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77-565: Originally awarded to Primera División champions, the trophy is the oldest in Argentine football , having been awarded for the first time in 1896, three years after the Argentine Football Association was established, and played without interruption until 1926. The Cup received several names, such as "Championship Cup", "Copa Campeonato", "Challenge Cup" and "Copa Alumni", due to the association offered legendary team Alumni to keep

154-463: A bye . The schedule can therefore be computed as though the dummy were an ordinary player, either fixed or rotating. Instead of rotating one position, any number relatively prime to ( n − 1 ) {\displaystyle (n-1)} will generate a complete schedule. The upper and lower rows can indicate home/away in sports, white/black in chess , etc.; to ensure fairness, this must alternate between rounds since competitor 1

231-464: A Primera División official title (2012–13 season), therefore Vélez Sarsfield was awarded its 10th official championship after defeating Newell's . Nevertheless, from the 2014 edition it was determined that the Superfinal would not be considered as a Primera División title but an official cup. Due to this the 2015 and 2016 seasons were played as single tournaments with only one champion per season,

308-464: A bye. If the number is even, an added player (ω) becomes the opponent. For an even number n {\displaystyle n} or an odd number n − 1 {\displaystyle n-1} of competitors, Schurig builds a table with n / 2 {\displaystyle n/2} vertical rows and n − 1 {\displaystyle n-1} horizontal rows. Then he populates it starting from

385-485: A certain number of wins or losses. The term round-robin is derived from the French term ruban ('ribbon'). Over time, the term became idiomized to robin . In a single round-robin schedule, each participant plays every other participant once. If each participant plays all others twice, this is frequently called a double round-robin . The term is rarely used when all participants play one another more than twice, and

462-411: A competitor to play the strongest opponents in a round robin in quick succession while others play them intermittently with weaker opposition. This asymmetry means that playing the same opponents is not necessarily completely equitable. There is also no scheduled showcase final match unless (by coincidence) two competitors meet in the last match of the tournament, with the result of that match determining

539-477: A competitor's chance of ultimate victory. Final records of participants are more accurate, in the sense that they represent the results over a longer period against the same opposition. The system is also better for ranking all participants, not just determining the winner. This is helpful to determine the final rank of all competitors, from strongest to weakest, for purposes of qualification for another stage or competition as well as for prize money. In team sports,

616-484: A lower-placed qualifier is perceived to be easier than for a higher-placed one). Four pairs in the 2012 Olympics Women's doubles badminton , having qualified for the next round, were ejected from the competition for attempting to lose in the round robin stage to avoid compatriots and better ranked opponents. The round robin stage at the Olympics was a new introduction, and these potential problems were readily known prior to

693-573: A new tournament that would contain both the Primera División and Primera B Nacional teams: the former was not going to have any relegated team in its 2011–12 season and include sixteen teams from the latter, Primera B Nacional. The tournament would also include a team from the Primera B Metropolitana and one from the Torneo Argentino A, creating a 38-team league. These changes were strongly opposed by

770-507: A result, the AFA would take over the organisation of Primera División championships, according to Tapia's statement. One month after those announcements, the president of the Superliga, Mariano Elizondo, resigned. The Superliga was replaced by a similar body, named "Liga Profesional de Fútbol", directly linked to AFA and presided by Marcelo Tinelli . It was expected that Superliga was dissolved once

847-437: A round in which players meets each other. For example, player 7 plays against player 11 in round 4. If a player meets itself, then this shows a bye or a game against player n. All games in a round constitutes a diagonal in the table. The above schedule can also be represented by a graph, as shown below: Both the graph and the schedule were reported by Édouard Lucas in as a recreational mathematics puzzle. Lucas, who describes

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924-497: A round, a non-leftmost position (not including 1 {\displaystyle 1} ) can only be taken by competitors of a fixed distance. In round 1 {\displaystyle 1} of the example, in the second position competitor 2 {\displaystyle 2} plays against 13 {\displaystyle 13} , their distance is 2 {\displaystyle 2} . In round 2 {\displaystyle 2} , this position

