER CONV. CALLS: New Minor Forcing: 2-Way NMF Middle of game - 2/4 polish, low from xx Smith EchoREV 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 several Relay & TRF sequences SPECIAL CARDING PLEASE ASK 1st position we open all 10 points, sometimes 9 if unbal Last modified: Nov 16 2020 00:56.