This is usually the last part of the card I fill out with a new partner. It requires lots of work.
The range should be 15-17 - that's the easy part. (In the old days, when opening bids were sounder, 16-18 or even 15 - 18 was in fashion.) Also, I advocate 1NT with a 5-card major and a balanced hand in that range (some teachers espouse otherwise).
Keeping it simple, here are the main issues to discuss:
- What kind