DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS WBF Convention Card OVERCALL (Style; Responses; 1/2level; Reopening) OPENING LEADS STYLE CATEGORY GREEN Standard overcall Lead In Partner’s Suit Responses: Suit 4 th , MUD 4 TH , MUD, H NCBO CBLT Level 1 or 2 = NF, Fit Jump = Game Invitation or Drury NT 4 TH ACE/UB, TOP 4 TH , TOP, H EVENT APBF – Fukuoka, Japan Jump raise = Pre-empt., Cue Bid = support G Inv. F1 Subseq COUNTRY THAILAND Jump Cue Bid = Ask for Stopper Other: ACE vs NT asks UB PLAYERS Vallapa-Virat Denny-Apisai Top of sequence, Top or Second Top of nothing 1NT OVERCALLS (2 nd /4 th Live; Responses; Reopening) LEADS SYSTEM SUMMARY 2 nd & 4 th = 15-17 HCP, Balance LEAD Vs. Suit Vs. NT GENERAL APPROACH AND STYLE Responses : system on unless intervene by Opp. Ace AKx(+),AQx(+),Ax(+), AKJ10x(+), Ax, Axx Opp. X same response as Take Out Double King AK,KQx(+), AK,AKx,KQ(+), AKJx(+) Two over one Game Force Of 1NT by Opp below Queen QJ, QJ(+), QJ,QJ10(+),AQJ(+) 1NT opening 15-17 HCP may have 5 cards M 6 cards m Jack J10,J10(+),KJ10x(+) J10,J10x, HJ10x(+) 2C= 22+HCP any distribution or game in hand JUMP OVERCALL (Style; Responses; Unusual NT) 10 109,10x(+),K/Q109x(+) 10x,109x,H109(+) 2D= Multi, 2H/2S = 2 suits weak Weak Jump Overcall normally apply Rule of 2 and 3 Hi-x xx,xxxx(+) xx,xxx(+) 3NT=Gambling Lo-x K/Q/J/10xx(+),xxxx(+) A/K/Q/J/10xx(+),xxxx(+) 1H/1S -> 1NT = Forcing for one round SIGNALS IN ORDER OF PRIORITY SPECIAL BIDS THAT MAY REQUIRE DEFENCE DIRECT and JUMP CUE BIDS (Style; Responses; Reopen) Partner’s Lead Declarer’s lead Discarding Direct Cue Bid = Michaels Cue Bid Suit 1st ATT ATT HI = ENCG Lebensohl after 1C/1D – 2C/2D= Two majors ,2NT = another m + one M 2nd CT CT LOW=DIS 1NT opening & Opp. Interfere 1H/1S – 2H/2S = another M + one m 3rd SP SP Weak two opening by Opp. 1H/1S – 2NT = Two minors NT 1st t ATT ATT SP Opener reverse VS. NT (vs. Strong / Weak; Reopening; PH) 2nd CT CT CT VS Unusual, Michael [1], Multi[2] Cappelletti 3rd SP SP 4 th Suit Fat least 1 round, 2 ways checkback. Drury Double = strong, penalty Signals (including Trumps): Encrg./Disc. Bergen Raise 2C = one suit hand 2D = H + S at least 9 cards Hi-Lo show 3 trumps w ability to ruff Jacoby 2NT, Cue-bid 2H = H + minor 2S = S + minor Lavinthal discard on NT & SMITH ECHO 2NT = C + D DOUBLES After Opp. Overcalls M Opening with another M TAKEOUT DOUBLES (Style; Responses; Reopening) Cue-bid = 3+ cards support, same M = 7-9, other = transfer VS. PREEMPTS (Doubles; Cue-bids; Jumps; NT bids) Up to 4H, Standard take out or strong Double = Optional (normally T/O) Responses : Natural, Lebensohl If m Opening : Cue-bid/New suit = F for at least 1 round Cue-bid/Jump = Strong . 