Jayadevan's System
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Jayadevan's System
The V Jayadevan system, also known as the VJD method, is a proposed method for calculating target scores in interrupted one-day and Twenty20 cricket matches. The method was devised by V. Jayadevan, an Indian engineer. It can be used instead of the DLS method. VJD method The VJD method is essentially built around two curves. The first curve depicts the "normal" run getting pattern; i.e., when there is no interruption and the side is expecting to bat its full quota of overs. The second curve ("target curve") indicates how the batting side should "speed up" after an interruption. The "normal" curve takes into account both the percentage of overs played and the percentage of wickets lost. The "target" curve, which is used to set revised targets, only considers the percentage of overs played. Obtaining the curves To obtain the normal score curve VJD System considers the percentage of runs scored in seven phases: settling down (first 10% of the overs, i.e. the five overs), expl ...
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Limited Overs Cricket
Limited overs cricket, also known as white ball cricket, is a version of the sport of cricket in which a match is generally completed within one day. There are a number of formats, including List A cricket (8-hour games), Twenty20 cricket (3-hour games), and 100-ball cricket (2.5 hours). The name reflects the rule that in the match each team bowls a set maximum number of Over (cricket), overs (sets of 6 legal Ball (cricket), balls), usually between 20 and 50, although T10 cricket, shorter and longer forms of limited overs cricket have been played. The concept contrasts with Test cricket, Test and first-class cricket, first-class matches, which can take up to five days to complete. One-day cricket is popular with spectators as it can encourage aggressive, risky, entertaining batting (cricket), batting, often results in cliffhanger endings, and ensures that a spectator can watch an entire match without committing to five days of continuous attendance. Structure Each team bats ...
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Run (cricket)
In cricket, a run is the unit of Score (sport), scoring. The team with the most runs wins in many versions of the game, and always draws at worst (see Result (cricket), result), except for some results decided by the Duckworth–Lewis–Stern method, DLS method, which is used in rain-shortened limited-overs cricket, limited-overs games when the two teams have had a different number of opportunities to score runs. One run (known as a "Single (cricket), single") is scored when the two Batting (cricket), batters (the striker and the non-striker) start off positioned at opposite ends of the Cricket pitch, pitch (which has a length of 22 yards) and then they each arrive safely at the other end of the pitch (i.e. they cross each other without being run out). There is no limit on the number of runs that may be scored off a single delivery (cricket), delivery, and depending on how long it takes the fielding team to recover the ball, the batters may run more than once. Each completed ru ...
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Indian Premier League
The Indian Premier League (IPL) is a professional Twenty20 (T20) cricket league in India, organised by the Board of Control for Cricket in India (BCCI). Founded in 2007, it features ten city-based Professional sports league organization, franchise teams. The IPL is the List of sports attendance figures#Sports leagues, most popular and List of professional sports leagues by revenue, richest cricket league, and the second-richest sports league in the world. It is held annually between March and May. It has an exclusive window in the ICC Future Tours Programme, Future Tours Programme of the International Cricket Council, resulting in fewer international tours occurring during the seasons. It is also the most viewed Indian sports event, per the Broadcast Audience Research Council. In 2014, it ranked sixth in attendance among all sports leagues. Inspired by the success of the IPL, other Sport in India#Major sporting leagues or competitions, Indian sports leagues have been establi ...
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2011 Indian Premier League
The 2011 Indian Premier League season, abbreviated as IPL 4 or the IPL 2011, was the fourth season of the Indian Premier League, the top Twenty20 cricket league in India. The tournament was hosted in India and the opening and closing ceremonies were held in M. A. Chidambaram Stadium, Chennai, the home venue of the reigning champions Chennai Super Kings. The season ran from 8 April to 28 May 2011. This season the number of teams in the league went from eight to ten with the additions of the Pune Warriors India and the Kochi Tuskers Kerala. The tournament was won by the Chennai Super Kings for the second successive season defeating Royal Challengers Bangalore by 58 runs in the final in Chennai, with the winning team's Murali Vijay being named Man of the Match. With this win CSK became the first, and till 2014 the only team to have won the IPL on more than one occasion. Despite Bangalore failing to win the title, one of the team's players, Chris Gayle was named as the tournament's ...
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Run (cricket)
In cricket, a run is the unit of Score (sport), scoring. The team with the most runs wins in many versions of the game, and always draws at worst (see Result (cricket), result), except for some results decided by the Duckworth–Lewis–Stern method, DLS method, which is used in rain-shortened limited-overs cricket, limited-overs games when the two teams have had a different number of opportunities to score runs. One run (known as a "Single (cricket), single") is scored when the two Batting (cricket), batters (the striker and the non-striker) start off positioned at opposite ends of the Cricket pitch, pitch (which has a length of 22 yards) and then they each arrive safely at the other end of the pitch (i.e. they cross each other without being run out). There is no limit on the number of runs that may be scored off a single delivery (cricket), delivery, and depending on how long it takes the fielding team to recover the ball, the batters may run more than once. Each completed ru ...
