Precision
This system was devised by C.C.Wei in 1963 with help from Alan Truscott.The main features of the system are:
- Strong 1
with a lot of conventional responses; - 5-Card Majors with 1NT Forcing response;
- Weak NT;
- Natural Two Club Opening;
- 2
opening shows 4-4-1-4 or 4-4-0-5
distribution with the shortage in diamonds; - 2
and 2
are Weak Two Bids; - Gambling 3NT;
- 4 and 4 are Namyats.