2NT = 15-17 HCP, 3NT = To play SPECIAL FORCING PASS SEQUENCES VS. ARTIFICIAL STRONG OPENINGS SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES/REDOUBLES DOPI, ROPI Double = Show that suit bids Negative Double = 8+ HCP Natural overcall Free Bid = 5+cards, forcing for at least 1 round VS Unusual, Multi, Michael IMPORTANT NOTES THAT DON’T FIT ELSEWHERE OVER OPPONENTS’ TAKE OUT DOUBLE We do not pass when unclear 1NT : xx = transfer to 2C (Res. Bids 2D=D5+, 2H=H5+, 2S=S5+ Double when Opp cue bid our suit = Don’t have to lead this suit 2C=C4+unknown suit, 2D=D4+M, 2H=both M, Pass when Opp cue bid our suit = Pl lead my suit 1M : xx= 10+HCP, Transfer response, Raise=Pre-empt, System on PSYCHICS: SELDOM OPENING BID DESCRIPTIONS
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DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS WBF Convention Card
OVERCALL (Style; Responses; 1/2level; Reopening) OPENING LEADS STYLE CATEGORY GREEN Standard overcall Lead In Partner’s Suit
Responses: Suit 4th , MUD 4
TH, MUD, H NCBO CBLT
Level 1 or 2 = NF, Fit Jump = Game Invitation or Drury NT 4TH
ACE/UB, TOP 4TH
, TOP, H EVENT APBF – Fukuoka, Japan
Jump raise = Pre-empt., Cue Bid = support G Inv. F1 Subseq COUNTRY THAILAND
Jump Cue Bid = Ask for Stopper Other: ACE vs NT asks UB PLAYERS Vallapa-Virat Denny-Apisai
Top of sequence, Top or Second Top of nothing
1NT OVERCALLS (2nd
/4th
Live; Responses; Reopening) LEADS SYSTEM SUMMARY
2nd
& 4th = 15-17 HCP, Balance LEAD Vs. Suit Vs. NT GENERAL APPROACH AND STYLE
Responses : system on unless intervene by Opp. Ace AKx(+),AQx(+),Ax(+), AKJ10x(+), Ax, Axx
Opp. X same response as Take Out Double King AK,KQx(+), AK,AKx,KQ(+), AKJx(+) Two over one Game Force
Of 1NT by Opp below Queen QJ, QJ(+), QJ,QJ10(+),AQJ(+) 1NT opening 15-17 HCP may have 5 cards M 6 cards m
Jack J10,J10(+),KJ10x(+) J10,J10x, HJ10x(+) 2C= 22+HCP any distribution or game in hand
Details of System : Vallapa-Virat-Asdang; Taristchollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
Lebensohl when reverse
A B
1C 1S
2D = Reverse 2H = maybe weak -----> 2NT/3C = min
2S = F1 5S+
2NT = GF H stop
3C = GF 3+C
3D = GF 4+D
3H = GF 5S+5H
3S = GF 6 goods Spade Maximum 1 loser
4C Picture Jump AKxxx xx xx Hxxx
4D AKxxx xx Hxxx xx
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
Defensive bidding
Case 1 OPP WE OPP WE
1S X= T/O 2S X = 2suits 4-4 8+
Case 2 OPP WE OPP WE
1H X= T/O 2H X = 2suits 4-4 8+
Case 3 OPP WE OPP WE
1H X= T/O 3H X = 2suits 4-4 10+
Case 3.1 OPP WE OPP WE
1H X= T/O 3H X = 2suits 4-4 10+P 4S = 6+ own suit 17+
Case 3.2 OPP WE OPP WE
1H X= T/O 3H X = 2suits 4-4 10+P 4H = GF may have 4 cards S
Case 3.3 OPP WE OPP WE
1H X= T/O 3H 3S = S4, 9-11 HCPP
Case 4 OPP WE OPP WE
1H X= T/O 1S X = S4 8+ HCPP 2S = To play
Case 5 OPP WE OPP WE
1H X= T/O 1S X = S4 8+ HCPP 2S = To play Pass 2NT= H stopper Invitation to Game
