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The first Laws of Duplicate Contract Bridge were published in 1928. [1] They were revised in 1933, 1935, 1943, 1949, 1963, 1975, 1987, 1997, 2007 and 2017. [ 2 ] The Laws are effective worldwide for all duplicate bridge tournaments sponsored by WBF, zonal, national and subordinate organizations (which includes most bridge clubs).
Note 1: Using American Contract Bridge League (ACBL) methods, scoring is one point for each pair beaten, and one-half point for each pair tied. Note 2: The rule of two matchpoints for each pair beaten is easy to apply in practice: if the board is played n times, the top result achieves 2n−2 matchpoints, the next 2n−4, down to zero. When ...
A bid of 1 ♥ or 1 ♠ shows at least 4 or 5 cards in the major suit, and 1 ♣ or 1 ♦ shows at least 3 or 4 cards in the minor suit. The complete hand usually contains about (11)12-20(22) high card points. As between two major suits or between two minor suits, the bidder opens in the longer suit; with equal lengths, the higher ranking suit ...
If the N-S diamonds were divided 4-2 instead of 5-1, with clubs consequently divided 3-3, the available total tricks would be only 8 for N-S + 8 for E-W = 16; If, on the other hand, the E-W spades were divided 3-1 instead of 2-2 (with appropriate minor-suit rearrangement), they could make 2 ♥, while N-S could still make 4 ♠, giving 18 total ...
The most relevant change is Law 16C2 [4] (Law 16D2 in the 2007 Laws Of Duplicate Bridge [5]), which defines information gained from either side's legal withdrawal of a card as unauthorized for the offending side. (Note: although the revoking side may correct its revoke, a revoke has nevertheless occurred and therefore there is an "offending ...
In contract bridge, Bergen raises are conventional treatments of responses to a major suit opening in a five-card major system. [1] Developed by Marty Bergen and first published in April 1982, [2] Bergen raises are based on the Law of total tricks, a hand evaluation concept which states that with a combined nine trumps in the partnership one should compete to at least the three-level ...
On Decoding Retirement, Michael Finke discusses the differences between the 4% rule, the four-box method, and Social Security/RMD withdrawal for retirement. Retirement spending: A comparison of 3 ...
The rule can be generalized for all notrump contracts as follows: In a notrump contract, subtract from 'n' the total number of cards that declarer and dummy hold in the defenders' suit and duck their lead of the suit that many times; 'n' is equal to four plus the level of the contract.