1001-540: A schedule where player 14 has a fixed position, and all other players are rotated counterclockwise n 2 {\displaystyle {\frac {n}{2}}} positions. This schedule is easily generated manually. To construct the next round, the last player, number 8 in the first round, moves to the head of the table, followed by player 9 against player 7, player 10 against 6, until player 1 against player 2. Arithmetically, this equates to adding n 2 {\displaystyle {\frac {n}{2}}} to

1078-619: A straight knockout system. The top one, two, or occasionally three teams in these groups then proceed to a straight knockout stage for the remainder of the tournament. In the circle of death it is possible that no champion emerges from a round-robin tournament, even if there is no draw, but most sports have tie-breaker systems which resolve this. Round-robins can suffer from being too long compared to other tournament types, and with later scheduled games potentially not having any substantial meaning. They may also require tie-breaking procedures. Swiss system tournaments attempt to combine elements of

1155-521: A table. In France this is called the Carousel -Berger system (Système Rutch-Berger). The schedule can also be used for "asynchronous" round-robin tournaments where all games take place at different times (for example, because there is only one venue). The games are played from left to right in each round, and from the first round to the last. When the number of competitors is even, this schedule performs well with respect to quality and fairness measures such as

1232-416: A tournament of 16 teams can be completed in just 4 rounds (i.e. 15 matches) in a knockout format; a double elimination tournament format requires 30 (or 31) matches, but a round-robin would require 15 rounds (i.e. 120 matches) to finish if each competitor faces each other once. Other issues stem from the difference between the theoretical fairness of the round robin format and practice in a real event. Since

1309-555: A variety of tiebreaker criteria. Frequently, pool stages within a wider tournament are conducted on a round-robin basis. Examples with single round-robin scheduling include the FIFA World Cup , UEFA European Football Championship , and UEFA Cup (2004–2009) in football, Super Rugby ( rugby union ) in the Southern Hemisphere during its past iterations as Super 12 and Super 14 (but not in its later 15- and 18-team formats),

1386-613: Is a simple algorithm to create a schedule for a round-robin tournament. All competitors are assigned to numbers, and then paired in the first round: Next, one of the competitors in the first or last column of the table is fixed (number one in this example) and the others rotated clockwise one position: This is repeated until when the next iteration would lead back to the initial pairings: With an even number n {\displaystyle n} of competitors this algorithm realizes every possible combination of them (equivalently, that all pairs realized are pairwise different). First,

1463-435: Is always on the first row. If, say, competitors 3 and 8 were unable to fulfil their fixture in the third round, it would need to be rescheduled outside the other rounds, since both competitors would already be facing other opponents in those rounds. More complex scheduling constraints may require more complex algorithms. This schedule is applied in chess and draughts tournaments of rapid games, where players physically move round

1540-483: Is based on an averaging system. At the end of the season, the two teams with the worst three-year averages are relegated, while the winner and runner-up of Primera Nacional championship are promoted to Primera. The Primera División champion gains a place to play the Trofeo de Campeones de la Liga Profesional v. the winner of Copa de la Liga Profesional . The 4th. edition of Copa de la Liga Profesional will be held in

1617-691: Is even, then in each of ( n − 1 ) {\displaystyle (n-1)} rounds, n 2 {\displaystyle {\begin{matrix}{\frac {n}{2}}\end{matrix}}} games can be run concurrently, provided there exist sufficient resources (e.g. courts for a tennis tournament). If n {\displaystyle n} is odd, there will be n {\displaystyle n} rounds, each with n − 1 2 {\displaystyle {\begin{matrix}{\frac {n-1}{2}}\end{matrix}}} games, and one competitor having no game in that round. The circle method

