DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS
OVERCALLS (Style; Responses; 1/2 Level; Reopening) OPENING LEADS STYLE WBF Convention Card 2.19
Style: sound when vul Lead In Partner's Suit
Responses : 1/1 F1 ; jump raise=PRE ; cue=F1 Suit 4th same
2/1 NF ; jump shift=fit showing NT 4th same Category: Natural - GREEN
jump cue = 4-card supp distr. values Subseq 4th same Country: BRAZIL
Reopening : 1NT=12-15 HCP ;JUMP=INTERMEDIATE Other: Vs NT, A asks CT/UB;K asks ATT Event: ALL EVENTS
Players: BRANCO , Marcelo CHAGAS , Gabriel
1NT OVERCALL (2ND/4TH Live; Responses; Reopening) LEADS SYSTEM SUMMARY
2nd=16-18 HCP bal ; 4th = 12-15 HCP bal Lead Vs. Suit Vs. NT GENERAL APPROACH AND STYLE
Responses: stayman,transfers Ace AKx(+) AKJ10(+) NATURAL with 5-card majors,good opening bids;
transfer to opener suit = both minors King AK ;KQx(+) AKx;KQ(J/10)x(+) 1C with 4C+4D+3+2;1D w/3 cards w/4432 or very bad C
sequences like 1NT opening bid Queen QJx(+) QJx(+) ;KQ109x Decent weak-2 bids;Normal 3-level preempts; Shaped t/
Jack J10x(+) ; KJ10x(+) same o and neg doubles;2NT=t/o in many comp auctions;
JUMP OVERCALLS (Style; Responses; Unusual NT) 10 109x(+) ;H109x(+) same Transfer after 1M (x);1NT (2/3M);1M (2OM);1M (2M);
1-Suit: WEAK New suit=F1; 2NT=asks 9 9x ; 98x(+) ; H98x(+) same 2M (x);2H (2S);2NT (3M)
2-Suit: see 8 Hi-x Sx ;xSx ;HxS ;HxxS ;xSxx same 1NT Openings: 13-15 HCP NONVUL(no 4S) ;16-18 HCP VUL
Lo-x xxS same 2 OVER 1 Responses:FG unless responder rebids suit
Reopen: 2NT=BAL(19-20 HCP);JUMP=INTERMEDIATE SIGNALS IN ORDER OF PRIORITY SPECIAL BIDS THAT MAY REQUIRE DEFENCE
DIRECT and JUMP CUE BIDS (Style; Responses; Reopen) Partners Lead Declarer's Lead Discarding INVERTED 1S/1NT RESPONSES TO 1H
MICHAELS CUE: 1M-2M=OM+m ; Response: 2NT asks Suit:1st Hi/lo=E Hi/lo=O Hi/lo=O 1M - 3M = 6-9 HCP with 4 trumps ; 1M - 3D =limit raise;
1m-2m=Natural New suit=F1;1M-3M= asks for stopper 2nd Hi=ENCRG S/P Hi=ENCRG 1M - 2NT = FG with 4-card support no singleton;
1m-3m=Natural pre 3rd S/P Hi=ENCRG S/P 1M - (2m) - 2NT = FG with 4-card support
Reopen= always Michaels NT: 1st Hi/lo=E Hi/lo=O Hi/lo=O 1M - 3C = FG with 4-card support and a singleton/void ;
VS. NT (vs. Strong / Weak; Reopening; PH) 2nd S/P Hi=ENCRG Hi=ENCRG 1m - 2H/S = 5H/S + 4-card support 6-10 HCP;
2C=H+another suit ; Responses: 2D=relay;2NT=inv 3-card 3rd Hi=ENCRG S/P S/P 1C - 2D = 5H+5S 6-10 HCP;
supp; 3C=FG ; others=NAT Signals (including Trumps): Trumps:Hi-lo shows interest 2NT: BOTH MINORS AFTER (1M) OPENING BID;
2D=S+another suit ; Responses: 2H=relay;2NT=inv 3-card in ruff or ATT for a particular suit. WEAK JUMP RAISES IN COMPETITION;
supp; 3D=FG ; others=NAT SMITH ECHO in some situations (RARE). (1m) - 2NT = strong 2-suiter (see 5).
