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Precision

Precision, also known as Precision Club Precision Club is a bidding system in the game of contract bridge. It is a strong club system invented by C. C. Wei assisted by Alan Truscott and first used by Taiwan teams in the late 1960s.

The central feature of the Precision system is that an opening bid of one club is used for any hand with 16 or more high card points (HCPs), regardless of distribution. An opening bid of one of a major suit signifies a five-card suit and 11-15 HCPs. A one notrump opening bid signifies a balanced hand (no five-card major suit) and 13-15 HCPs.

The mail opening sequences are:
  • 1♣: Conventional, 16+
    • Responses:
    • 1: negative, 0-7. If playing the "impossible negative", any 4-4-4-1; this will be followed by a strong rebid.
    • 1, 1♠, 2♣ 2: 8+, 5-card suit
    • 1NT: 8-10, balanced
    • 2, 2♠: 4-7, 6-card suit
    • 2NT: 11-13 or 16+, balanced
    • 3♣, 3, 3, 3♠: 4-7, 7-card suit
    • 3NT: 14-15, balanced
  • 1: 11-15, no 5 card major or 6 card club suit. Sometimes a 3 card suit; some partnerships will open on a 2 card suit with shapes such as 3-3-2-5.
  • 1, 1♠: 11-15, 5-card suit
  • 1NT: 13-15, balanced
  • 2♣: 11-15, 6-card suit or a 5-card suit with a 4-card major
  • 2: Conventional (Mini-Roman), 11-15, 3-suited hand with singleton or void in diamond
  • 2, 2♠: Weak two bid, 8-10, good 6-card suit
  • 2NT: 22-24, balanced
  • 3♣, 3, 3, 3♠: normal preempts
  • 3NT: Conventional (Gambling), solid 7-card minor suit leading with AKQ, no outside strength
For a more complete description of this bidding system, CLICK HERE.

SOURCE: Wikipedia contributors. "Precision Club." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 30 Jul. 2013. Web. 12 Sep. 2013.