3

DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS WORLD BRIDGE FEDERATION

CONVENTION CARD

OVERCALLS[STYLE;RESPONSES;1/2LEVEL;REOPENING] OPENING LEADS STYLE

LEAD IN PARTNER’S SUIT

1-level: 4+cards, 6+HCP; 2-level: 5+ cards; 10+HCP; SUIT 3rd/5th 3rd/5th

RESP: New suit=F1 after 2/1 overcall; Jump shift=NAT, INV; NT 4th 4th

Jump raise=PRE; SUBSEQ Same as above Same as above CATEGORX: Precision– BLUE

OTHERS: vs NT: K ask UB/CT; A ask ATT; NEBO: CHINA EVENT: ALL EVENTS

LEADS PLAYERS: LUYAN LIUYAN

INT OVERCALL(2ND/4TH LIVE;RESPONSES;REOPENING) LEAD VS. SUIT VS. NT

SYSTEM SUMMARY A AK (+); Ax (+) AK (+)

2nd/4th LIVE: good 15-18 HCP; RESP: system on; K KQ (+); AK(+) AKJ10 (+); KQ109(+); GENERAL APPROACH AND STYLE

Reopening: good 11-15HCP; RESP: system on Q QJ (+); Qx QJ (+); KQ (+)；AQJxx

JUMP OVERCALLS(STYLE;RESPONSES;UNUSUAL NT) J HJ10 (+); J10 (+); Jx J10 (+); Jx; HJ10 (+) STR

10 H109(+); 109 (+); 10x H109x; 109 (+) Bidding Style: 5-card M (RESP:1NT=F1); 1=0+; Multi 2;

1-suit: WK, 5+cards 9 9x; 9xx 9xx; 9x 2♠=5♠+4+m, WEAK; 2H=2M MAJORS，WEAK

2-suits: Unbid lower 2-suits HI-x Sx; xxS; xxSx; xxxxS Sx; Sxx; xSxS; xSxSx (+) 1NT=13+-16HCP, BAL, 5M/6m OK, SPL H OK

Reopening 2NT=18-20HCP, BAL LO-x HxS; HxSx; HxxxS (+); HxS; HxxS(+) 2/1= FG except direct rebid

DIRECT AND JUMP CUE BIDS(STYLE;RESPONSES;REOPEN) SIGNALS IN ORDER OF PRIORITY

PARTNER’S LEAD DECLARER’S DISCARDING SPECIAL BIDS THAY MAY REQUIRE DEFENCE

Michaels CUE: (1m)-2m=55+ M’s, (1M)-2M=55+ OM+m, 8+HCP

SUIT

1 Hi=ENCRG Hi/Lo=EVEN Hi/Lo=EVEN

Jump CUE=STOP asking; 2 Hi/Lo=EVEN Hi=E Hi=E 2=WK 2M;

3 Hi=E 2♠=5S♠+ 4++m, WK;

VS. NT (VS. STRONG/WEAK; REOPENING; PH) NT

1 Lo=ENCRG Hi/Lo=EVEN Lo=E 2♥=TWO MAJORS，WEAK

2 Hi/Lo=EVEN LAVINTHAL 3NT=GAMBLING, SOLID m O/S NO A

VS WEK NT: DBL=PEN;2=44+M’s 2=one 6+M; 2M=M+m,5-4+ 3 S/P

2NT=STR any 2-suits; SIGNALS(INCLUDING TRUMPS) vs NT: Smith Signal;

Vs Strong NT: DBL=5＋ or ＋4M OR GOOD HAND,OTHER AS

ABOVE

Trumps: Hi/lo interested in ruff

DOUBLES

VS. PREEMPTS(DOUBLES; CUE-BIDS; JUMPS;NT BIDS)

T/O DBL THRU 4; vs 4M PRE: DBL=OPT; 4NT=55+ 2-suits; TAKEOUT DOUBLE(STYLE; RESPONSES; REOPENING)

