tournaments

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    otheruses ----A tournament is an organized competition in which many participants play each other in individual games. After each game, each participant is either dropped from the tournament, or advances to play a new opponent in the next "round." Usually, all the rounds of the tournament lead up to the "finals", in which the only remaining participants play, and the winner of the finals is the winner of the entire tournament.A tournament is suitable for any competition in which two opponents (or two teams) face each other, such as football (soccer), tennis, ping-pong, basketball, debate, fencing, boxing, wrestling, contract bridge, Board gameboard gaming, card gamecard gaming. Tournaments are popular for these competitions because they allow very large numbers of players to compete against each other, even though each particular game played is a competition between only two sides.There are several popular tournament varieties. In the following examples, the term "player" is used, but the term "team" could of course be substituted if a team sport is being played. Likewise, some tournaments use a "game" for a single round, but some use a "match" which is best 2 games of 3, best 3 games of 5, or whatever is appropriate.Some game clubs focus on preparing members for tournaments. Chess clubs, for instance, frequently employ similar ranking systems, chess clocks, and etiquette as those used in tournaments to prepare players for the atmosphere they will encounter.

    Single-elimination - Single-elimination tournamentSingle-elimination tournaments are considered rather cutthroat. The loser of each game is dropped from the tournament. The winners move on to the next round. This continues until only two players are left, in which they play the round called the "finals", and the winner of this game is the winner of the entire tournament.

    Double-elimination - Double-elimination tournamentDouble-elimination tournaments are less cutthroat than single-elimination tournaments, as a player is allowed to lose one game without being dropped from the tournament. The winners of the first round move on to play each other in the "winners' bracket" in the second round; the losers of the first round move on to the "losers' bracket" and play each other in the second round. In each subsequent round, those players in the "losers' bracket" who lose a game are dropped from the tournament, whereas those who win get to advance to the next round in the losers' bracket. Those players in the "winners' bracket" who win advance to the next round in the winners' bracket, and the losers drop down into the losers' bracket, to face opponents in that bracket. This continues until the finals, in which the winner of the winners' bracket, who is undefeated, faces the winner of the losers' bracket, who has lost one game so far. If the undefeated player loses this finals match, the match is repeated with the same two players to determine the winner once and for all, as a player is not dropped from a double-elimination tournament unless s/he has lost twice. Sometimes, however, the second final-round match is not played, meaning that the player entering the finals undefeated can indeed lose only once and not win the tournament.One notable event that uses a double-elimination tournament is the College World Series, the NCAA baseball championship in the United States. In Division I, the highest level, the tournament proceeds in double-elimination format until only two teams are left with fewer than two losses; the remaining teams then play a best-of-three series for the title.

    Swiss style tournaments - Swiss system tournamentSwiss style tournaments seem more inclusive than single- and double-elimination tournaments, in that no player is ever forced to drop from the tournament. After each round, all players are matched up against other players with the same win-loss record. So in the fifth round of play, all the 4-0 players compete against each other, all the 3-1 players compete against each other, etc., down to the players who are all 0-4, playing against each other. Generally the tournament continues until there is only one undefeated player, or sometimes for one or two rounds beyond that, in order to ensure that players who have previously lost a round (or two) could still win the tournament. (For fairness' sake, the number of rounds must be announced after the number of entrants is known but before the tournament begins.)If the number of players is large, Swiss-style tournaments are easy for tournament organizers to run because there is less need to fill in slots of a bracket with "byes" (see below). A maximum of one bye is needed per round of a Swiss tournament, and that is only needed if there is an odd number of players competing in that round.In some Swiss tournaments, the tournament continues for a certain number of rounds, at which point the main tournament ends and the top 8 players continue on to play an 8-player single- or double-elimination playoff tournament for the victory.At a certain point in a Swiss-style tournament, it becomes obvious to players when they have been mathematically eliminated from being able to win or place high, but they can continue playing if they choose -- perhaps to boost their ELO rating systemrating, if the tournament organizer reports player ratings to the sport's ratings authority.A common variant of the Swiss-style tournament is known as the round-robin tournament.

    Brackets and initial matchups - Often a "bracket (tournament)bracket" is physically drawn on a sheet of paper or whiteboard for the benefit of spectators and players, especially in single- and double-elimination tournaments, showing who is playing whom, and making it easy to see who will be matched up in future rounds depending on who wins each game.The easiest way for a tournament organizer to match up participants in the first round of a tournament is to do so randomly. However, a more satisfactory tournament (for spectators) can often be created by initially matching the best (or "top seeded") several players against players who are not in the "best" rank, and placing these players in the bracket such that it is probable that the best four players will end up playing each other in the semifinals.

