opening bid shows any 4-4-4-1 or 5-4-4-0 distribution with 17-20 HCP. Responder is expected to bid his best (longest) suit; with little preference, he bids 2
. With a hand interested in playing a game (or slam) contract, responder can bid 2NT, artificial. This artificial 2NT response is on in competition.
After hearing a simple suit response, opener bids the next-highest suit if responder happened to bid his short suit. Responder is then expected to correct, if necessary, to a better fit.
After hearing a 2NT artificial response, opener bids his singleton/void suit at the three-level. Responder's rebids are natural.
opening bid showing 4-4 or longer in hearts and spades.
opening bid showing 4-3 or 4-4 in the majors.
opening bid showing 5-4 in hearts and spades with minimum strength
opening bid showing either a major suit preempt or a strong 4441 hand.
opening bid from the Precision bidding system, showing a 3-suited hand with minimum strength.
opening bid shows 11-16 points with 4-4-4-1 or 5-4-4-0 distribution.
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