VS. ARTIFICIAL STRONG OPENGINGS Maybe light with Classic Shape (9+HCP)

vs STR 1: DBL=M’s; 1NT=m’s; Others=NAT SPECIAL,ARTIFICIAL & COMPETITIVE DOUBLES/ REDOUBLES SPECIAL FORCING PASS SEQUENCES

vs 2:DBL=M’s ;2NT=m’s Neg DBL THRU 4

Resp DBL THRU 3 IMPORTANT NOTES THAT DON’T FIT ELSEWHERE

Max DBL

OVER OPPONENT’S TAKEOUT DOUBLE Lightner DBL

Support DBL THRU 2M

PSYCHICS: Rare New suit: 1-level= F1, 2-level=NF;1M-(DBL)-TRF under 2M;

Raise=PRE; Jump shift=Fit-showing; RDBL=PEN

4

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DESCRIPTION RESPONSES SUBSEQUENT AUCTION

PASSED HAND

BIDDING

1 0 4 16+HCP UNBAL or 17+ BAL 1=0-7HCP; 1M/2m=8+HCP, 5+; 1-1;1M=NF;1NT=17-19HCP, BAL

1NT=8-13/16+HCP BAL; 2=14-15HCP BAL; 1-1;2=PUP to2S

2/2NT/3/3=8+HCP, 4441/// Notr 1-6

1 0 4 11-13HCP if BAL, 11-15HCP if UNBAL; 1M=Nat F1; 1NT=7-11HCP; 2NT=BAL,FG no 4M; 2-way checkback;

2m=5+m,FG;2=55M,WK ;2=55m ;3=6+,INV

3NT=to play; 3//=NAT,PRE Note 7-10

1 5 4 11-15HCP, 5+ 1NT=6-12HCP，SF; 1-2m=FG except rebid 3m; 1-1; 1NT-?: 2-way checkback; 2 WAY,Drury

2NT=BAL, FG; 3=7-9HCP,FIT 4;2=4+SUPP.FG 1-1;2NT=63, Max Jump shifit=Fit-showing

3=10-12HCP 4+ SUPP; 3/4=TO PLAY 1-1;3NT=64, MAX;

3S/3NT/4/=//SPL 13-15HCP, 4+; 1-1NT;2=Could be 2-cards

,4S/5/=TO PLAY; Note 11

1

5 4 11-15HCP, 5+ 3NT/4/4=//SPL 13-15HCP,4+; 3/4=TO PLAY

3=4+SUPP GF

3=♠4+SUPP.FG 3=7-9HCP,4 ,3=10-12HCP,4;

1NT 4 13+-16HCP, BAL, 5M/6m OK 2=STAY; 2/2/2NT/3=TRF; 2= m’Sorask range Note 12

3=NAT.INV;3M=M-SPL,4441OR41(53),FG;

dslamishmMmm,slam try;

4/4=TRF/；4/4=TO PLAY;

2 5 4 11-15HCP, 6+ or 5+4M 2=Relay; 2M=NAT NF; 2NT=PUP 3; 3 =RAISE; Note 13

3=55M,INV;3/=INV 3NT=to play; 4=RKCB vs

2 0 WK 2M, could be light when FAV 2NT=Relay; 3m=Nat F1; 2/3M/4=P/C; 2=INV vs ; 2-(2M)-DBL=P/C; 2-(3m)-DBL=PEN

4=ASKS TRF M; 4=ASK Bid M;4/ 4=NAT, to play Note 14

2 5 MAJOR’S,5-4+ WK 2NT=Relay;3/=NAT NF; 3NT=TO PLAY Note 15

2 5 5+ + 4

+m, WK 3/=NAT, NF; 4=To play;3/4=P/C Note 16

2NT 20-21HCP,BAL,5M/6m OK 3C=STAYMAN 3/4/D/H=TRAN,3NT=TO PLAY Note 17

3m 6 PRE 3M=F1; 4(for3)=RKCB;4(for3)=SLAMISH HIGH LEVEL BIDDING

3M 6 PRE 4=SLAMISH

3NT SOLID m O/S NO A 4=Asking,4/5=P/C,4M=TO PALY RKCB 14/03; Blackwood 14/03; Cue; 5NT GSF; SPL

4m 7 PRE 4NT=RKCB; D1P0;