Case 6 OPP WE OPP WE
1H X= T/O 1S X = S4 8+ HCP2H X = 15+HCP Pass
Case 6.1 OPP WE OPP WE
1H X= T/O 1S X = S4 8+ HCP2H X = 15+HCP Pass 2S = To play 4-4 or 4-3 fit 8-9 HCP
Case 7 OPP WE OPP WE
1D X 1NT X = any 9+
Case 8 OPP WE OPP WE
1D X 1NT 2S = S4/5 < 9 Hcp NF
Case 9 OPP WE OPP WE
1D X 1NT 3S = S6< 9 Hcp NF
Case 10 OPP WE OPP WE
1D X 1NT 2D = Both major 4-4 or 4-3 < 9 Hcp
29May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
LebensohlCase 1 WE OPP WE
1NT 2S x = T/O maybe not have H42NT = Transfer C or D or H NF (1.1-1.3)3C = GF3D = GF3H = GF3S = No S stopper No H4
3NT = S stopper No H4
Case 1.1 WE OPP WE1NT 2S 2NT = Transfer C or D or H NF3C 3D/3H = Can Pass NF
Case 1.2 WE OPP WE1NT 2S 2NT = Transfer C or D or H NF3C 3S = H4 no Spade Stopper
Case 1.3 WE OPP WE1NT 2S 2NT = Transfer C or D or H NF3C 3NT = H4 and Spade Stopper
Case 2 WE OPP WE2S X
2NT = 0-7 or Balance bad 8 HCP -> 3C -> 3D or 3H = to play3C/3D/3H = 5+ cards suit with 9-11 HCP or good 8 HCP
3S = GF no stopper and no 4 cards H3NT = GF with S stopper no 4 cards H
Case 2.1 WE OPP WE2S X
2NT 3C3S = GF no stopper with 4 cards H
3NT = GF with S stopper with 4 cards H
29May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
2C forcing after 1D opening
Case 1 A B
1D 2C = 10+
2D = D5+ any
2H = Deny 5 cards D, no 4 cards C, minimum & no H+S stopper (may have 4 cards H/S)
2S = GF at least D4+ with C4+
2NT = 15+ HCP GF with H+S Stopper
3C = Minimum at least D4+ with C4+
3D = Good D6+ 15+HCP3H/S = Splinter (short in Suit bid) and support C 14+
Case 1.1 A B
1D 2C = 10+
2D = D5+ any 2H = GF H stopper
2S = GF S stopper
2NT = GF H+S stopper
3C = NF3D = NF
Case 2 A B
1D 2C = 10+
2H = Forcing 2S = GF no H stopper
2NT = GF H+S stopper3H = H stopper no S
29May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
Namyats response - OPENING WITH 7 1/2 QUICK TRICKS IN MAJOR SUIT
Case 1 A B
4C 4D = asking control outside H suit
4H =No control
4S = S control
4NT = D control
5C = C control
Case 2 A B
4D 4H = asking Control outside S suit
4S = No control
4NT = H control
5C = C control
5D = D control
27July2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
2NT Romex jump 2NT with 18-19 , 2D multi strong NT24-25, open 2NT strong 20-21,
and 2C strong rebid 2NT 22-23
Case 1 A B
2NT 3C = Stayman
3D =No major or S4 ** (see 1.1)
3H =H4/5 ** (see 1.2)
3S =5S3NT = H4+S4
Case 1.1 A B
2NT 3C = Stayman
3D =No major or S4 3H = asking
3S =S43NT = NO major
3D =No major or S4 3S = S4/H5
3NT = H4/S5
Case 1.2 A B
2NT 3C = Stayman
3H =H4/5 3S = asking
3NT =H4
4C = H5 with control C4D = H5 with control D
Case 2 A B
2NT 3D = Transfer
3H 3S = Any Splinter H6+ Good Suit
** (See 2.1)4H = Slam interest H6+
Case 2.1 A B
2NT 3D = Transfer to H
3H 3S = Any Splinter H6+ Good Suit
3NT = Asking 4C = C Short
4D = D Short
4H = S Short
