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CARIOCA CLUB Examining the distribution possililities, the following may be seen: Balanced Hands (one 4 card suit, at least):
3 Suit Hands ( three 4 card suits or one 5 card suit and two 4 card suits):
2 Suit Hands (one 5 card suit, at least. The 2nd suit may be a 4 or 5 card suit):
1 Suit Hands (one 6 card suit, at least):
One can see that: - balanced hands have a 4 card suit, except for 5-3-3-2; - 2 suit hands have a 5, 6, or 7 card suit. The 2nd suit has 4 or 5 cards; - 1suit hands have at least a 6 card suit A second suit with 4 cards may exist; - 3 suit hands are playable with a fit in any of the 3 suits, or in no trump when the lacking suit is good in partner's hand. Shape and high card values of a hand determine the kind of bids to describe it quickly and accurately. It is desirable that an opening bid makes a very accurate description of the hand whenever possible. Opening bids may be natural or artificial, weak or strong, exact or ambiguous. Partner's answer must meet the requirements each opening asks. Exact openings put partner in the role of the captain, strong openings are concerned primarily with the contract level, weak openings are trying, and a very weak opening asks for a raise. In this system, the opening bid is very low for strong hands (granting good bidding space with small probability of an opponent's bid), and higher bids with weak hands (stealing bidding space from the opponents and running risks that are useful most of the times). Only 1 NT, 1 Points are divided into brackets, and its combinations with partnership give a very definite idea of the final contractl:
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1
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and 2