4M 7 PRE 4NT=RKCB,4H-4S/5C/D=CONTROL ASKING,

4NT 2m’S 6-5+,PRE

3

Note

1. 1C 1NT=8-13HCP

?2C=ASKING

2D/H/S=NAT, SUPPORT ASKING

2NT=C SUIT

3C/D=NAT AKQxxxx

3H/S=SPL 5-4 m’s OR 6+m，16－19HCP

(1) 1C 1NT

2C ? 2D/2H= 4card H/S，8-10HCP OR 16+HCP ；

2S= no4M，8-10HCP OR 16+HCP；

2NT= any 4333，11-13HCP

3C= C+another suit，4-4，11-13HCP；

3D= H+S，4-4，11-13HCP；

3H= D+S，4-4，11-13HCP；

3S= D+H，4-4，11-13HCP；

（2）1C 1NT

2C 2D

？2S:4+S;

3C/D=NAT；

2NT= waiting

2H=FIT H

2. 1C 2C

2D=RELAY ? 2H*=ART 8-10HCP

2S=4S 11+HCP

2NT=4H 11+HCP

3C=6+C 11

+HCP

3D=4D 11+HCP

3H=14-15 HCP 5332

3NT=11-13 HCP 5332

4C=RKCB

1C 2D

2H=RELAY ? 2S*=ART 8-10 HCP

2NT=4S 11+HCP

3C/3D/3H=NAT 11+HCP

3S=14-15 HCP 5332

3NT=11-13 HCP 5332

4D=RKCB

3. 1C 2H=14-15 BAL

? 2S= NAT

2NT=RELAY

3C/D/H= C/D/H, NAT

4C/D =KICKBACK

4

1C 2H

2NT ? 3C= C+any，4-4，

3D= S+H，4-4，

3H=D+S，4-4，

3S=H+D，4-4，

2NT= any 4333

4. 1C 1D

2H=RELAY 2S

?2NT= 24+HCP，BAL。

3C/D/S= NAT+5+H。

3NT= good H BAL.NF

5. 1C 1NT

3H 3S=waiting

? 3NT=31(54)

4C/D=6+NAT

1C 1NT

3S 4C:waiting

4D/H:4card

1C 1NT

3S 4C

?4D=6+D SUIT

4H=6+C SUIT

4S=1345

4NT=1354

6. 1C 1D

2H* 2S

?2NT=24+BAL

3C/D/S=4card+5+H

3H=NAT NF

3NT=good H BAL NF

4S/5C/5D=EXCRKC

7. 1D 2S= 5C+5D 9+HCP

2NT=ASKING ? 3C=9-11

3D=6511 GF

3M=SPL GF

1D 2S

3C ? 3D= 6-5-1-1 FG

3M= SPL, FG

1D 2S

3D ？3NT= 6-5-1-1

3M= SPL, FG

5

8. 1D 2NT

? 3C= 4＋CARDS, 22（54）；（41）35；（31）（54）

3D= 5＋CARDS,maybe BAL

3H/S= SPL ，5＋CARDS D

3NT= To Play

4C= 55+m

’s，MAX

4H/S=nat 5M+6D

9. 1D 1H

1S 2D

?2H=3card

2S=NO 3card ,have5m,(2NT=ASKING:3C=5C,3D=5D)

2NT=NO 3card ,BAL

3C=3H+5C

3D=3H+5D

3H=4351,MAX

3S=5S+6D MAX

3NT=4144 OR 4054

1D 1H

1NT 2C=PUP TO 2D

2D=FG

2H=NF

2S=SUIT F

2NT=TRF 3C

3C/D=5-5+ FG

3H=6+H FG

1D 1H

1NT 2C

2D ?P=TO PLAY

2H=5+H,INV

2NT=BAL INV

3C/D=5+C/D+4H,INV

3NT=5332,NF

1D 1H

1NT 2NT

3C ?P=TO PLAY

3D=4H+6D INV

3H=6H+4C,SLAM TRY

3S=6H+4D,SLAM TRY

1D 1H

1NT 2D

?2H=3card H (4333)

2S=3-2-4-4

2NT=NO 3H,have 5m

3C=5C+3H

6

3D=5D+3H

3H=2-3-4-4

1D 1H

1NT 2D

2H 2NT=RELAY

?3C/D=4card

1D 1H

1NT 2D

2NT 3C=ask

?3D=5D

3H=5C

1D 1H

2H 2NT=ASK

?3C=1-3-4-5

3D=3 card H+5+D(RE:3H=NF)

