Raise Only Non-Forcing


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RONF is a standard style of responding to an opening weak two bid. The responses are:

Bid Meaning
2NT Strong (15+ points), artificial, and forcing for one round. Opener is expected to bid his cheapest side suit containing an ace or king, if he has one. Otherwise, he rebids his suit.
Single raiseNatural signoff. The response from which RONF gets its name.
New suit Natural (5+ cards) and forcing for one round.


Examples

OpenerResponder
Q52SJT6
HKJ8732A65
D5A9742
CJ8793

Opener
2 (1)
Pass
Responder
3 (2)

  1. Weak two
  2. Non-forcing raise


OpenerResponder
AQT743SK85
H64AQ52
DT5J6
CK87AQ65

Opener
2 (1)
3 (3)
Pass
Responder
2NT (2)
4 (4)

  1. Weak two
  2. Artificial, forcing
  3. Showing a club 'feature', i.e. the king
  4. Bidding game with a good club fit

See also

  • Muiderberg Two Bids
    Weak 2H/S openers that show a 5-card major with a minor side suit.

  • Ogust
    A strong, conventional and forcing response to a weak two bid.

  • Rule of 2, 3 and 4
    A guideline for opening a weak two bid.

    Weak Jump Overcalls
    Preemptive jump overcalls designed to obstruct the opponents' bidding.

  • Weak Two Bids
    Opening bids of 2// to show a 6-card suit with a weak hand.

About

Bridgebum began in 1999 and covers a large set of descriptions of bidding conventions, declarer play and defense, and more.

Latest Update

Meckwell Defense to 1NT
A defensive bidding structure for use against both weak and strong 1NT opening bids.

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