Case 3 A B
2NT 3H = Transfer
3S 3NT = Natural
4C = Second Suit 4 cards +
4D = Second Suit 4 cards +
4H = Second Suit 5H/5S
Case 4 A B
2NT 3S = One Minor suit
= Two minor suits weak= Two minor suits strong
18Aug2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
Response 2C opening
Case 1 A B
2C 2D = 0-1 Control (See Case 2,3)
2H = 2 Control
2S = 3+ Control
2NT = 6 cards solid any suit (See Case 4)
3C/3D/3H/3S '= 6 cards semi-solid suit with 1 loser
3NT = 7 cards solid any suit (See Case 5)
Case 2 A B
2C 2D = 0-1 Control
2H = puppet to 2S 2S = Bid as requested
2.1 2NT = Bal 26+
2.2 3C = H+C 22+
2.3 3D = H+D 22+
2.4 3H = H+S 22+
Case 3 A B
2C 2D = 0-1 Control
3.1 3H = H Suit 6+ cards
3.2 3S = S 5+ cards
Case 4 A B
4.1 2C 2NT = 6 cards solid any suit
3C = which suit 3D/3H/3S = suit
3NT = C suit
4.2 4NT = quality ? 5C = AKQ 6 cards
5D = AKQJ 6 cards
Case 5 A B
5.1 2C 3NT = 7 cards solid any suit
4C = which suit 4D/4H/4S = suit
4NT = C suit
5.2 4NT = quality ? 5C = AKQ 7 cards
5D = AKQJ 7 cards
5H = AKQ 8 cards
5S = AKQJ 8 cards
Case 6 WE OPP WE
2C 2D Pass = Game Forcing
x = 0-2 HCP
2H/2S/3C =5 cards good suit GF
13Aug2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
When opps double 1 majors (1H/1S)
Case 1 WE OPP PDN
1H x pass = nothing to bid
xx = 10+
1S = Normal
1NT = Transfer to C 8+
2C = Transfer to D 8+
2D = 7-10 H3+
2H = 3-6 H3
2S = H4+S5 good suit 9+
2NT = H4+ limit raise or better
3C/D = H4+ 5 C/D good suit3H = 0-5 H4+
Case 2 WE OPP PDN
1S x pass = nothing to bid
xx = 10+
1NT = Transfer to C 8+
2C = Transfer to D 8+
2D = Transfer to H 8+
2H = Spade Support 3+ 7-10 HCP
2S = Spade Support 3+ 3-6 HCP
2NT = S4+ limit raise or better
3C/D/H = S4+ 5 C/D/H good suit3S = Spade Support 4+ 0-5 HCP
31May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
Inverted minor Case 1 A B
1C 2C = 10+2D = invitation2H = artifical can be any case, pl declare ** see 1.12S = GF C4 +
2NT = Maximum H+S stopper 15+ ** see 1.23C = Minimum
3D/H/S = Splinter 15+
Case 1.1 A B1C 2C = 10+2H = artifical can be any case, pl declare 2S = S stopper no H stopper GF
2NT = S and H stopper GF3C = NF 10-113D = GF C+D Nat
Case 1.2 A B1C 2C = 10+
2NT = Maximum H+S stopper 15+ - 18 3NT =10-13
Case 2 A B1D 2D = 10+2H = artifical can be any case, pl declare ** see 2.12S = GF D4 +
2NT = Maximum H+S stopper 15+ 3C = D+C3D = min
3H/S/4C = Splinter 15+
Case 2.1 A B1D 2D = 10+2H = artifical can be any case, pl declare 2S = S stopper no H stopper GF
2NT = S stopper & H stopper GF3C = GF D+C Nat 3D = NF 10-113H = Stopper H no S GF3S = Splinter D6+
14June2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
2wayDrury open in 3rd/4th or when overcall in 3rd or 4th seat
Case 1 1st 2nd 3rd 4th
P P (1C) 1H/1S P
2C = 2 case** P 2D = 2 case ** P
1. support H3 10-11 1. Min