3H=4card H BAD HAND

3S=SPL

3NT=4 FIT BAL GOOD HAND F TO 4H

4C/D=SPL

4H=5D+4H MIN

1D 1H

2D ? 2S*=ART,FG

3C=NAT 4+C,FG

1D 1H

2C 2S

?2NT=S STOP

3C=5C+5D

3D=6+D+4C

3H=3card H MAX

3S=S NO STOP 5-4m

10. 1D 1S

2C 2H*=PUP TO 2S

?2S=NOTHING

2NT=3-1-(54) MAX

3C=5-5+m

’s

3D=6D+4C

1D 1S

2C ?2S=NF

2H*=ART,FG

2NT=INV

3H=5-5,1NV

3D/S=INV

4C=INV

3NT=TO PLAY

7

1D 1S

2C 2H*

2S/ 2NT ?2NT=FG WAITING

3C/D=NAT,FG,FIT

3H=S SLAM TRY

3S=GF

4C/4D=KICKBACK ----(THEN NEXT BID=ASK Q,4NT=ASK K)

4H=6S+5H

4S=TO PLAY

4NT=S RKCB

1D 1S

1NT ?2C=PUP TO 2D

2D*=FG

2H/S=NF

2NT=TRF TO 3C----(THEN 3D=4S+6D INV 3H/S=6S+4C/D FG)

3C/D/H=5S+5C/D/H FG

3S=6+S FG

1D 1S

1NT 2D*

?2H=4H,NO 3S

2S=3S,MAYBE HAVE 4H

2NT=5 CARD m----(then 3C=ASK: 3D=5card D,3H=5card C )

3m=5CARD m+3S

3H=2-3-4-4

3S=3-2-4-4

3NT=1-4-4-4

1D 1S

2NT* ?3C=TRAN TO 3D S/O

3D/S=FG

3H=NAT F

3NT=TO PLAY

1D 2NT=FG BAL

?3C=NAT; 2-2-(54); (41)-3-5; (31) (54)

3D=5+D

3H/S=SPL,5+D

3NT=TO PLAY

4C=55+m MAX

4H/S=5H/S+6D

11. 1H ?2S=4+H SUPP GF

2NT=FG BLA

3C=7-9HCP 4+H FIT

3D=10-12HCP 4+H FIT

3H=TO PLAY NO INV

8

1H/S ?3NT/4C/4D=C/D/H SPL FIT

4H/S=TO PLAY

4NT=RKCB

5C/D=TO PLAY

5M=INV 2 HONOR TO SLAM

5NT=INV 2 HONOR TO GRAND SLAM

1H 1S

2D 2NT*=ASK

?3C=1543 MAX

3D=5-5

3H=6H+4D MAX

3S=3541MAX

3NT=2542 OR 1543 MIN

1S 2H

?2S=MIN

2NT=MAX MAYBE HAVE 3H

3H=MIN 3H

3S=6+S SOLID SUIT MAX

3NT=MAX 4H FIT 5422

4m=MAX SPL 4H FIT

4H=4H FIT MIN

12. 1NT 2

2 ？2 ：PUP TO 2NT

3 / / /2NT：INV

3 /4 / ：SPL

3NT：TO PLAY

4 ：SLAMISH，NO SPL

1NT 2

2 2

2NT ？3 / ：FG

3 ：6+CARDS ,SLAMISH

3S:5-5M,SLAMISH

3NT: 5332,SLAMISH

1NT 2

2 ？ 2NT：PUP TO 3

3 / ： / 4+，INV

3 ：5-5 M，INV.

3 ：INV

3NT：TO PLAY

4 / / ：SPL

4 ：SLAMISH，NO SPL

9

1NT 2

2 2NT

3 ？3 : 4+ ，FG

3 : 4 ，FG

3 : 6+CARDS ,SLAMISH.

