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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♠
  1. no minors stopped, 3NT seeking, partner bids 4m cue if 3NT cant be made
  2. Majorwood for 6 KC, initiated by cheapest bid by responder
3NT
Both minors stopped
4m
NAMYATS, probably slammish or semiPRE
4M
to play, probably semiPRE
4NT
nat INV
5m
to play
pass then
X/3♣
M + M weak
3R/3♣
TRF weak
3♠/3♣
only ♦ stopped
3NT/3♣
only ♣ stopped
X/3♦
only ♣ stopped - partner bids 3M if he has not ♦ stopped
3M/3♦
nat weak
3NT/3♦
only ♦ stopped (dangerous)

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