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1694-1054: Is held by competitors 14 {\displaystyle 14} and 12 {\displaystyle 12} , also having distance 2 {\displaystyle 2} , etc. Similarly, the next position ( 3 {\displaystyle 3} against 12 {\displaystyle 12} in round 1 {\displaystyle 1} , 2 {\displaystyle 2} against 11 {\displaystyle 11} in round 2 {\displaystyle 2} , etc.) can only hold distance- 4 {\displaystyle 4} competitors. For every k < n 2 {\displaystyle k<{\frac {n}{2}}} , there are exactly n − 1 {\displaystyle n-1} pairs of distance k {\displaystyle k} . There are n − 1 {\displaystyle n-1} rounds and they all realize one distance- k {\displaystyle k} pair at

1771-497: Is never used when one participant plays others an unequal number of times, as is the case in almost all of the major North American professional sports leagues. In the United Kingdom , a round-robin tournament has been called an American tournament in sports such as tennis or billiards which usually have single-elimination (or "knockout") tournaments, although this is now rarely done. A round-robin tournament with four players

1848-413: Is sometimes called "quad" or "foursome". In sports with a large number of competitive matches per season, double round-robins are common. Most association football leagues in the world are organized on a double round-robin basis, in which every team plays all others in its league once at home and once away. This system is also used in qualification for major tournaments such as the FIFA World Cup and

1925-457: Is the country's premier football division and is the top division of the Argentine football league system . It operates on a system of promotion and relegation with the Primera Nacional (Second Division), with the teams placed lowest at the end of the season being relegated. With the first championship held in 1891 , Argentina became the first country outside the United Kingdom (where

2002-408: Is the fairest way to determine the champion from among a known and fixed number of contestants. Each contestant, whether player or team, has equal chances against all other opponents because there is no prior seeding of contestants that will preclude a match between any given pair. The element of luck is seen to be reduced as compared to a knockout system since one or two bad performances need not ruin

2079-409: The 1989–90 season. Starting in 1995–96 , the rule was changed and three points were given for a win, one for a draw and none for a loss. The 1999–2000 season introduced the promotion and relegation system for the first time, where the two clubs placed 1st and 2nd within the four teams with the lowest average, had to play a two-leg series with teams from Primera B Nacional to keep their place in

2156-533: The 2020 edition of Copa de la Superliga Argentina finished, but due to the COVID-19 pandemic the cup was cancelled, accelerating times. In May 2020, the LFP was launched by the AFA. As of 2024 , twenty-eight teams are competing in the league, the 26 teams that took part in the previous season as well as two promoted teams from the 2023 Primera Nacional . Since the first championship held in 1891 , 28 clubs have won

2233-560: The 2025 ICC Champions Trophy . In a more extreme example, the KBO League in baseball plays a 16-fold round robin, with each of the 10 teams playing each other 16 times for a total of 144 games per team. LIDOM (Baseball Winter League in the Dominican Republic) plays an 18-fold round robin as a semi final tournament between four classified teams. Group tournaments rankings usually go by number of matches won and drawn, with any of

2310-476: The Clausura . In 1992 the game was held as well (this time between Newell's Old Boys and River Plate ), but regardless of the result (which favored River Plate ) both teams were awarded the title of Champion . After 1992, the practice was quickly abandoned, so that two champions (on equal footing) were crowned every season and no deciding game is played. Originally, two points were given to match winners except in

2387-630: The Cricket World Cup along with Indian Premier League , major Twenty-20 Cricket tournament, and many American football college conferences , such as the Conference USA (which currently has 9 members). The group phases of the UEFA club competitions and Copa Libertadores are contested as a double round-robin, as are most basketball leagues outside the United States, including the regular season of

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2464-520: The EuroLeague (as well as its former Top 16 phase); the United Football League has used a double round-robin for both its 2009 and 2010 seasons. Season ending tennis tournaments also use a round robin format prior to the semi on stages. The champion in a round-robin tournament is the contestant that wins the most games, except when draws are possible. In theory, a round-robin tournament

2541-522: The Football League had debuted in 1888 , and the Scottish and Irish Football Leagues in 1890) to establish a football league. In the early years, only teams from Buenos Aires , Greater Buenos Aires , La Plata and Rosario were affiliated to the national association. Teams from other cities would join in later years. The Primera División turned professional in 1931 when 18 clubs broke away from

