WBF Convention Card 2.18 DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS OVERCALLS (Style; Responses; 1/2 Level; Reopening) OPENING LEADS STYLE Sound simple overcalls up to 17 HCP at 2 level Lead In Partner's Suit New suit=NF;Jump RAISE=INV Suit 4th best, top of nothing same Category: GREEN-Natural REOPEN need a king less in HCP to bid NT 4th best, top of nothing same Country: SINGAPORE Subseq Hi:even, lo:odd Event: 44th PABF Youth Championships Other: Lead directing DBL for dummy's last bid suit Players: Ang Jit Hang Jackie, Ho Jun Feng Jack, Chen Zhang Fei Perry, Yeo Yong Hui, Cheng Zehan, Ong Qunxiang 1NT OVERCALL (2ND/4TH Live; Responses; Reopening) LEADS SYSTEM SUMMARY 16-18HCP; System as over 1NT opening Lead Vs. Suit Vs. NT GENERAL APPROACH AND STYLE REOPEN:1NT=13-15HCP Ace Ax(x+);AKx(x+) AK;AK(x+) 5 card M ajors King KQ;KQ(x+);AKJ(x+);AKQ(x+) KQ(x+);AKJ(x+);AKQ(x+) Longer m inor Queen QJ;QJ(x+) QJx(x+) Weak 2D/H/S and weak 3 bids Jack Jx;J10(x+);KJ10(x+) J10x(x+) Balanced minimum opening = 12HCP JUMP OVERCALLS (Style; Responses; Unusual NT) 10 10x;109(x+);(K/Q)109(x+) 10x;109(x+) 1-Suit: PRE 9 9x;9x(x+) 9x;9x(x+) 2-Suit: 2NT when OPPs bid 1M shows both minors Hi-x Sx;Sxxx same 1NT Openings: 16-18 HCP Lo-x xSx;HxS;HxxS;HxxSx same 2 OVER 1 Responses: 10+HCP 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 Weak Double Jump Shift after opening 1m MICHAELS CUE: WK(7-10) Suit:1st ATT:Hi=ENCRG Count:Hi/lo=E ATT MICHAEL's 2nd Count:Hi/lo=E S/P Count UNUSUAL 2NT 3rd S/P (dummy short S/P INVERTED MINORS NT: 1st as above as above as above VS. NT (vs. Strong / Weak; Reopening; PH) 2nd S/P Hi/lo=E as above CAPPELLETTI: in direct and reopening position 3rd S/P 2C: any 1-suiter, then advancer's 2D=P/C,new suit=NF Signals (including Trumps): 2D:S+H 2H:H+m, 2NT asks m 2S: S+m,2NT asks m DOUBLES DBL=PEN TAKEOUT DOUBLES (Style; Responses; Reopening) VS. PREEMPTS ( Doubles; Cue-bids; Jumps; NT bids) 12+HCP, classic shape or strong with self sufficient suit DBL=T/O thru 4H 1NT:6-8HCP, stopper 1 to 3 lvl need 12+HCP cue:12+HCP 4 level need 16+HCP Reopening DBL or when OPP's stop at 2 level can be weaker SPECIAL FORCING PASS SEQUENCES VS. ARTIFICIAL STRONG OPENINGS SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES/REDOUBLES DBL=Natural suit NEG DBL thru 4D Direct cue=T/O DBL RDBL a T/O DBL shows 10+HCP, no support for opener's suit IMPORTANT NOTES THAT DON'T FIT ELSEWHERE OVER OPPONENTS' TAKE OUT DOUBLE Responses need 1-2 HCP less Psychics:
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WBF Convention Card 2.18DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS
1NT 16-18, 5m OK 2C:STAYMAN;2D/H:JACOBY X-FER After STAYMAN, opener bids longer M
to H/S;2S:MINOR STAYMAN After MINOR STAYMAN, opener
2NT:X-FER to 3C;4C:GERBER bids longer m
