ACBL Duplicate Laws
Chapter 1 -
- Adjusted Score
- An arbitrary score awarded by the Director (see
Law 12 ). It is either
1. An artificial adjusted score is one awarded in lieu of a result
because no result can be obtained or estimated for a particular deal
(e.g., when an irregularity prevents play of a deal).
2. An assigned adjusted score is awarded to one side, or to both sides,
to be the result of the deal in place of the result actually obtained
after an irregularity.
- A notification, whose form may be specified by a sponsoring
organization, to the effect that opponents may be in need of an
- 1. The process of determining the contract by means of successive
2. The aggregate of calls made (see Law 17E).
- An undertaking to win at least a specified number of odd tricks in a
- 1. A duplicate board as described in
Law 2 .
2. The four hands as originally dealt and placed in a duplicate board
for play during that session.
- Any bid, double, redouble or pass.
- In an individual event, a player; in a pair event, two players
playing as partners throughout the event; in a team event, four or more
players playing as teammates.
- The undertaking by declarer's side to win, at the denomination
named, the number of odd tricks specified in the final bid, whether
undoubled, doubled, or redoubled.
- 1. A call that, by partnership agreement, conveys a meaning other
than willingness to play in the denomination named (or in the last
denomination named), or high-card strength or length (three cards or
more) there. However, an agreement as to overall strength does not make
a call a convention.
2. Defender's play that serves to convey a meaning by agreement rather
- 1. The distribution of the pack to form the hands of the four
2. The cards so distributed considered as a unit, including the auction
and play thereof.
- The player who, for the side that makes the final bid, first bid the
denomination named in that bid. He becomes declarer when the opening
lead is faced (but see Law 54A when the opening lead is made out of turn).
- An opponent of (presumed) declarer.
- The suit or notrump specified in a bid.
- A person designated to supervise a duplicate bridge contest and to
apply these Laws.
- A call over an opponent's bid increasing the scoring value of
fulfilled or defeated contracts (see Law 19 and
- 1. Declarer's partner. He becomes dummy when the opening lead is
2. Declarer's partner's cards, once they are spread on the table after
the opening lead.
- A contest of one or more sessions.
- Follow Suit
- Play a card of the suit that has been led.
- 100 or more trick points scored on one deal.
- The cards originally dealt to a player, or the remaining portion
- Any Ace, King, Queen, Jack or 10.
- International Matchpoint (IMP)
- A unit of scoring awarded according to a schedule established in
Law 78B .
- A deviation from the correct procedures set forth in the Laws.
- The first card played to a trick.
- Left-hand opponent.
- A unit of scoring awarded to a contestant as a result of comparison
with one or more other scores.
- Odd Trick
- Each trick to be won by declarer's side in excess of six.
- Opening Lead
- The card led to the first trick.
- A player of the other side; a member of the partnership to which one
- Each trick won by declarer's side in excess of the contract.
- The 52 playing cards with which the game of Contract Bridge is
- The player with whom one plays as a side against the other two
- 90 or fewer trick points scored on one deal.
- A call specifying that a player does not, at that turn, elect to
bid, double or redouble.
- 1. The contribution of a card from one's hand to a trick, including
the first card, which is the lead.
2. The aggregate of plays made.
3. The period during which the cards are played.
4. The aggregate of the calls and plays on a board.
- Premium Points
- Any points earned other than trick points (see
- Psychic Call
- A deliberate and gross misstatement of honor strength or suit
- Adjustment made to permit the auction or play to proceed as normally
as possible after an irregularity has occurred.
- A call over an opponent's double, increasing the scoring value of
fulfilled or defeated contracts (see Law 19 and
- The play of a card of another suit by a player who is able to follow
suit or to comply with a lead penalty.
- Right-hand opponent.
- The clockwise order in which the deal and the right to call or play
- A part of a session played without progression of players.
- An extended period of play during which a number of boards,
specified by the sponsoring organization, is scheduled to be played.
- Two players who constitute a partnership against the other two
- A contract to win six odd tricks (called Small Slam) or to win seven
odd tricks (called Grand Slam).
- One of four groups of cards in the pack, each group comprising
thirteen cards and having a characteristic symbol: spades (),
hearts (), diamonds (),
- Two or more pairs playing in different directions at different
tables, but for a common score (applicable regulations may permit teams
of more than four members).
- The unit by which the outcome of the contract is determined,
regularly consisting of four cards, one contributed by each player in
rotation, beginning with the lead.
- Trick Points
- Points scored by declarer's side for fulfilling the contract (see
- Each card of the suit, if any, named in the contract.
- The correct time at which a player may call or play.
- Each trick by which declarer's side falls short of fulfilling the
contract (see Law 77).
- The conditions for assigning premiums and undertrick penalties (see Law 77).