2618-702: The Nacional . The Metropolitano only allowed clubs competing the old tournament to participate, while the Nacional was open to teams from regional tournaments. The format of competition was also altered, with the double round-robin tournament replaced by the two-group championship Metropolitano and single round-robin Nacional in that year. This change brought about a revolution in Argentine football, as small teams, like Estudiantes de La Plata at first, and Vélez Sarsfield , Chacarita Juniors and others in later years, broke down

2695-551: The "Fútbol para Todos" ( Football for Everyone ) program, when the National Government and AFA decided rescind the agreement. The Government paid A$ 9,500 million for 7 years. The league attracts television audiences beyond South America , Europe , Africa and MENA . The matches are broadcast in over 80 countries. In Latin America the matches are broadcast live by ESPN (three matches per week), TyC Sports International (all

2772-450: The 1970s, with all of the top five all-time scorers having retired before 1973. The only player retired after that year in the top twenty list is Martín Palermo , who played for Estudiantes (LP) and Boca Juniors in Primera División. In Argentina, matches are broadcast by American companies ESPN and Turner , which signed a contract for 5 years where both companies agreed to pay A$ 3,200 million per year. Local company Torneos , who

2849-408: The 2021 list. The 2024 season will be contested by 28 teams, including the 26 teams from the previous season plus the two teams promoted from 2023 Primera Nacional . The league season will begin on 12 May and will end on 15 December. Participating teams played each other in a round-robin system totaling 27 rounds. The team with most points at the end of the season crowned champion. Relegation

2926-540: The Copa Campeonato has not been held since then. Starting August 2014, the "Torneo de Transición" was held, with 20 teams participating (17 from the 2013–14 season and 3 promoted from the 2013–14 Primera B Nacional ). No teams were relegated at the end of the championship. In 2015, the format switched to a tournament with 30 teams. The first five clubs of the Zonas A & B of 2014 Primera B Nacional season promoted to

3003-480: The Copa Campeonato has not held since then. Argentine Primera Divisi%C3%B3n The Primera División ( Spanish pronunciation: [pɾiˈmeɾa ðiβiˈsjon] ; English: "First Division" ), known officially as Liga Profesional de Fútbol , or Torneo Betano for sponsorship reasons, is a professional football league in Argentina , organised by the Argentine Football Association (AFA). The Primera División

3080-475: The Cup definitely for having won it three consecutive times (1900–02), but the club from Belgrano declined the honour to keep the trophy under dispute. In June 2013, the association decided to put the trophy back into circulation with the creation of a new competition, named "Superfinal" that consisted in a single match between winners of Torneo Inicial and Torneo Final, played in a neutral venue. The first edition of

3157-557: The Metropolitano and Nacional underwent a reform. Since that year, and until 1985, the Nacional had become a group tournament with playoffs, while the Metropolitano had been competed under a single or double round-robin system, except for the 1974, 1976 and 1979 edition, which were also contested as a group tournament with playoffs. Despite the format change in 1970, teams still entered the Nacional championship, Petit tournament and Reclasificatorio tournament according to their rankings in

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3234-462: The Metropolitano in that year. However, in 1971, the tournaments were separated. Teams did not enter the Nacional by finishing at the top ranks of Metropolitano. On the other hand, the Petit tournament and Reclasificatorio tournament were abandoned. The Metropolitano and Nacional became two truly individual tournaments. Although the old system was reused in 1972, the separation was instituted again in 1973 and

3311-525: The Nacional championship in a single round-robin format. The seventh and eighth team of each group, alongside four teams from regional tournaments, played the Promocional tournament, which, in 1969, was replaced by the Petit tournament contested without regional teams. The ninth to twelfth teams of each group entered the Reclasificatorio tournament to determine the relegating teams. In 1970, the format of