2C Y ART,STR 2D=WK(0-7);2M/3m=STR(6+);2NT:6-8) Let H/h be good/bad HCP and
2D 6 WK,NAT 2NT=OGUST(F1,12+) Asks for S/s be good bad Suit Quality
2H 6 WK,NAT Opener's HCP and Suit Quality After OGUST 2NT,3C:hs;3D:hS
2S 6 WK,NAT New suit = NF 3H:Hs;3S:HS
2NT 21-22HCP, 5m OK same as 1NT
3C 6 WK,NAT
3D 7 WK,NAT
3H 7 WK,NAT
3S 7 WK,NAT
3NT
4C 4 loser Based on losers, Responder raises to game
4D 4 loser Based on losers, Responder raises to game
4H 4 loser 4NT RKCB
4S 4 loser 4NT RKCB
4NT
5C
5D
5H
5S
5NT
HIGH LEVEL BIDDING
SPL RAISES: double jump shift
Eg:1H-4C, 1C-1H;4D
SLAM methods:
Gerber for NT, RKCB 0314 for Suit Contracts
WBF Convention Card 2.18
Sound simple overcalls up to 15 HCP at 2 level Suit 4th Best; top of nothing sameJump RAISE=PRE NT 4th Best; top of nothing same
SubseqOther:
Country: SingaporeLEADS Event: TEAMS
1NT OVERCALL (2ND/4TH Live; Responses; Reopening) Lead Vs. Suit Vs. NT Players: Cheng Zehan - Ong Qun Xiang16-18HCP Ace AKx;Ax(+);AQJx(+); AK; AKx(+) SYSTEM SUMMARYResponses: bid as 1NT opening King AKJ10(+);KQ;KQ(J/ AKJ10(+);KQJ(+); GENERAL APPROACH AND STYLE
10)x(+);KQJ(+); KQx(+);KQ109(+) Natural, 5-card majorsQueen QJx(+);QJ QJ;QJx(+);AQJx(+); 1 - min 4-card , 1 - min 2-cardJack J10;J10x(+); J10;J10x(+); Limit jump raise for majors and minors
(1M)-2NT: + Hi-x Sx; Sxxx(+) 1NT Openings:16-18 HCPLo-x Hx(+)S;xSx;xSxxx Hx(+)S; xSx SPECIAL BIDS THAT MAY REQUIRE DEFENCE
Reopen: SIGNALS IN ORDER OF PRIORITYDIRECT and JUMP CUE BIDS (Style; Responses; Reopen) Partners Lead Declarer's Lead Discarding 2 opening =Weak minor 6+ (6-10HCP)(1M)-2M:OM+m (45+/56+);2NT/DBL asks m; Suit:1st Hi=DISCRG Hi/lo=E S/P 2 opening =Weak major 6+ (6-10HCP)m-bid=NAT/NF 2nd S/P S/P Hi/lo=E 2 opening =Weak major 6+ (6-10HCP)(1m)-2m:M+om (45+/56+) 3rd Hi/lo=E Michaels Cue-bids(1M)-2NT: + NT: 1st Hi=DISCRG Hi/lo=E S/P 2NT overcall = unusual(1m)-2NT: + 2nd S/PVS. NT (vs. Strong / Weak; Reopening; PH) 3rd Hi/lo=ECAPPELLETTI: in direct and reopening position Signals (including Trumps):2 : any 1-suit other than 2 : + 2 : + m, 2NT asks m DOUBLES2 : + m,2NT asks m TAKEOUT DOUBLES (Style; Responses; Reopening)DBL=PEN General style: classic shape/str with 1 suitVS. PREEMPTS ( Doubles; Cue-bids; Jumps; NT bids) Responses: Natural;Cue Bid=forcing, 12+DBL=T/O thru 4H Reopening DBL when OPP stop at low level can be weaker SPECIAL FORCING PASS SEQUENCES1 to 3 lvl need 12+HCP4 level need 16+HCP SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES/REDOUBLESVS. ARTIFICIAL STRONG OPENINGS NEG DBL thru 4D
LEAD-DIRECTING DBL(L/D) IMPORTANT NOTES THAT DON'T FIT ELSEWHERE
OVER OPPONENTS' TAKE OUT DOUBLE Psychics:RDBL=10+
LEADS AND SIGNALSDEFENSIVE AND COMPETITIVE BIDDING OPENING LEADS STYLEOVERCALLS (Style; Responses; 1/2 Level; Reopening) Lead In Partner's Suit
