The most common game variants of contract bridge are rubber bridge and duplicate bridge ; each has many further variants.

While rubber bridge is played competitively and for stakes, it is most often played socially and with less formality than duplicate bridge.

In duplicate bridge, the cards held by each player in each deal are preserved so that each partnership plays the same set of hands as their East-West or North-South counterparts at other tables and with the scoring based upon relative performance, thus emphasizing skill over chance.

While duplicate is the primary form of higher levels of competitive bridge, it is also played socially.

If all four players pass in the first round, the deal is not played ; in rubber bridge the deal is not scored and the hand is redealt by the original dealer, while in duplicate the score is recorded as zero for each pair and returned to the board.

* Scoring and tactics in duplicate bridge

* Tournament director in duplicate bridge

When playing the song live Hopwood often used a Rickenbacker guitar with a rag under the bridge to duplicate the sound, which can be seen clearly in old performance clips.

She also was a Senior Life Master duplicate bridge player and died in 2008.

The duplicate bridge was opened in May 2010.

A public open day for the duplicate bridge was held on 16 May and the new bridge was opened to traffic on 22 May 2010, six months ahead of schedule.

The duplicate bridge was completed in May 2010 along with the remaining lanes of the Gateway Motorway deviation.

** Clockhouse Bridge Club meets on Tuesday and Thursday evenings for duplicate bridge

* Howell is the name of a table movement system often used in duplicate bridge

* Mitchell movement, a type of duplicate bridge table movement

Over half of public opinion had mostly favored a duplicate of the first bridge, while the cable-stayed bridge came in second with around 21 %.

The Blue Water Bridge Authority had rejected both designs, due to the duplicate creating a false sense of history, while the cable-stayed option was feared to overshadow the existing bridge.

* Board ( bridge ), a device used in playing duplicate bridge

If your side has two aces and a void, then you are not at risk of losing the first two tricks, so long as ( a ) your void is useful ( i. e., does not duplicate the function of an ace that your side holds ) and ( b ) you are not vulnerable to the loss of the first two tricks in the fourth suit ( because, for instance, one of the partnership hands holds a singleton in that suit or the protected king, giving your side second round control ).

Both the sudden rift between Medusa and Black Bolt apparent in Silent War and Black Bolt's later defeat at the hands of Hulk in World War Hulk could be attributed to this development, for it is uncertain just when Black Bolt might have been replaced by his Skrull duplicate.

The unique tournament featured four duplicate style sessions of 500 hands each.

The tournament had six duplicate sessions of 500 hands each, and the human players were Heads-Up Limit specialists.

It is called duplicate because the same bridge deal ( i. e. the specific arrangement of the 52 cards into the four hands ) is played at each table and scoring is based on relative performance.

In duplicate bridge, a board is an item of equipment that holds one deal, or one deck of 52 cards distributed in four hands of 13 cards each.

ACBL games and tournaments use the duplicate bridge method of scoring, where the luck of getting a series of good hands doesn't necessarily mean a better score.

Also included are synonyms, which are now discarded duplicate or incorrect namings, or in the case of the domestic dog synonyms, old taxa referring to subspecies of domestic dog which, when the dog was declared a subspecies itself, had nowhere else to go.

It is important to note that duplicate states are not added to the state set, only new ones.

For example, the instructions involved in updating financial records are very different from those required to duplicate conditions on an aircraft for pilots training in a flight simulator.

Because political science is essentially a study of human behavior, in all aspects of politics, observations in controlled environments are often challenging to reproduce or duplicate, though experimental methods are increasingly common ( see experimental political science ).

It is disconcerting, for example, that in Expanded Universe Heinlein calls for a society where all lawyers and politicians are women, essentially on the grounds that they possess a mysterious feminine practicality that men cannot duplicate.

Cost synergies are realized by eliminating positions that are viewed as duplicate within the merged entity.

For this reason, duplicate registration names are generally rejected.

The map and counters are presented to the user who can then manipulate these, more-or-less as if he were playing the physical game, and send a saved file off to his opponent, who can review what has been done without having to duplicate everything on his physical set-up of the game, and respond.

In common with other animation techniques, the stop motion animation in Wallace and Gromit may duplicate frames if there is little motion, and in action scenes sometimes multiple exposures per frame are used to produce a faux motion blur.

There are some inconsistencies in the WAV format: for example, 8-bit data is unsigned while 16-bit data is signed, and many chunks duplicate information found in other chunks.

Other examples of fishing terms that carry a negative connotation are: " fishing for compliments ", " to be fooled hook, line and sinker " ( to be fooled beyond merely " taking the bait "), and the internet scam of Phishing in which a third party will duplicate a website where the user would put sensitive information ( such as bank codes ).

Note: Routing tables are constructed with no duplicate numbers, so that direct dial service can be provided to all network subscribers.

However, they are not IP addresses and may duplicate, without conflict, any IPv4 address.

The extent to which the duplicate and Jean are separate entities depends on who is writing the character ( s ) at the time, some instances portraying them as inherently separate, while others demonstrate a shared consciousness.

The two characters are close friends throughout the series, but their relationship does not resume until Star Trek: Insurrection, the third Star Trek film set in the Next Generation era, although Thomas Riker, the duplicate created by a transporter malfunction, attempts to respark their relationship in " Second Chances ".

They are generally arranged so that the sending address printed on the letter is visible, saving the sender from having to duplicate the address on the envelope itself.

Most often, tests are done in duplicate or triplicate.