    Byes - By looking at a single-elimination bracket it quickly becomes clear that tournaments are easy to run only if they have a number of players which is a power of 2: i.e. 8, 16, 32, 64, 128, 256, etc. Having this exact number of players ensures that in each round, all players have somebody to compete against. In tournaments open to the general public, it is unlikely that this exact number of players will enroll, and in any case players may decide to voluntarily drop from the tournament at any point, so "byes" are used to fill holes in the bracket.A player gets a bye when there is simply no opponent for him to play that round. Getting a bye is considered fortunate for a player; he is guaranteed to advance to the next round. Sometimes many byes are granted in a particular round because of holes in the bracket. The aim of the byes is to have the number of players be equal to a power of 2 in the next round, or possibly the round after that. For example, in this bracket diagram, suppose that Bert, Red, and Robert had never entered the tournament, resulting in a 13-player tournament. One way of getting the number of players to a power of 2 as quickly as possible would be to match up all the players as shown in the first round, with Zaphod getting a first-round bye and advancing to the second round without having to play. In the second round, there are 7 players remaining; Monica receives a bye. Lisa, Ernie, Andrew, and Monica advance to the third round and now the number of players is a power of 2. The tournament can progress with no more byes.In some tournaments, such as the playoffs of the National Football LeagueNFL, byes are prizes to be earned by teams who do well in previous games that took place before the tournament. These teams get to skip the first round or two of the tournament, ensuring they can't be knocked out in an early upset.

    Tiebreakers - Sometimes a "tiebreaker" statistic is needed to separate players who have the same win-loss record, particularly for the purpose of awarding prizes to the top players. For example, after five rounds of play in a Swiss-style tournament, 4th through 7th places are often taken by players who all have a 3-2 record. Often-used tiebreakers are score averages in the individual games played so far in the tournament, opponents' winning percentages, the total number of points scored by the player in the tournament, the total number of points scored by all the player's opponents in the tournament, and so forth. (The inability to boost one's tiebreaker statistics is considered the only disadvantage of receiving a bye in a previous round.)

    Poker - ''Main article: Poker tournament''Tournament poker operates under a different, and unique, system. Players compete against each other in limited groups, usually of eight to ten players per table. Hands are dealt, and a player remains in the event until all poker chipchips a player begins with are gone. Placement in these events are based upon order of exit, with ties (caused only by multiple players going all-in in either one hand at a single table or multiple hands in a hand-for-hand situation) broken by chips remaining prior to the hand in which a player is eliminated. As players are eliminated, tables consolidate. Players from the table with the least players remaining are distributed amongst tables with more players. This reduces the potential advantage gained by playing against the same people for long periods of time, and also reduces the number of forced wagers a given player needs post. To accelerate game play, Betting (poker)#Blindsblinds, Betting (poker)#Bring-insbring-ins, and Betting (poker)#Antesantes as appropriate per game increase incrementally as the tournament wears on. This also affects play strategy; a player who has sufficient chips to play aggressively early in a tournament may not be able to play the same way with the same number of chips later in the event. Category:Tournament !systemsfr:Tournoinl:Toernooija :トーナメント方式sl:Tu rnirski? razporeditveni sistemi DEBUG REDIRECT (tournament)

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    Information about bowls and bowling in the UK
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    A Lynnwood, WA LAN Center with 20 PCs and 8 Xbox's all connected to a T1 line. Regular Halo, Halo2, CS and SSBM tournaments, as well as All Nigth LAN Parties!
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    Wake County Volleyball Club
    The Wake County Volleyball Club (WCVC) promotes volleyball in the Raleigh North Carolina region with grass doubles outdoor tournaments and practice facilities for USAV Carolina Region volleyball teams.
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    The Knighthood, Chivalry & Tournaments Resource Library
    Historical documents, articles, reviews and essays on knighthood as it applies to modern re-enactors and chivalric societies.
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    Golfweb
    PGA tour's official site. Tournament scores, statistics, and biographies. Course directory and reviews, travel, and instruction sections.
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    The Tournament Source
    Information regarding tournaments across the country and around the world.
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    Field Hockey Tournament
    International resources gathered by the Field Hockey Foundation; features tournament submission form, schedules and results, guestbook and links.
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    Wrestling Tournaments
    Nation wide wrestling tournament information.
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    Event schedule, registration, teams listing, directions, current standings and current events.
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