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: GREEN
jump cue = 4-card supp distr. values Subseq 4th same Country: BRAZIL
Reopening: 1NT=12-15; JUMP = INTERMEDIATE Other: Vs NT, A asks Ct/UB; K asks ATT Event: BERMUDA BOWL
Players: CHAGAS, Gabriel BRENNER, Diego
1NT OVERCALL (2ND/4TH Live; Responses; Reopening) LEADS SYSTEM SUMMARY
2nd : 15-18 ; 4th :12-14 Lead Vs. Suit Vs. NT GENERAL APPROACH AND STYLE
Responses : System on; transfer to op. suit = both minors Ace AKx(+) AKJ10(+) 5 card majors/ 1H1S openings may be weak in 1st or 3rd pos.; 1C with 4C+4D BAL
King AK; KQx (+) AKx; KQ (J/10) x (+) Decent weak-two bids; 3-level PRE may be very weak if nvulxvul in 1st/3rd pos.
Queen QJx (+) QJx (+); KQ109x Shaped t.o. and neg. DBL; 2NT = t.o. in many comp. auctions;
Jack J10x (+); KJ10x(+) same 1C/D openings may be light if nvul in 1st pos.
JUMP OVERCALLS (Style; Responses; Unusual NT) 10 109x(+); H109x(+) same Transfer after 1M (x); 1NT (2/3M); 1M (2OM); 1M (2M);
1-Suit: nvul = weak; vul = strong 9 9x; 98x(+); H98x(+) same 2M (x); 2H (2S); 2NT (3M)
2-Suit: (1M) 2NT = C+D; (1m) 2NT = strong two-suiter Hi-x Sx; xSx; HxS; Hxxs; xSxx same 1NT Openings: 15-18 HCP
Lo-x xxS same 2 OVER 1 Responses:FG unless responder rebids suit
Reopen: 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
(1m) 3m = NAT, PRE; (1M) 3M = asks for stopper; Suit:1st Hi/lo=E Hi/lo=O Hi/lo=O 1M - 3M = 6-9 HCP with 4 trumps ; 1 M - 3D = limit raise;
(1H/S) 2H/S = two-suiter OM + m 2nd Hi=ENCRG S/P Hi=ENCRG 1M - 2NT = FG with 4-card support no singleton;
3rd S/P Hi/lo=O S/P 1M - (2m) - 2NT = INV + 4card supp.; 3m = INV + 3 card supp.
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 Hi=ENCRG S/P Hi=ENCRG 1M - (2x) - 3NT = M support with defensive values
2C = H + another; Responses: 2NT = INV 3 card support; 3C = FG; 2D = relay 3rd S/P Hi=ENCRG S/P 1C - 2D/1D - 3C = limit raise
2D = S + another ; Responses: 2NT = INV 3 card support ; 3D = FG; 2H = relay Signals (including Trumps): Trump hi-lo shows interest in ruff or ATT for 2NT: BOTH MINORS AFTER (1M) OPENING BID
2NT = C+D a particular suit WEAK JUMP RAISES IN COMPETITION
if passed = 2C = 1m or 2M; 2D = D+ M SMITH ECHO in some situations (RARE) (1m) - 2nt = STRONG 2-SUITER
DOUBLES TRANSFER IN COMPETITIVE SITUATIONS
TAKEOUT DOUBLES (Style; Responses; Reopening) 3NT op bid = solid M
VS. PREEMPTS ( Doubles; Cue-bids; Jumps; NT bids) May be ligth (10 HCP) with classic shape 4NT op op = solid m
cue = two-suiter; DBL = take-out, classic shape JUMPS = INV if rho passes 1M (x) Jump shift = fit showing
jumps: strong one-suiter or 2-suiter CUE-BID=F1; RESP DBL after M = 4OM; 2NT for T/O 1m (x) Jump shift = PRE
NT = NAT, BAL AFTER RDBL 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= two-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
Against 2C = same at the proper level 1m-(1H) - DBL: exactly 4S; 1m-(1S)-DBL: suggests 4+H, 8+ HCP FORCING PASS when opponents bid beyond our forced level
RESP DBL thru 4H IMPORTANT NOTES THAT DON'T FIT ELSEWHERE
OPT DBL; SUPP DBL; FOURTH 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
RDBL = 10 + HCP; 1m (X) 1suit = F1; jumps = PRE; 2NT = INV+ with support (2H/S) X (P) 2NT = shows 8-11HCP; Suit = 0-7 HCP
1M (X) - transfers above 1S; 2NT = 4 card support INV + RDBL mostly to show strength Psychics: RARE
JUMP RAISES = WEAK
OPENING BID DESCRIPTIONS
Opening Artificial Min. Neg Dble thruDescription Responses Subsequent Auction Passed Hand Bidding
1C 3 4H NAT 1NT=6-9 w 4C; 2C=12+HCP; 2D= limit raise; 2H/S=
1C strong; 2NT=11-12HCP;3x=PRE; 3C = 5-8; 3NT =
1C 16-17HCP withC support
1D 4H NAT 1NT=6-9HCP; 2C = 10+; 3C = limit raise ; others: same
1D as 1C
1H 4D NAT 1S = relay 0-4 S; 1NT = 5S; 2NT,3C,3D = H support; 1H-2H-2NT = game try with any dist.; new suit = FG two-way Drury; 3C =nat, INV; jumps = fit-showing; 2NT
1H 3S = splinter any sing. 3NT = S void;4C/D= void = 4 card supp. INV +
1S 4H NAT 2H = FG; 3H = INV and NAT; 2NT,3C,3D = S support ;
1S 3NT = splinter any sing.; 4C/D/H = spl. void
1NT 4D 15-18 HCP stayman; transfers; 3C = 5C+4D; 3D = 5D+4C 2-2 ; transfers after 1NT(2M)
1NT 3H/S = 5D+4C sing. H/S ; 4C/D = H/S;4H/S = slam
1NT try C/D
2C BAL 23-24 or FG any distribution 2D = 6+HCP or 1A or KQ of the same suit; 2H=0-5 2C-2D-2H = relay; 2C-2D-2NT = 5m +4 another suit
2C HCP;2NT= 5H; others : NAT, good suit 6+ HCP
2D PRE 2NT asks; new suit at level 3 = NF 2D-2NT- 3C = max.; others: nat, min
2H PRE same
2S PRE same
2NT 21-22 HCP 3C = Stayman; 3D/H = transfers; 3S = minors; 4C/4D
2NT = Texas; 4H/4S = C/D slamish ;
3C PRE NEW SUIT = F1
3D PRE
3H PRE MINOR = CUE
3S PRE
3NT solid major 4C/D = cue
4C PRE
4D PRE
4H PRE MINOR = CUE
4S PRE
4NT solid minor
5C PRE
5D PRE
5H PRE
5S PRE
5NT MINORS
HIGH LEVEL BIDDING
Roman Blacwood = 5C = 0-3; 5D = 1-4; 5H = 2; 5S = 2 + trump H; 5NT = 1+ void;6x= 2 + void
2+void; DIPO/DEPO; RKCB in some situations; EXCLUSION BLACKWOOD ; GSF