3388-406: The Primera División title at least once. The list include all the titles won by each club since the first Primera División championship held in 1891. Clubs in italic no longer exist or are currently disaffiliated from the AFA. The all-time top scorer of Primera División Argentina is forward Arsenio Erico with 295 goals. Most players on the all-time top scorers table had their golden age before

3465-552: The Primera División. Those 10 teams, with the addition of the 20 clubs currently participating in the top division, qualified to contest the next season. That same year, the AFA announced the format for the next five seasons of the Primera División: In February 2020, President of AFA Claudio Tapia stated that the Superliga had been established to position Argentine football as a product, but it failed in that purpose. As

3542-522: The United States, in the 2004-05 season, ESPN Deportes (instead of Fox Sports networks), broadcast some matches from El Clásico del Domingo (Like other football competitions as Bundesliga , Ligue 1 or Copa Libertadores ). Round-robin tournament A round-robin tournament or all-play-all tournament is a competition format in which each contestant meets every other participant, usually in turn. A round-robin contrasts with an elimination tournament , wherein participants are eliminated after

3619-446: The algorithm obviously realizes every pair of competitors if one of them equals 1 {\displaystyle 1} (the non-moving competitor). Next, for pairs of non- 1 {\displaystyle 1} competitors, let their distance be the number k < n 2 {\displaystyle k<{\frac {n}{2}}} of times the rotation has to be carried out in order that one competitor arrives at

3696-530: The amateur leagues to form a professional one. Since then, the season has been contested annually in four different formats and calendars. The Argentine championship was ranked as one of the top ten strongest leagues worldwide for the 2015 calendar year by the International Federation of Football History & Statistics (IFFHS). Argentina placed 4th after La Liga (Spain), Serie A (Italy), and Bundesliga (Germany), but has since descended to 19th in

3773-535: The amount of rest between games. On the other hand, when the number of competitors is odd, it does not perform so well and a different schedule is superior with respect to these measures. Alternatively Berger tables, named after the Austrian chess master Johann Berger , are widely used in the planning of tournaments. Berger published the pairing tables in his two Schach-Jahrbücher (Chess Annals), with due reference to its inventor Richard Schurig. This constitutes

3850-435: The championship. A notable instance of such an event was the 1950 FIFA World Cup match between Uruguay and Brazil . Further issues arise where a round-robin is used as a qualifying round within a larger tournament. A competitor already qualified for the next stage before its last game may either not try hard (in order to conserve resources for the next phase) or even deliberately lose (if the scheduled next-phase opponent for

3927-428: The competition was awarded as a Primera División league title so Vélez Sársfield achieved its 10th league championship after defeating Newell's Old Boys, but the association then changed the rules, deciding that the competition would not count as a Primera División title but a domestic cup since its second edition. Due to the 2015 and 2016 seasons were played as single tournaments with only one champion per season,

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4004-581: The continental tournaments (e.g. UEFA European Championship , CONCACAF Gold Cup , AFC Asian Cup , CONMEBOL Copa América and CAF Cup of Nations ). There are also round-robin cricket , bridge , chess , draughts , go , ice hockey , curling , and Scrabble tournaments. The World Chess Championship decided in 2005 and in 2007 on an eight-player double round-robin tournament where each player faces every other player once as white and once as black. There has been several major international cricket tournaments held in this format including ICC events, including

4081-460: The division. For the 2012–13 season, the Torneo Apertura and Clausura became "Torneo Inicial" and "Torneo Final," being disputed with the same format as before but proclaiming only one champion each season, unlike the last format that had two champions (Apertura and Clausura, respectively). Before those changes, a controversial project for the 2012–13 season had been proposed: it consisted in

4158-479: The hegemony of the five clubs who had won all the championships up to that date. Between 1967 and 1969, the Metropolitano and Nacional had gone through several format changes. In the first three years, the Metropolitano was a two-group championship, with the best two teams from each group competing the semi-finals of the knock-out stage. The six best teams of each group would advance to the Nacional, with four more teams coming from regional tournaments, to compete for