2. C6+ 10-11 2. Diamond suit
Case 1.1 1st 2nd 3rd 4th
P P (1C) 1H/1S P
2C = 2 case** P 2D = 2 case ** P
2H 2NT =H+D 13+
Case 2 1st 2nd 3rd 4th
P P (1C) 1H/1S P
2D = Nat D Suit 10-11 P 2H/2S = min P
No Support any bid show opening
31May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
4th SUIT FORCING
Case 1 A B1C 1D1H 1S = 4th forcing 1 round
1NT = Bal min2C = C5+H42D = D3+H4+C5 min2H = C5+H4 max no Spade stopper2S = S4
2NT = C5+H4 max Spade stopper3C = C6+H4 max 3D = D3+H4+C5 or C6 max
Case 2 A B1C 1D1H 1S = 4th forcing 1 round2C = C5+H4 2D = Nat NF
2H = 4H GF2S = 4S GF artifical
2NT = Nat INV3C = INV
Case 2.1 A B1C 1D1H 1S = 4th forcing 1 round2D D3+H4+C5 or C6
Case 3 A B
1C 2H = H5+D5 6-92S = S5+D5 6-9
Case 4 A B1D 2H = S5+H4+ 7-10
2S = S6+H4+ 7-10
Case 5 A B1D 1H1S 2C = 4th game forcing2D = 5D+ 4S 13-14 HCP2H = 3H minimum2S = no Stopper in Club suit
2NT = C stopper 3C = 4C+ /4441/4054/40453D = Maximum 16-173H = 3H Maximum /4351/4360
25-May-12
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
1NT SERIES
Case 1 A B1NT 2C* = NF Stayman (0+)2D = No major 2H = 4H/4S, 4H/5S, 5H/4S NF
2S = 4S+Long suit minor NF ** (See 1.1)2NT = INV Maybe No major3C = Artifical asking ** (See 1.2 & 1.3)3D = D 5 cards + 1 Major ** (See 1.4)3H = 5S/4H ** (See 1.5)3S = 5H/4S
Case 1.1 1NT 2C* = NF Stayman (0+)2D = No major 2S = 4S+Long suit minor NF
2NT = D longer than C or same3C = C longer than D
Case 1.2 1NT 2C = NF Stayman (0+)2D = No major 3C = Artifical asking for Minor suit3D = Have 5 cards minor 3H = Which minor do you have?3S = C5
3NT = D5
Case 1.3 1NT 2C = NF Stayman (0+)2D = No major 3C = Artifical asking for Minor suit3H = 3334 Club 43S = 3343 Diamond 4
3NT = 4+4 minor
Case 1.4 1NT 2C = NF Stayman (0+)2D = No major 3D = Long D 5/6+ Major 43H =asking 3S = S4
3NT = H4
Case 1.5 1NT 2C* = NF Stayman (0+)2D = No major 3H = 5S/4H3S = support spade 4C/4D = short inC/D invitation to Slam
Case 2 1NT 2C* = NF Stayman (0+)2H = H maybe 5 cards Nat 3C = asking for 4or 5 cards suit ** (see 2.1)
3S = Heart fit, invitation to Slam4NT = Quantitative
Case 2.1 1NT 2C = NF Stayman (0+)2H/2S = H/S 4-5 cards 3C = asking for 4or 5 cards suit
3D = H/S 5 cards3H/3S = H/S 4 cards + C 4 cards
3S = H/S 4 cards + D 4 cards3NT = 3433/4333 only 4 cards Heart/Spade
Case 3 1NT 2C* = NF Stayman (0+)2S = S maybe 5 cards Nat 3C = asking for 4or 5 cards suit ** (same as 2.1)
3H = Spade fit, invitation to Slam4NT = Quantitative
Case 4 1NT 2C* = NF Stayman (0+)2NT = 4H+4S min Transfer ** (see 4.1)3C = 4H+4S Max Transfer ** (see 4.1)
Case 4.1 1NT 2C* = NF Stayman (0+)2NT/3C = 4H+4S min/max 3D = Transfer Heart
3H = Transfer S
Case 5 1NT 2D* = Heart suit or 4441/5440 GF any suit2H 2S = Cancel transfer 4441/5440 GF any suit
2NT = asking for short suit 3C = short in Black suit ** (see 5.1)3D = short in Red suit ** (see 5.2)
