Opening

System 2 over 1 BIG BANG THEORY ( Dual System ) V.1 (October 2015)

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Opening

when Red 1 : 12-14 HCP. NT no 5M or 10-22 HCP. 5+ unbalance or 4:44:1 1 : 10-22 HCP. 5+ unbalance or 4:44:1 any 1M : 12-14/18-19 HCP. 5M332 or 10-22. 5+M unbalance

1NT : 14+-17 HCP. NT

when Green vs Red 1 : 14-17 HCP. NT no 5M or 10-22. 5+ unbalance or 4:44:1 1 : 10-22 HCP. 5+ unbalance or 4:44:1 any 1M : 14-19 HCP. 5M332 or 10-22 HCP. 5+M unbalance

1NT : 10-13 HCP. NT

when Green vs Green or 4th Hand

1 : 15-17 HCP. NT no 5M or 10-22. 5+ unbalance or 4:44:1 1 : 10-22 HCP. unbalance or 4:44:1 any 1M : 15-19 HCP. NT or 10-22 HCP. 5+M unbalance

1NT : 12-14 HCP. NT

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2 : 17+-19 HCP. NT no 5M 2 : 23+ HCP. Any or 10 Winner 2NT : 20-22 HCP. NT

3NT : [1] 12-15 HCP. 7m solid DENGAN A/K side suit

[2] < 16 HCP. 8+m solid TANPA A/K side suit

4NT : 3-9 HCP. 6-5minors min K in minor

5m : 6-10 HCP. 9+m min AQ10/AQJ/KQ10/KQJ [Rule 5]

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Green 2M : 1st Hand : 1-10, 6+M min J [Rule 5]

2-3 Hand : 3-10. 5M min HH10 or 6+M min QJ [Rule 5]

3m : 1st Hand : 1-10, 7+m min J [Rule 5]

2-3 Hand : 3-10. 6m min HH10 or 7+m min QJ [Rule 5]

3M : 1st Hand : 1-10. 7+M min J [Rule 5]

2-3 Hand : 3-10. 7+M min QJ [Rule 5]

4m : 5-10. 8+m min HH10 [Rule 5]

4M : 1st Hand : 3-10. 7+M min K [Rule 5]

2-3 Hand : 4-10. 7+M min HJ10 [Rule 4]

Red 2M : 4-10. 6M min Q/K/A-J10 [Rule 3]

3m : 4-10. 7+m min K/A-J10 [Rule 3]

3M : 4-10. 7+M min K/A-J10 [Rule 3]

4m : 5-10. 8+m min K/A-J10 [Rule 3]

4M : 8-14. 7+M min K/A-J10. [Rule 3]

NT range Red 11+-14 HCP : 1 or 1M 14+-17 HCP : 1NT

17+-19 HCP : 2 or 1M 20-22 HCP : 2NT

23+ HCP : 2

Green vs Red 10-13 HCP : 1NT

14-17 HCP : 1 or 1M 17+-19 HCP : 2 or 1M 20-22 HCP : 2NT

23+ HCP : 2

Green vs Green or 4th Hand

11+-14 HCP : 1NT

15-17 HCP : 1 or 1M 17+-19 HCP : 2 or 1M 20-22 HCP : 2NT

23+ HCP : 2


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1. General Approach

Italy Standar

5-cd Major (5542)

Split NT : 14+-17/12-14/10-13 NT (could be 5M).

Two Over One (2/1) FG

Mexican 2 = 17+-19 Balance (No 5-cd M)

Art FG Opening 2

Gambling 3NT (Without side A/K)

Style : Conservative Opening When VUL, Agressive Response

Agressive Opening When NVUL

Psychic / Fake Cue / Tactical Bid : Rare

Flip Flop(2 suit possible) & Transfer(3 suit possible) SPLINTER

2. Choice of Opening Bid

Open 1 with Balance no 5M (May 5:332) or unbalance

Open 1 with unbalance or 3 suiter

Open 1 with 4 and 5.

3 suiter : always open 1 except 4414 (then open 1)

Prefer Open 1 minor with 6-cd (always 1NT with 5m332)

1NT with 5M332, 5422 any w/ 2-ton Stiff Honor

Open 2 = 23+ Bal or Almost FG hand.

3. Opening 1NT / 2NT / 3NT

Stayman (F or NF)

Jacoby Transfer (plus reject)

Transfer SPLINTER

Quantitative

2NT : Stayman 5 cd M

3NT : Gambling 1st/2nd Hand, To Play in 3rd Hand

4. Opening 2 / 2X / Preempt

Response of 2 opening : Transfert & Pupet Bid

(2Red=TRF 4+/; 2=Pupet 2NT or Bid 5m; 2NT=TRF 3;

3=Both Majors (at least 54/45/55); 3=4-4 Majors;

3M=SPL:45minors; 3NT/4=ST.TRF 6+/; 4red=TEXAS. 6+/

;4/NT=Void /:65minors)

Opening 2 (GF any) and responses (2=Waiting; 2=55 any;

2NT=6-cd 1 loser suit; 3x=TRF 6x Solid; 3NT=7+any solid )

Opening 2M (Weak 2) and responses (2NT=Relay; Suit=NF;

4=Pupet 4.(ST 1 suiter); 4=Optional RKCW)

Preemptive : Depend VUL

(can be very weak if fav & 1st Hand)

4 / 4 : Natural, preempt.

4M : Weak if NVUL, Middle of Road if VUL (7-13)


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5. Opening 1 minor Transfer responses over 1 Opening

1=4+; 1=4+; 1=4+/3334; 1NT=Raise.5-8. 5+

Natural responses over 1 Opening

1/1=4+/; 2=5-8. 5+; 2=Raise.5-9. 4+

FG Relay

1 - 2 & 1 - 1NT

ART Jump Responses

1 - 2=3-9, 4:5+

1/ - 2=INV. NT

1 - 2=INV. 6+:4

1 - 2=INV. 6+:3+

1m - 2NT=Preempts Raise or FG, 7+ any Solid

1 - 3/=Preempts, TRF 7+/

1 - 3=7-11. 7+ w/ AK (TRF 3NT or 4/5 ?)

ART Multi Reverse

1 - 1=

2(om) = 16+,


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6. Opening 1 Major

Non Forcing 1NT

2 over 1 FG

2=GF, relay or 10-11, 3M:SPL any

1M - 2NT=[1] 9+-11, 4+ support

[2] 5-8/12-14, SPL :4+M (Void jika 12-14)

1 - 3/=5-8/12-14, SPL /:4+ (Void jika 12-14)

1 - 3/=5-8/12-14, SPL /:4+ (Void jika 12-14)

1 - 2=GF, 6+ or 5+:5minor

1 - 3=INV, 6+

1M - 3M+1=12-14, SPL any

1 - 3NT/4/=9-11, Void //

1 - 4//=9-11, Void //

Gazzili rebid : 1M 1y

2=11-15. 6+M or 16+, Strong no 6-4m

Unusual-2NT: 1M 1y

2NT=16+, 4m:6+M

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Opening