2NT=minors DOUBLES TRANSFER IN COMPETITIVE SITUATIONS
Jump overcalls=weak TAKEOUT DOUBLES (Style; Responses; Reopening) 3NT op bid = solid M
VS. PREEMPTS ( Doubles; Cue-bids; Jumps; NT bids) May be light (10 HCP) with classic shape 4NT op bid = solid m
Cue=2-suiter;Dbl=take-out;Jumps=weak or 2-suiter CUE-BID promises rebid 1M (x) Jump shift = fit showing
NT=NATURAL BAL;Against (3m):4C=one-suited;4D=Ms;4M=M+om CUE-BID=F1 ; RESP DBL after M = 4OM ; 2NT for T/O 1m (x) Jump shift = PRE
Against (2C) Precision:3C=Ms;4C=D+H;4D=D+S AFTER RDL JUMP IS PRE SPECIAL FORCING PASS SEQUENCES
VS. ARTIFICIAL STRONG OPENINGS SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES/REDOUBLES NORMALLY SHOWS SHORTNESS IN OPPONENTS SUIT
Against 1C: DBL=C+M;1NT=2-suiter w/o C;2NT=minors NEG DBL THRU 4H ;1C-(1D)-DBL: 4+ cards in both Ms (2/3X) DBL/3Y (5X) PASS=FORCES TO DBL
Jumps=weak 1m-(1H)-DBL: exactly 4S ; 1m-(1S)-DBL suggests 4+H, 8+ FORCING PASS when opponents bid beyond our forced level
Against 2C: DBL=C+M;2NT=2-suiter w/o C;3NT=minors HCP ; RESP DBL thru: 4H IMPORTANT NOTES THAT DON'T FIT ELSEWHERE
Jumps=weak OPT DBL ; SUPP DBL ;DBL=bad suit FORTH SUIT=FG ; TWO-WAY DRURY
OVER OPPONENTS' TAKE OUT DOUBLE MAX DBL ; LEAD-DIRECTING DBL;(1NT) - (3NT) DBL=spades SPLINTER BIDS IN FG SITUATIONS=DISTRIBUTIONAL VALUES
After 1m-X: 1 suit=F1;2NT=inv with supp;RDBL=10HCP+ RDBL in some situations= K or A in partners'suit; LEBENSOHL:AFTER 1NT-(2X) and (2X)-DBL.Good/Bad 2NT
After 1M-X: transfers above 1S;2NT=inv with supp RDBL mostly to show strenght Psychics: RARE
RDBL=10HCP+
JUMP SHIFTS =fit showing w/ 4 trumps;JUMP RAISES = WEAK
JUMP SHIFTS =fit showing w/ 4 trumps;JUMP RAISES = WEAK
OPENING BID DESCRIPTIONS
Opening Artificial Min. Neg Dble thruDescription Responses Subsequent Auction Passed Hand Bidding
1C 3 4H 11-21 HCP NATURAL (w/ 4C+4D 1NT=6-10 HCP with 4C;2NT=11-12HCP with 4C;3C=6-9 JUMP REBID=F1 1C-1x 2C-2D = RELAY CHECK-BACK THE SAME
1C and balhand) HCP with 5C2C=10+ HCP with supp;3NT=16-17HCP STAYMAN (see 1) 4th suit=FG 2D=5H+5S; 2H=5H+C; 2S=5S+C
1C with 4C;1/1=NAT;2D=6-9HCP 5H+5S(2NT
1C asks);2H/S=6-9HCP 5H/5S+4C(2NT asks);3D/H/S=PRE
1D 3 4H SAME AS ABOVE SAME AS ABOVE SAME AS ABOVE THE SAME
1H 5 4D NATURAL 11-21HCP 1S=RELAY (4- 2HCP) ; 1NT=5S 2NT=4-CARD SUPP 1H-2NT (see 2); 1H-2H ----> 2NT=ART G/T 1H-3C/D TWO-WAY DRURY; 3C = NAT INV; 2S/3D=NAT
1H FG NO SINGL. 3C=4-CARD SUPP FG W/ SING 3D=G/T ----> 3NT= asks the singl. 1H-1S ----> 1NT= 4S 1H-1NT FIT-SHOWING;2NT=strongest supp.
1H W/ SUPP;3H=5-10HCP W/ 4-CARD SUPP;3NT=10 HCP ----> 3NT= 5H+4S (15-17 HCP) 1H-1NT ----> 2NT= FG.
1H W/ SUPPS SINGL.;2S=NAT NF;
1S 5 4H NAT 11-21HCP AS ABOVE EXCEPT 1NT=F NAT AS ABOVE AS ABOVE
1NT 3S NONVUL:13-15 HCP BAL NO 4S; 2C=STAYMAN;2D/H/S/NT=TRANSFERSTO NV see 6 SAME
1NT possible 5/4 msVUL:16-18 HCP H/S/C/D;3C =5C+4D FG;3D = 5D+4C FG;3H/S =
1NT BALPossible good 15 6C/D FG. NV : 4C/D=TRF H/S;4H/S=TO PLAYVUL:
1NT 4C/D/H/S=TRF D/H/S/C
2C x 0 ART any shape or BAL 23 HCP+ 2D=6HCP+; 2H=NEG; 2S=NAT; 3C/D=NAT; 2NT=H suit; 3H/3S=solid
2C - 2D seesuit
3 OTHERS = NAT SAME
2D 5 WEAK TWO-BID 4-11 HCP NEW SUIT = F1; 2NT=POSITIVE; RAISES=NF 2D - 2NT: 3C=MAX (3D=asks other suit); OTHERS= SAME
2D Possible 6-5 NAT.
2H 5 AS ABOVE AS ABOVE AS ABOVE AS ABOVE
2S 5 AS ABOVE AS ABOVE AS ABOVE AS ABOVE
2NT BAL 21-22 HCP 3C=STAYMAN 3D/H=TRF;3S=BOTH MINORS; NAT SAME
2NT 4C/D/H/S=TRF TO D/H/S/C.
3C 6 NAT PRE NEW SUIT=F1 NAT SAME
3D NAT PRE
3H 6 NAT PRE OM = NAT F1; MINOR = CUE. NATURAL SAME
3S NAT PRE
3NT x Solid Major 4C/D =cue NATURAL SAME
4C 6 NAT PRE NATURAL
4D NAT PRE NATURAL
4H 6 NAT PRE MINOR=CUE
4S NAT PRE MINOR=CUE
4NT X LONG MINOR NATURAL
5C
5D
5H
5S
5NT
HIGH LEVEL BIDDING
ROMAN BLACKWOOD (5C=0-3;5D=1-4;5H=2A;5S=2A+a trump honor;5NT=1A+a void;
6 any=2A+a void) ;DIPO at 5-level;DEPO at 6-level or above trump suit;
EXCLUSION BLACKWOOD; TRUMP-QUEEN asking
5NT GSF: S-suit:6C=0 or Q;6D=K or A;6H=K or A + extra-lenght;6S=2 H
H-suit:6C=0 or Q;6D=K or A;6H=K or A + extra-lenght:7H=2 H
D-suit=6C=0;6D=1 H;others= 2 H
RKCB after 1m-2m or similar sequences
3m-4m