Case 5.1 1NT 2D* = Heart suit or 4441/5440 GF any suit2H 2S = Cancel transfer 4441/5440 GF any suit
2NT = asking for short suit 3C = short in Black suit3D = asking which black suit short 3H = Club (lower rank black suit)
3S = Spade (Higher rank black suit)
Case 5.2 1NT 2D* = Heart suit or 4441/5440 GF any suit2H 2S = Cancel transfer 4441/5440 GF any suit
2NT = asking for short suit 3D = short in Red suit3H = asking which red suit short 3S = Diamond (lower rank red suit)
3NT = Heart (Higher rank red suit)
Case 5.3 1NT 2D* = Heart suit or 4441/5440 GF any suit2H 3C = GF 5H+/4C+3D = Support C 5/4 card+ no H3 3H = Support H3/4 no C4 ** any bid by responsder Cuebid**
3NT = No fit4C = Support C4 /5+ H34D = Support C4 + H4
Case 5.4 1NT 2D* = Heart suit or 4441/5440 GF any suit2H 3D = GF 5H+/4D+3H = Support H3/4 no D4 3S = Support D4 ** any bid by responsder Cuebid**
3NT = No fit4C = Support D4 /5+ H34D = Support D4 + H4
Case 5.5 1NT 2D* = Heart suit or 4441/5440 GF any suit2H 3S/4C/4D = short suit with self support
4H = NO short 13+
Case 6 1NT 2D* = Heart suit or 4441/5440 GF any suit2S = Max support 4card+ heart 2NT = Transfer Heart3H 3S/4C/4D = short slam interest 11+
3NT = NO short slam interest 13+
4C = start cuebid
Case 7 1NT 2D* = Heart suit or 4441/5440 GF any suit2S = Max support 4card+ heart 3C = short in Black suit
3D = short in Red suit
Case 7.1 1NT 2D* = Heart suit or 4441/5440 GF any suit2S = Max support 4card+ heart 3C = short in Black suit3S = support 4H cuebid
Case 8 1NT 2S = case 1 weak 1 suit minor 6+= case 2 weak 2 suit minor 5+5= case 3 Strong 2 suit minor 5+5
2NT = D longer than C or same3C = C longer than D
2NT = D longer than C or same 3H/3S = short H/S 5C+5D GF3C = C longer than D 3NT = No short 2254/2245 Bad Major
2NT = D longer than C or same 3H = short H 5C+5D GF3C = C longer than D3S = cuebid
2NT = D longer than C or same 4H = Void in Heart no Club Control 12+ Interest3C = C longer than D
2NT = D longer than C or same 4C =short H & S i.e. 6/5 or 6/6 in minors 3C = C longer than D with 9-11 HCP
4D = same as 4C but with 12 HCP+
Case 9 1NT 2NT = minor 6 card 11+ no second suit3C = puppet 3D = 6D+
3H/S = short in H/S 6C+3NT = No short 6C+ 12-14
3C = puppet 3D = 6D+3H = ask short suit 3S/4C/4D = short suit S/C/H
4NT = Good hand no short 14-15
Case 10 1NT 3C = 6 Good cards + 4 other3D = puppet 3H = 6C+ 4H
3S = 6C+ 4S
= 3C/3D To play
3NT = 6C+ 4D4C = 6C+ 4D good in C INV4D = 6C+ 4D INV4H = 6C+ 4D Void H4S = 6C+ 4D Void S
Case 11 1NT 3D = 6D+ 4 major 9+ or 6D+ 4 club 12+3H = asking 3S = 6D+ 4S 9+
4H = C5 INV 12+ H control4S = C5 INV 12+ short S no heart control
Case 13 1NT 4D/4H* = Texa transfer No slam interest
25July2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis; BIDDING WHEN OPPONENT OVERCALL OUR MAJOR OPENING
