These two-bids were conceived by Mr. Hugh Kelsey and Mr. Tom Culbertson. The essence of the concept is: 2 Hearts and 2 Diamonds are Multi openings, which become clear after a series of relay responses. See the following chart for the general partnership understanding, which has been varied over the years:
Opener Responder Meaning 2 The meaning is yet to be determined. 2 Relay or cheapest bid. 2 NT Shows 21-22 high card points and balanced holding. 3 Shows normally 5-5 in Hearts and Clubs. 3 Shows normally 5-5 in Hearts and Diamonds. 3 This rebid by the opener and all higher rebids are considered Acol Two bids showing Hearts. 2 The meaning is yet to be determined. 2 NT Relay or cheapest bid. 3 Shows Spades and Clubs, 5-5 distribution, and 6-10 high card points. 3 Shows Spades and Diamonds, 5-5 distribution, and 6-10 high card points. 3 Shows Spades and Hearts, 5-5 distribution, and 6-10 high card points. 3 This rebid by the opener and all higher rebids are considered Acol Two bids.
Some partnerships have the understanding that an opening also of 2 Hearts is understood to show also a 5-card Heart suit and an unnamed (not unspecified) 5-card Minor suit, an unbalanced holding, and only 6 to 10 high card points as with the 2 Spades opening. This is by partnership agreement.
It is also possible that a 2 Diamonds opening could be Roman Two Diamonds showing a strong three-suiter, but this is by partnership agreement.
If you wish to include this feature, or any other feature, of the game of bridge in your partnership agreement, then please make certain that the concept is understood by both partners. Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. Check with the governing body and/or the bridge district and/or the bridge unit prior to the game to establish the guidelines applied. Please include the particular feature on your convention card in order that your opponents are also aware of this feature during the bidding process, since this information must be made known to them according to the Laws of Duplicate Contract Bridge. We do not always include the procedure regarding Alerts and/or Announcements, since these regulations are changed and revised during time by the governing body. It is our intention only to present the information as concisely and as accurately as possible.
Claus and Raymond
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