Precision
The Precision system was developed by C.C. Wei.
Over the years it has been enhanced and ....
Precision employs a strong Club - an opening of 1C implies 16 or more point.
All other openings (except 2NT) are limited to 15 points.
The basic scheme of opening bids is as follows:
1 Club - 16 or more points;
Details
1 Diamond - 12-15 points, at least 2 diamonds; this is a "catchall" bid;
Details
1 Heart, 1 Spade - 12-15 points, 5 or more cards in suit;
Details
1 No Trump - 14-16 points, balanced, may have a 5 card minor
Details
2 Clubs - 11-15 points, 5 card clubs and a 4 card major, or 6 card clubs;
Details
2 Diamonds - 11-14 points, 3-suited hand; Details
2 Hearts, 2 Spades - 5-10 points, 6 card suit
Details
2 No Trump - 20-21 points, balanced; may have a 5 card suit;
Details
3 Clubs, 3 Diamonds - Weak, 7 card suit; Details
3 Hearts, 3 Spades - Weak, 7 card suit; Details
3 No Trump - Minor Namyats; Details
4 Clubs, 4 Diamonds - Major Namyats; Details
4 Hearts, 4 Spades - 7 card suit, limited to 7 tricks;
Details
4 No Trump - Blackwood
5 Clubs, 5 Diamonds - Preempt
5 Hearts, 5 Spades - Partner to bid 7 with 2 of top 3 honours or bid 6 with 1
Precision ·
One Club ·
One Diamond ·
One Major ·
One No Trump ·
Two Clubs ·
Two Diamonds ·
Two No Trump ·
Major preempts ·
Minor preempts ·
Asking bids ·
We compete ·
They compete ·
Slam Conventions ·
Miscellaneous conventions
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