4235-531: The matches per week) and another streaming platforms like Prende TV , Star+ and Fanatiz (together with AFA Play). In the United States, the matches are streamed on Paramount+ since 2021. BeIN Sports broadcasts the games live in France and MENA regions. ITV showed highlights on a regional basis with the introduction of overnight broadcasting in 1988–89. Channel 5 showed highlights from 1999 to 2003, while Premier Sports showed live games across 2011 and 2012. In

4312-472: The media and the people, and finally the tournament was called off. However, the project for the new format was successfully picked up starting from the 2015 season. Once the initial and final tournaments had finished, both winners had to play a match for the Copa Campeonato (familiarly known as Superfinal ). The AFA had previously determined that the first edition (played in 2013) would be considered as

4389-403: The method as simple and ingenious , attributes the solution to Felix Walecki, a teacher at Lycée Condorcet . Lucas also included an alternative solution by means of a sliding puzzle . To easily remember this method, the following mnemonic can be used. Starting from the first round, the next round is constructed: and then, If the number of players is odd, the player in the first venue gets

4466-438: The old system, along with Racing de Córdoba . The first teams to be relegated on average were Racing and Nueva Chicago . Boca Juniors was also struggling at that time and had a dismal 1984 season. These facts have led to speculation that the averaging system was instituted to minimize the chance of big teams being relegated. Following the advice of Argentina national football team 's then coach Carlos Salvador Bilardo ,

4543-496: The position the other had. In the example given ( n = 14 {\displaystyle n=14} ), 2 {\displaystyle 2} has distance 1 {\displaystyle 1} to 3 {\displaystyle 3} and to 14 {\displaystyle 14} and it has distance 6 {\displaystyle 6} to 8 {\displaystyle 8} and to 9 {\displaystyle 9} . In

4620-400: The previous row, with the exception of player n {\displaystyle n} . When the result of the addition is greater than ( n − 1 ) {\displaystyle (n-1)} , then subtract ( n − 1 ) {\displaystyle (n-1)} from the sum. This schedule can also be represented as a (n-1, n-1) table, expressing

4697-406: The round-robin and elimination formats, to provide a worthy champion using fewer rounds than a round-robin, while allowing draws and losses. The main disadvantage of a round robin tournament is the time needed to complete it. Unlike a knockout tournament where half of the participants are eliminated after each round, a round robin requires one round less than the number of participants. For instance,

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4774-521: The round-robin major league champions are generally regarded as the "best" team in the land, rather than the cup winners, whose tournaments usually follow a single-elimination format. Moreover, in tournaments such as the FIFA or ICC World Cups, a first round stage consisting of a number of mini round robins between groups of 4 teams guards against the possibility of a team travelling possibly thousands of miles only to be eliminated after just one poor performance in

4851-426: The same points with Racing Club in the league table. However, they lost 1–0 in the two-legged first place playoffs and gave the title to Racing. The averaging system for relegations was implemented for the first time in the 1957 championship, with Ferro Carril Oeste becoming the first team to be relegated under that system. Averaging continued until 1963 , when the championship returned to its old format (with

4928-408: The same position. Clearly, these pairs are pairwise different. The conclusion is that every distance- k {\displaystyle k} pair is realized. This holds for every k {\displaystyle k} , hence, every pair is realized. If there are an odd number of competitors, a dummy competitor can be added, whose scheduled opponent in a given round does not play and has

5005-459: The second semester of 2023, when the league tournament concludes. It will begin on 20 August and will end on 16 December. Teams will be divided into two zones (A and B) and will play each other in a single round robin format, totalising 14 fixtures. As of 2022 , five clubs from Argentina are eligible to play the Copa Libertadores . The champion of Primera División automatically qualifies for

5082-557: The structure of play was modified in 1985. Traditionally, like other countries in Southern Hemisphere, football season began and ended according to the calendar year. However, upon the reform, European style season was adopted for the first time among all the South American countries. Moreover, instead of holding two championships every year, only one double round-robin tournament was contested, like football leagues in Europe. The team topping