Case 1 A OPP B
1S 2H 2NT* = Show 6 cards Club 8+ HCP
3C = Show 6 cards Diamond 8+ HCP
3D = Support S 4+ cards Limit bid
3H = Support S 3 cards Limit bid
3S = Competitive bid 7-9 HCP
Case 2 1H 2S 2NT* = Show 6 cards Club 8+ HCP
3C = Show 6 cards Diamond 8+ HCP
3D = Support H 3+ cards Limit bid
3H = Competitive bid 7-9 HCP
29May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis; WHEN OPENER SUPPORT RESPONDER WITH FOUR CARDS MAJOR
Case 1 A B
1D 1H
2H 2S* = Relay at least invitation
2NT* = short in S
3C * = short in C
3D* = 5D+ 4H (bid 3H after 3D asking for Max or Min if min pass 3H if max bid 4H)
3H* = minimum Balance
Case 2 A B
1D 1S
2S 2NT* = Relay at least invitation
3C * = short in C
3H * = short in H
3D * = 5D+ 4S (bid 3S after 3D asking for Max or Min if min pass 3S if max bid 4S)
3S * = minimum Balance
Case 3 A B
1D 1H
2H 2NT* = help suit in Spade
3C * = help suit in Club
3D* = help suit in Diamond
Case 4 A B
1D 1H
3H * 3S* = Relay
3NT* = short in S
4C* = short in C
4D = Better hand
4H = Minimum = 15 HCP or bad 16 HCP
31May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
JACOBY 2NT
Case 1 A B1H 1.1 2S = Support 4H+ GF Balanced
1.2 2NT = Balanced GF (2 or 3cards heart) 13-161.3 3C = Support 4H+ 7-9 1.4 3D = Support 4H+ 10-111.5 3S /4C/4D = Short suit, Support 4H+ 12+ unbalanced
Case 1.1 A B1H 2S = Support 4H+ GF Balanced
2NT = Short in Spade suit (MUST NOT BE A singleton)3C = Short in Club suit (MUST NOT BE A singleton)3D = Short in D suit (MUST NOT BE A singleton)3H = No Short suit 14+4H = No Short Minimum 11-13 HCP
Case 1.2 A B1H 3C = Support 4H+ 7-9
3D* = asking Max or Min 3H* = minimum3S/4C/4D = Short suit in S/C/D
Case 1.3 A B1H 3D = Support 4H+ 10-11
3H* = Min 11-12
Case 1.3.1 A B1H 3D = Support 4H+ 10-11
3S/4C/4D = Short suit & Slam Interest3NT = No short suit 16+ slam interest next start cue bid
Case 1.4 A B1H 3S/4C/4D = Support 4H+ 12 (singleton or void)
If interset to slam start cue bid
Case 2 A B
1S 2.1 2NT = Bal. 13-16; no S support
2.2 3C = Jacoby/Support S4+ GF Balanced
2.3 3D = Support S4+ 7-9
2.4 3H = Support S4+ 10-11
2.5 4C/4D/4H = Short Suit; Support S4+ 12+ unbalanced
Case 3 A B
1H/1S 2NT = Balanced GF (2 or 3cards heart) 13-16
Should not have good 5 cards suit/can have bad 5 cards suit
Case 3.1 A B
1H 2NT = Balanced GF (2 or 3cards heart) 13-16
3C = Club suit 4+ 3.1.1 3D = Support C4+
3.1.2 4C = Support C4+H3
Case 3.2 A B
1H 2NT = Balanced GF (2 or 3cards heart) 13-16
3D = Diamond suit 4+ 3.2.1 3S = Support D4+
3.2.2 4C = Support D4+H3
31May2012-Denny
Details of System : Vallapa-Virat-Asdang; Tarischollatorn-Sorada; Pavinee-Kanokporn; Tanaporn-Chayanis;
2 WAYS CHECKBACKCase 1 A B Case 2 A B
1D 1H or 1S 1D 1H or 1S 1NT 2C = puppet to 2D NF 1NT 2D = Game Forcing2D