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1NT Opening

14-16, 15-17 3rd seat vul and 4th seat

w/shapes: (4333), (4432), 5m(332), =4414, =2245, 6m(322), 7m222

15-16 w/5-card M

w/shapes: =2533, 35(23), =5233

w/=44(32) and 14 we tend to open 1♣


2♣
Stayman, 8+, ask for M4 or 0-7 w/=4441, =(34)51, =(43)42, =3352, less frequently w/♦3-card
2R
TRF
2♠
Range ask - ♣ weak or S/T or CONFI or bal INV to 3NT (9-10.5)
2NT
Puppet Stayman (GF, never w/44M, always w/43M)
3♣
TRF ♦ weak or S/T
3♦
nat INV
3M
SPL, 5+5+ in minors
3NT
to play
4♣
SUPERCONFI
4R
Texas, weak or S/T
4♠
6♣ 5♦
4NT
6♦ 5♣
5m
to play

1NT-2♣

2♦
no M4
2♥
4♥
2♠
4♠, no 4♥
1NT-2♣-2♦
2M
INV w/5M 4oM
2NT
nat INV
3m
nat S/T
3M
GF, 5oM 4M
4m
6M(m+2) 4oM
4M
6M 4oM, to play
1NT-2♣-2♥
2♠
♥ support, stronger than 4♥
2NT
INV, 4♠
3m
nat S/T
3♥
INV
3NT
to play
4m and 3♠
SPL
1NT-2♣-2♠
2NT
INV, 4♥
3m
nat S/T
3♥
♠ support, stronger than 4♠
3♠
INV
3NT
to play
4m and 4♥
SPL

1NT-2♦

2♥
accept
2♠
s-accept w/side Ax, Kx, Jx, xx
3♥
semiPRE
1NT-2♦-2♥
2♠
INV, 5+5+ majors
2NT
nat INV
3m
nat S/T
3♥
INV, 6+♥
3♠
SPL
3NT
to play
4m
SPL
4♥
14-16, 6322 or 7222
1NT-2♦-2♠
2NT
GF, asks for doubleton
3♦
retransfer
3♠
SPL
4m
SPL

1NT-2♥

2♠
accept
2NT
s-accept w/side Ax, Kx, Jx, xx
3♠
semiPRE
1NT-2♥-2♠
2NT
INV
3m
nat S/T
3♥
GF, 5+♥ 5+♠
3♠
INV, 6+♠
3NT
to play
4m
SPL
4♥
SPL
4♠
14-16, 6322 or 7222
1NT-2♥-2NT
3♣
GF, asks for doubleton
3♥
retransfer
4m
SPL
4♥
SPL

1NT-2♠

2NT
minimum
3♣
maximum
1NT-2♠-2NT
3♣
to play
3♦
CONFI
3M
SPL
3NT
S/T 6322, 7222 or SPL ♦
1NT-2♠-3♣
pass
weak ♣
3♦
CONFI
3M
control
3NT
to play

1NT-2NT

3♣
no 5+M
3M
5+M
1NT-2NT-3♣
3♦
=(13)(54) (sbsq. 3♥ asks for singleton – 3♠ spade, 3NT heart)
3M
4oM
3NT
to play

1NT-3♣

3♦
accept
1NT-3♣-3♦
pass
weak ♦
3M
shortness
3NT
6322/shortness ♣

1NT-3M

3♠
both minors suitable to play on the 6th lvl
3NT
to play
4m
sets the trump suit

1NT-2♣-2M-3♣-3♦ and 3oM

1NT-2♣-2M-3♦-3oM

is still GBS and searching for stoppers!

After interference

Helvic Wriggle Runouts

1NT-(X)

: (X = PEN)

XX
forces 2♣ by opener, then p/c w/any one-suiter
pass
forces XX by opener, then pass PEN or bid 2♣ w/4+♣ 4+♥ or bid 2♦ w/4+♦ 4+♠
2♣
4+♣ 4+♦
2♦
4+♦ 4+♥
2♥
4+♥ 4+♠
2♠
4+♠ 4+♣

w/4333, you decide if you have a two-suiter or a single-suiter

When they intervene our 1NT conventionally

This is a bit complex. We have agreements only against the most used conventions.

1NT-(2♣ 1-SUITED)

System ON

1NT-(X RAPTOR)

2nd lvl
Helvic Wriggle ON
2NT
nat INV
3a
3NT seeking - denies lower stopper
3NT
to play
4M
to play, semiPRE
5m
to play

1NT-(2NT MINORS)

X
potential PEN (later X = PEN)
3♣
STAY
3♦
TRF INV+ (sbsq. 3♥ no fit, serious/-non-serious)
3♥
TRF INV+ (sbsq. 3♠ no fit, serious/-non-serious)
3♠
no minors stopped, 3NT seeking, partner bids 4m cue if 3NT cant be made
3NT
Both minors stopped
4m
NAMYATS, probably slammish or semiPRE
4M
to play, probably semiPRE
4NT
nat INV
5m
to play

After they intervene our 1NT w/other conventional overcall

X
7+ DSI2
2 in a suit
nat nF
2NT
Puppet*
3♣-3♠
TRF INV+
3NT
to play (without a stopper if their suit is known)

Transfer Lebensohl after they intervene our 1NT w/natural 2 in a suit

w/clubs

system ON

w/other

TRF Lebensohl

X
7+ cards/DSI2
2 in a suit
nat, nF
2NT
Puppet*
3♣-3♠
TRF INV+ (TRF to their suit is Stayman without a stopper)
3NT
to play (without a stopper)
cue 5th lvl
F5NT, bid 6NT with A/K
Over 2♦ Over 2♥ Over 2♠
4m NAMYATS 4m 5♠ 5+m GF 4m 5♥ 5+m GF
4M nat to play, semiPRE 4♥ TRF 4♥ to play
  4♠ to play 4♠ 5+♣ 5♦
  4NT minors 4NT 5+♣ 6+♦

*Puppet can contain:

  • nF suit on the 3rd lvl (lower ranking)
  • 3NT to play with a stopper
  • Their suit thru puppet: Stayman with a stopper
  • INV 6+ suit on the 3rd lvl (higher ranking)

Fast Always Denies Stopper.

1NT-(3♣)

3R
TRF, INV+
3♠
GF w/♦
4♣
Majors
4R
TRF
4S
to play

4th hand interferes

They double our Stayman

w/♣ stopper, w/o don’t, reopen XX is asking again

They double our TRF

w/support bid, w/o don’t, reopen XX is retransfer