3NT:,5-5M,NF

4 :5+

1NT 2D /H

2S/2NT= 4 CARDS FIT ，MAX

1NT 2NT=TRF 3C

3C ? pass=C SUIT,WEAK

3D= 6C +4 CARDS D FG

3H= 6C + 4 CARDS H,FG

3S= 6C + 4 CARDS S,FG

3NT= 6C slamish

4D/H/S= SPL

4C=KICK BACK

1NT 3C=TRF 3D

3D ? PASS=D TO PLAY

3H/S= 6D +4 CARDS H/S

3NT= 6D slamish

4D= KICK BACK

4C/H/S=SPL

1NT 3H= 4-1-4-4 OR41（53），FG single,Other M 4 CARDS

1NT 3S= 1-4-4-4 OR14（53），FG single,Other M 4 CARDS

13. 2C 2D=RELAY

2H/S=NF

2NT=PUP TO 3C

3C=7-10HCP, 3+C

3D=5-5M’s INV

3H/S=6+CARD INV

3NT=TO PLAY

4H/S=TO PLAY

4C=PRE

4D=C RKCB

2C 2D=RELAY

？2H/S= NAT

2NT= BAL， MAX；

3C= MIN，6+C；

3D= 1 OR 4 CARDS D，6+C，MAX；

10

3H/S= single H/S，6+C，MAX；

3NT= 6+C solid SUIT；

4C= 7+C，MAX Unbalanced；

2C 2D

2H ? 2NT=REALY

3C=NF

2S/3D=NAT FG

3H=FIT INV

3NT=TO PLAY

3S/4D=SPL

4C=C RKCB

2C 2D

2H 2NT*

?3C=MIN

3D=MAX 5431

3H=MIN 6421 OR 6430

3S=MAX 6421 OR 6430

3NT=MAX 5422

4C=MAX 7411 OR 7420

4H=5H+6C

2C 2D

2S 2NT

3C 3D=RELAY

?3H=5431 D SPL

3S=5431 H SPL

3NT=5422

2C 2D

2S 2NT

3S ?4C=FIT C WAITING (OPENING BID 4D/4H=D/H SPL) 4D=FIT S CUEBID

(OPENING BID 4H/S=D/H SPL)

4H=FIT S CUEBID (OPENING BID 4S=D SPL 4NT=RKCB 5C=H SPL)

2C 2NT=PUP TO 3C

3C ? 3D= D+H 5-5 FG

3H= 5H+5S FG

3S= 5S+5D FG

14. 2D 2NT=RELAY

?3C= H MIN

3D= S MIN

3H= S MAX

3S= H MAX

3NT= AKQXXX

11

2D ? 4C=ASKS TRF M

4D=ASK BID M

15. 2H 2NT=RELAY

?3＝54 MIN， 3relay：3 、3＝5 4、4 5

3 ＝55，BAD. -3 /=NF

3 ＝5 4 MID -3=FIT,F

-4/ =FIT

-4NT= H RKCB,

3＝54 , MID -4=FIT

-4 =FIT

-4NT= S RKCB,

3NT＝55，MAX， 4=FIT H

4 =FIT S

4/4 ＝SPL65＋

MAX -4NT=ASKS “A”

16. 2S=S+m ? 2NT=RELAY

3C=P/C

3D=4+S FIT FG

3H=NAT NF,

3S=NF

3NT=TO PLAY

4m=P/C

4H/S=TO PLAY

4NT=preference m

2S 2NT=RELAY

？3m= 5S+4+C/D，min

3H= 5S+5C，MAX（4NT=S RKCB, 0；1；1+Q;2;2+Q），

3S= 5S+5D， MAX（4NT=S RKCB, 0；1；1+Q;2;2+Q），

3NT= 6S+5m 4Crelay：4D=D；4H=C

4C= 5S+6C，MAX

4D= 5S+6D，MAX

17. 2NT ?3C=STAYMAN

3/4D/H=TRAN

3S=m’s

3NT=TO PLAY

4C=HAVE 5+m,SLAMISH

4S=6-5m’s

5C/D=TO PLAY

2NT 3C

?3D=NO 4M

3H/S=4 CARDS

3NT=4-4MAJOR

12

2NT 3D

3H=2-3H

3S=4 H FIT S HAVE CONTROL

3NT=TO PLAY

4C=4H FIT S NO CONTROL

4H=TO PLAY

2NT 3H

?3S=2-3S

3NT=TO PLAY

4C/D=4 S FIT

4S=TO PLAY

2NT 3D

3H ?3S=5-5 M,F,SLAMISH

?4C=FIT H

4D=FIT S

2NT 4C

4D=ASK ?4H=C

4S=D