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.

In duplicate bridge, the hands are shuffled and dealt only once, at the beginning of the session.

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

Other games, such as the Kriegspiel chess-variant, playing pieces are hidden from the opponent by tracking them on paper or by using a duplicate, hidden game board.

When bridge is played online, there are no physical boards, nor physical cards, but the software emulates all of the features of duplicate boards and the unit of the game is commonly called a board.

On 15 January and 17 March 1880 duplicate tests were conducted at Sandy Hook proving ground in front of an Army review board.

Stryker and his team are asked to board Skywatch by Weatherman One Henry Bendix and search out an alien who can duplicate people down to a genetic level.

In working out the practical legal conclusions President Waters was not thinking only of this pilot project, for it is planned to duplicate this program or system in other builder developments nationally.

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 ).

An enraged Baron is left with no choice but to order a duplicate from the Bene Tleilax: the Mentat De Vries featured in Herbert's original novel Dune.

Data redundancy is an issue with the file processing system because the independent data files produce duplicate data so when updates were needed each separate file would need to be updated.

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

Financial management is duplicate with the financial function of the Accounting profession.

When storing records in a large unsorted file, one may use a hash function to map each record to an index into a table T, and collect in each bucket T a list of the numbers of all records with the same hash value i. Once the table is complete, any two duplicate records will end up in the same bucket.

The Phoenix Force, the sum of all life in the universe, is moved by Jean's dedication and love and takes the form of a duplicate body to house Jean's psyche.

The darning needle is used in duplicate stitch ( also known as Swiss darning ), while the crochet hook is also essential for repairing dropped stitches and some specialty stitches such as tufting.

For example, it is likely that even if the Library of Alexandria had hundreds of thousands of scrolls ( and thus perhaps tens of thousands of individual works ), some of these would have been duplicate copies or alternate versions of the same texts.

In a LALR parser the state sequence cannot be resolved because the parser encounters a duplicate rule, which is an error.

After development, the emulsion shows a reverse of the negative image, which is thus a duplicate of the original ( positive ) image.

They discovered that the real Lex Luthor is at large having been the one who mailed Lois the Red Kryptonite necklace and that the one in jail was a robotic duplicate.

When ordered by temperature and when duplicate classes were removed, the spectral types of stars followed, in order of decreasing temperature with colors ranging from blue to red, the sequence O, B, A, F, G, K and M. ( A popular mnemonic for memorizing this sequence of stellar classes is " Oh Be A Fine Girl / Guy, Kiss Me ".

Beat creation is simplified, and groove templates can be used to duplicate another track's rhythmic feel.

Processing of raw product is mostly accomplished by highly automated machines that accurately duplicate traditional manual processing steps, but with much improved efficiency and consistency.

The fraudulent equipment would then be removed and the data used to produce duplicate cards that could then be used to make ATM withdrawals from the victims ' accounts.

In each contest, he would also try to create one dish that an ordinary person could duplicate without specialized equipment or knowledge.

The company made major investments in what were called sound rooms to demonstrate hi-fi equipment, using custom switch panels and acoustic treatments in an attempt to duplicate a home listening environment and offer fair comparison with an assortment of branded hi-fi gear.

With the proper equipment, it's possible to intercept the re-connect signal and encode the data it contains into a ' blank ' phone — in all respects, the ' blank ' is then an exact duplicate of the real phone and any calls made on the ' clone ' will be charged to the original account.

The vantage point from which the original photographer took the view may have disappeared over the years, so the rephotographer has to choose an original view for which the vantage point is still accessible, or arrange to rent equipment to duplicate the original position of the camera.

To make forgery more difficult, most modern IDs contain numerous security features that require specialised and expensive equipment to duplicate.

A solemn celebration of the funerals of the two Dukes, called a ' Month's Mind ', was held on 22 September 1551 with all the funeral equipment in duplicate.