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Batting (cricket)
In cricket, batting is the act or skill of hitting the cricket ball, ball with a cricket bat, bat to score runs (cricket), runs and prevent the dismissal (cricket), loss of one's wicket. Any player who is currently batting is, since September 2021, officially referred to as a batter regardless of whether batting is their particular area of expertise. Historically, ''batsman'' and ''batswoman'' were used, and these terms remain in widespread use. Batters have to adapt to various conditions when playing on different cricket pitches, especially in different countries; therefore, as well as having outstanding physical batting skills, top-level batters will have quick reflexes, excellent decision-making skills, and be good strategists. During an innings two members of the batting side are on the pitch at any time: the one facing the current delivery from the bowler is called the striker, while the other is the non-striker. When a batter is dismissal (cricket), out, they are replac ...
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Field Restrictions
In the sport of cricket, different fielding restrictions are imposed depending on the type of match. They are used to discourage certain bowling tactics, or to encourage the batsmen to play big shots, enabling them to hit fours and sixes. Each team has nine fielders other than the wicket-keeper and bowler. The captain decides the fielding positions usually after consulting with the bowler. In Test cricket matches, the fielding restrictions are relaxed as compared to a One Day International. All forms In all forms of cricket, only two fielders are allowed in the quadrant between the fielding positions of ''square leg'' and ''long stop''. This is to prevent the outlawed and controversial bodyline tactics from being used. No fielder is allowed on or over the pitch until the batsman has had a chance to play the ball. One day cricket Various rules concerning fielding have applied during the history of one day cricket, with the dual aim of encouraging the batsman to play attacking shot ...
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Wickets
In the sport of cricket, the term wicket has several meanings: * It is either of the two sets of three stumps and two bails at each end of the pitch. The fielding team's players can hit the wicket with the ball in a number of ways to get a batter out. ** The wicket is guarded by a batter who, with their bat (and sometimes with their pads, but see the laws on LBW, leg before wicket), attempts to prevent the ball from hitting the wicket (if it does, he may be bowled out) and to score runs where possible. * Through metonymic usage, the dismissal of a batter is known as the ''taking of a wicket'', * The cricket pitch itself is sometimes referred to as ''the wicket''. History The origin of the word is from wicket gate, a small gate. Originally, cricket wickets had only two stumps and one bail and looked like a gate, much like the wicket used in the North American game of wicket. The third (middle) stump was introduced in 1775, after Lumpy Stevens bowled three success ...
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Twenty20
Twenty20 (abbreviated T20) is a shortened format of cricket. At the professional level, it was introduced by the England and Wales Cricket Board (ECB) in 2003 for the county cricket, inter-county competition. In a Twenty20 game, the two teams have a single innings each, which is restricted to a maximum of twenty over (cricket), overs. Together with First-class cricket, first-class and List A cricket, Twenty20 is one of the three forms of cricket recognised by the International Cricket Council (ICC) as being played at the highest level, both internationally and domestically. A typical Twenty20 match lasts just over 3 hours, with each innings lasting around 90 minutes and an official 10-minute break between the innings. This is much shorter than previous forms of the game, and is closer to the timespan of other popular team sports. It was introduced to create a fast-paced game that would be attractive to spectators at the ground and viewers on television. The game has succe ...
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Over (cricket)
In cricket, an over consists of six legal deliveries bowled from one end of a cricket pitch to the player batting at the other end, almost always by a single bowler. A maiden over is an over in which no runs are scored that count against the bowler (so leg byes and byes may be scored as they are not counted against the bowler). A wicket maiden is a maiden over in which a wicket is also taken. Similarly, double and triple wicket maidens are when two and three wickets are taken in a maiden over. After six deliveries the umpire calls 'over'; the fielding team switches ends, and a different bowler is selected to bowl from the opposite end. The captain of the fielding team decides which bowler will bowl any given over, and no bowler may bowl two overs in succession. Overview An over consists of six legal deliveries (although overs of different lengths have been used in the past, including four and eight). If the bowler bowls a wide or a no-ball, those deliveries are not coun ...
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Curve
In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight. Intuitively, a curve may be thought of as the trace left by a moving point. This is the definition that appeared more than 2000 years ago in Euclid's ''Elements'': "The urvedline is €¦the first species of quantity, which has only one dimension, namely length, without any width nor depth, and is nothing else than the flow or run of the point which €¦will leave from its imaginary moving some vestige in length, exempt of any width." This definition of a curve has been formalized in modern mathematics as: ''A curve is the image of an interval to a topological space by a continuous function''. In some contexts, the function that defines the curve is called a ''parametrization'', and the curve is a parametric curve. In this article, these curves are sometimes called ''topological curves'' to distinguish them from more constrained curves su ...
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