Opener
Pass
0-6
Don't even try
Preempt
6-11
6+ for non-vulnerable
9+ for vulnarable
Opening bid
12+
You can open with 11 points on 3rd/4th seat
balanced
1NT
15-17
Don't bid 1NT if you have singleton
Bid a suit
18-19
Bid one level suit
first then
bid 2NT
2NT
20-21
Don't bid 2NT if you have singleton
2C
22-24
Bid 2C
first then
bid 2NT
3NT
25+
Don't bid 3NT if you have singleton
Response
Staymen
8+
2C
Forcing
(asking for 4 card major)
2C>2H>3H
2C>2H>1NT
Transfer
0+
needs 5+ of a major suit
UN-balanced
12-21
Minor - 1C=2+C 1D=4+D Major - 1H=5+H 1S=5+S
re-bid - 1 level
12-15
1C >1H>1S
1C>1D>1NT
1H>1S>2H (6+H)
Raise 1C>1H (6+pnts 4+H)>2C/2H(4+H)
Lower Suit at 2 level 1D>1H>2C
re-bid - 2 level
17-21
Jump bid
1C>1H>3H 1C>1H>3C
1C>1H>2NT 1C>1H>2D
1H>1S>3H (6+H) 1H>1S>3C (5+C)
1H>1NT>2S (4+S) 1S>1NT>3H (5+H)
22+
Bid 2C - Promising 8.5 tricks - Forcing
Partner's point
0-8
2D (waiting)
2H (shows bad hand without AorK
Partner's point
9-14
2S/3H/3C/3D(5+)
2NT