Opening Bids
1C natural
1NT 12-14 at all vulnerabilities and all positions
2C Acol (which traditionally means 23+ or 16+ with 9 playing tricks)
2D weak 5-9
2H weak 5-9
2S weak 5-9
2NT 20-22
Responses to 1 NT
2C Stayman
2D Transfer to Hearts
2H Transfer to Spades
2S 2-way Baron (see modern Acol) TBD
2NT minor suit transfer (see modern Acol) TBD
Similarly over 2NT, except 3NT is a limit raise.
Double is for takeout at all levels below game when partner has not bid or doubled.
Leads
Top of all honour sequences and internal honour sequences
Lowest from 3 or 4 to an honour
Second highest from rubbish
Signals
High-low means even number or encouragement
Low-high means odd number or discouragement
Suit preference: mcKenney