5159-413: The table at the end of season was crowned the champion. In 1985, after the Nacional was played, the Metropolitano was not held, while the new single tournament (1985/86) was played for the first time. In 1988–89 season, three points were given to match winners. If a draw occurred, A penalty shootout took place and the winner of the shootout would get two points while the loser still had one. This format

5236-603: The teams. This famously happened during the 1994 FIFA World Cup Group E , where all four teams finished with a record of one win, one draw, and one loss. This phenomenon is analogous to the Condorcet paradox in voting theory. If n {\displaystyle n} is the number of competitors, a pure round robin tournament requires n 2 ( n − 1 ) {\displaystyle {\begin{matrix}{\frac {n}{2}}\end{matrix}}(n-1)} games. If n {\displaystyle n}

5313-587: The tournament. The other four teams best placed in the table at the end of the tournament (2nd to 5th) are also eligible to play the Cup. For the Copa Sudamericana , six teams are eligible. Clubs placed 6th to 11th in the table at the end of the tournament, gain a place to play the cup. In 1891 the Association Argentine Football League was established, with Alex Lamont of St. Andrew's Scots School as one of its board members. The AAFL

5390-435: The tournament; changes were made prior to the next Olympics to prevent a repeat of these events. Another disadvantage, especially in smaller round-robins, is the "circle of death", where teams cannot be separated on a head-to-head record. In a three-team round-robin, where A defeats B, B defeats C, and C defeats A, all three competitors will have a record of one win and one loss, and a tiebreaker will need to be used to separate

5467-451: The victor is gradually arrived at through multiple rounds of play, teams who perform poorly, who might have been quickly eliminated from title contention, are forced to play out their remaining games. Thus games are played late in the competition between competitors with no remaining chance of success. Moreover, some later matches will pair one competitor who has something left to play for against another who does not. It may also be possible for

5544-532: The winners of Copa de Honor and the Campeonato played a match for the championship title. The single tournament arrangement lasted until 1966. During this period, the traditional " Big Five " clubs, namely, River Plate , Boca Juniors , Independiente , Racing and San Lorenzo dominated Argentine football. No other team besides them had won the league championship in these 36 years. The most serious title challenge came from Banfield in 1951, when they gained

5621-476: The worst placed teams being relegated). Nevertheless, there were no relegations until 1967 (with Unión (SF) and Deportivo Español being sent to Primera B after playing a relegation tournament contested by teams of First and Second divisions to define the promotions and relegations). In 1967, the single tournament format was abandoned and replaced by two championships in each year: the Metropolitano and

5698-448: Was adopted throughout the remaining Metropolitano and Nacional era. The Metropolitano was always played first, until the order of the tournaments was reversed in 1982. After 20 years since the last time it had been used, the average system for relegations returned in the 1983 Metropolitano championship, two years after San Lorenzo was relegated. That year, River Plate finished 18° out of 19 teams and would have been relegated under

5775-544: Was formerly the official broadcaster of the Argentine championship from 1985 until 2009, will take over the content production of the games for Fox and La Corte will handle content production for Turner while Cablevisión , DirecTV and Telecentro will be the TV operators. Until the agreement with Fox and Turner was signed, Argentine football matches were broadcast nationally by El Trece , Telefe , America TV , and Channel 7 . Games were free in Argentina from 2009 to 2016 thanks to

5852-519: Was scrapped in the following season. Five years later, the single championship was split into two single-round tournaments, giving birth to the Apertura and Clausura arrangement. In 1991 the two champions played winner-take-all matches. This practice was very controversial, especially since one of the biggest teams, Boca Juniors , lost the finals against Newell's Old Boys , costing them their first official championship since 1981 despite an unbeaten run in

5929-459: Was the first football league outside of the British Isles., to establish a football league. The first amateur Primera División matches were played on 12 April 1891: Buenos Aires FC vs. St. Andrew's and Old Caledonians vs. Belgrano FC. A single double round-robin tournament was played each year, and the team with the most points was crowned as champion, except for 1936 , during that year

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