Link Search Menu Expand Document

2♣ Opening

  1. 23+ (semi)bal
  2. 21+ unbal
  3. 9+ M tricks
  4. 9.5+ m tricks

Your hand’s quick tricks should outnumber its losers
The QQ test - do you want to be in game if partner has two queens and nothing else?
21-22 4441 w/singleton minor A/K/Q - 2NT common
Other 4441 up to 22 thru 1m
5♣ 5♦ thru 1♦ up to 22
6♣ 4x thru 1♣ up to 22


2♦
1+ control or 5+HCP (Q+QJ)
2♥
Immediate second negative
2♠
ART, 6+♥ headed by at least AK/AQ/KQ/AJT
2NT
ART, 6+♠ headed by at least AK/AQ/KQ/AJT
3m
nat, 6+m headed by at least AK/AQ/KQ/AJT

w/7+suit or a strong hand, the requirements for the suit quality are slightly lowered

2♣-2♦
2♥
Birtright, 25-26 (semi)bal/unbal ♥, mostly bid 2♠, possible to bid good 6+ suit (2NT = 6♠)
2♠
nat, unbal
2NT
22.5-24 (semi)bal
3♣
nat
3♦
nat w/o 4+M
3M
4M 5+♦
3NT
long minor w/stoppers outside
4M
distributional, exactly 4LTC
2♣-2♦-2♥-2♠ (Kokish relay)
2NT
25-26 (semi)bal
3♣
5♥ and 4♠
3♦
5♥ and 5♠
3♥
5♥ and 4+♣
3♠
5♥ and 4+♦
3NT
6322
4x
6+♥ w/shortness (4♥ = ♠ shortness)
2♣-2♦-2♠
2NT
waiting
3m
nat, good 6+suit, not biddable in 1st round
3♠
xxx or Hx in ♠ and 2+ controls
4♠
♠Hxxx, at most J outside
2♣-2♦-2♠-2NT
3♣
5♠ and 4♥
3♦
5♠ and 4+♦
3♥
5♠ and 4+♣
3♠
6♠
3NT
6322 w/preference for NT (solid suit, few controls)
4m or 4♥
6♠, void
2♣-2♦-2♠-2NT-3♠
3NT
to play
4m
control, 2+ controls, at most xx or H in ♠
4♠
support, 0-1 controls
2♣-2♦-3♣
3♦
ART, ASK for 4M
3M
nat, 5+suit
3NT
to play
4♣
nat
4♦
Kickback
2♣-2♦-3♦
3M
nat, 5+suit
3NT
to play
4♣
S/T w/♣ control
4♦
S/T w/o ♣ control

Continuation after 2-suiters:

General guideline:

new suit 3rd lvl
nat 5+suit
3NT
to play

When opener shows Major two-suiter

It’s easy:

2♣-2♦-2♥-2♠-3♣ (5♥ 4♠)
3M
support, extras (Hx is usually enough for partner’s 5-suit)
4M
preference, w/o extras, don’t want to be in 3NT
2♣-2♦-2♥-2♠-3♦ (5♥ 5♠)
3M
support, extras (Hx is usually enough)
4M
preference, w/o extras, don’t want to be in 3NT
2♣-2♦-2♠-2NT-3♣ (5♠ 4♥)
3M
support (Hx is usually enough for partner’s 5-suit)
4M
preference, w/o extras, don’t want to be in 3NT

When opener shows ♥-minor two-suiter

2♣-2♦-2♥-2♠-3♥ (5♥ 4+♣)
4♣
nat
4♦
S/T for ♥
4♥
support w/o significant extras
4♠
Kickback for ♥
5♣
support w/o significant extras
2♣-2♦-2♥-2♠-3♠ (5♥ 4+♦)
4♣
S/T for ♥
4♦
nat
4♥
support w/o significant extras
4♠
Kickback for ♥
5♦
support w/o significant extras

 

After ♠-minor two-suiter

Simply support ♠ on 3rd lvl, bids on 4th lvl show support for the minor.

2♣-2♦-2♠-2NT-3♦ (5♠ 4+♦)
3♠
support (Hx is mostly enough)
4♣
♦ support w/♣ control
4♦
nat, w/o ♣ control
4♥
Kickback for ♦
4♠
to play, w/o extras
4NT
♦ support, ♥ control
2♣-2♦-2♠-2NT-3♥ (5♠ 4+♣)
3♠
support (Hx is mostly enough)
4♣
nat
4♦
Kickback for ♣
4♥
♣ support, control-bid
4♠
to play, w/o extras
4NT
♣ support, ♦control-bid

Other responses

2♣-2♥

3M
GF, 5M 5m
4♣
GF, 5♣ 5♦
4♦
GF, 5♥ 5♠

2♣-2♠ and 2♣-2NT

3m
good suit
3M
support, now serious/non-serious

2♣-2♠

2NT
waiting
4♠
to play

After interference

2♣-(X)
XX
to play, promising 6+♣
rest
system ON
2♣-(2♥+ overcall) (System on after 2♣-(2♦))
pass
GF
X
double negative
2NT
54+ minors, double negative
suit 2nd lvl
nat, 5+suit
Suit 3rd lvl
nat, 6+suit
cue
nat, something like KQxxxx (opp psyching)
2♣-(p)-2♦-(overcall)
pass
forcing, PEN or 55+ or bal w/o stopper
X
T/o but can’t have 55+
suit
nat 5+ one-suiter
NT
bal w/stopper
cue
nat 5+suit, opp psyching
2♣-(p)-2♦-(X)
XX
T/o w/o diamonds
suit
nat 5+ w/system on by both but 2♣-2♦-X-2♥-2♠ as nat 5+ and 2NT after 2♥ as ask with inverted Kokish
2NT
22.5-24 bal
3♦
25+ bal