rules of the game

                    

Reading Scorecards

Hopefully by now, what I have explained is sufficient to know about One Day cricket and its nuances. However before the ability to read the abbreviations & scoreboard on the the TV screen needs to be explained, so that the numbers on the screen aren't Greek and Latin to newcomers.

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Abbreviations

n.o. Not Out c. Caught
* Not Out b. Bowled OR bye
SR Strike Rate st. Stumped
D/L Duckworth Lewis ht. wk Hit Wicket
NRR Net Run Rate wk Wicket Keeper
LHB Left Handed batsman R/R Run Rate
RHB Right Handed Batsman nb. No Ball
DNB Did not bat/bowl w Wide
FoW Fall of Wicket lb Leg Bye
N/R No Result
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Score Cards

On the TV screen, this is what you would see:  Not that the grey tables are the scoreboard.

Team Score

AUS 251/6
PAK 143/3
Overs 32.2

This means that Australia batted first. They scored 251 runs and lost 6 wickets. Pakistan are currently batting. Their current score is 143 and have lost 3 out of 10 wickets. 32 overs and 2 balls are up. (6 balls make an over).

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Batsman's scorecard

5. Adam Gilchrist 74*(83)
Runs Balls 4 6 S/R Mins.
74 83 5 1 89.16 104

The above scorecard is self explanatory. Adam Gilchrist, the fifth batsman in the batting order, hit 74 runs of 83 balls he faced with a Strike Rate of 89.16. He has batted for 104 minutes and has hit 5 fours and a six; and remains not out .

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Bowler's Scorecard

Brett Lee (right arm fast)
Overs Maidens Runs Wickets Econ.
5.4 1 23 2 4.6

Brett Lee has bowled 5 overs and 2 balls, and has got two wickets. He comes under the fast bowler category. He has bowled 1 maiden over and 23 runs have been scored of him. He has an economy rate of 4.6 runs an over.

2- Team Scorecards

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Batting Team Scorecards

India 1st Innings NO NAME DISMISSAL RUNS BALLS
1 Virendra Sehwag c.Gilchrist b. McGrath 52 44
2 Sachin Tendulkar not out 112* 93
3 Saurav Ganguly (c) b. Bichel 22 38
4 Mohammed Kaif c & b Hogg 0 5
5 Rahul Dravid (vc) (wk) st. Gilchrist b. Hogg 31 50
6 Yuvraj Singh c. Ponting b.Harvey 72 70
7 Ajit Agarkar not out 12* 12
8 Harbhajan Singh
9 Zaheer Khan
10 Javagal Srinath
11 Ashish Nehra
FOW: 1/42 2/44 3/89 4/147 5/260
Total 5 wickets 50 overs 303

Summary

This is a typical batting scorecard. The first column shows the batting line-up of the match. The second column is the player's name. The third column is the way they got out. If there is no data, it means that they haven't batted as yet. The Runs column shows the runs garnered by each player, similarly the balls column. The third last row gives the (Fall of wickets); The score at which a batsman got out. Extras are the runs not credited to the batsman. Wides/No-Balls/Leg-Byes/Byes.
The sum total of the runs made by the players plus the runs obtained by extras gives the team score. The Total number of balls here exceeds 300 (50 x 6) by 12. The 12 extra balls are the balls re-bowled due to wides and no-balls.

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Bowling Scorecard

AUS Bowling Analysis of the 1st Innings NO BOWLER OVERS MD RUNS WICK WID NB ECON
1 Glen McGrath 10 1 42 1 0 1 4.20
2 Andy Bichel 10 0 54 1 2 0 5.40
3 Brad Hogg 10 0 72 2 0 0 7.20
4 Ian Harvey 8 0 33 1 0 1 4.13
5 Brett Lee 8 0 50 0 0 3 6.25
6 Damien Martyn 4 0 42 0 3 2 10.5
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The above scorecard is self explanatory. It shows the bowling over wise breakdown of the bowlers. Overs, Maidens, Runs given, Wickets taken, wides, No balls & Economy Rate.

Rain

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Like all other sports, no one likes the weather gods spoiling a good day's play. So if rain interrupts the game for a short while, the game is shortened so that the match gets over on time.

After years of trial an error, two English statisticians Mess. Frank Duckworth and Tony Lewis came up with a table to determine, if the rains spoil the game, how the score needs to be adjusted. This method, Duckworth Lewis Method is named after them. The Duckworth Lewis system can also be used for matches disrupted by other factors such as fog or a dust storm.


When is is used?

For a match to be declared an official match with a result, both teams must have faced a minimum of 25 overs . Else it is abandoned and the outcome is a NO RESULT (N/R) match. However the match  scores are taken into account. eg. If a batsman got 50 runs, it is officially recorded, in spite of the match being abandoned. If both teams have faced more than 25 overs, the D/L method comes into effect. However the calculations are pretty tricky.

How it Works

The Duckworth Lewis System makes use of "resources". Resources are the number of balls remaining to be bowled and the number of Wickets-in-Hand (not out batsmen).

To under how this works is, imagine a squad of 10 planes with a collection of 50 missiles between them. For each missile fired, the less resources remaining to completely cripple the enemy, and for each plane downed, lesser the chance of the squad winning the battle.

Here the missiles fired are the overs up, and the planes are the batsmen who are not out.

Calculating the Adjusted Scores

The Duckworth Lewis table is plotted per ball vs. wickets fallen. To make the following example clearer, the following resource table is of selected overs.

Wickets Lost Overs Left 0 2 5 7 9
50 100 85.1 49 22 4.7
40 89.3 77.8 47.6 22 4.7
30 75.1 67.3 44.7 21.8 4.7
25 66.5 60.5 42.2 21.6 4.7
20 56.6 52.4 38.6 21.2 4.7
10 32.1 30.8 26.1 17.9 4.7
5 17.2 16.8 15.4 12.5 4.6

There are four cases when the match can be disrupted.

1) Rain delays start of play

Rain delays start of play, and a forty over-a-side match is declared. Play continues without the D/L system coming into effect if there is no further interruption to the match.

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2) Team B's batting is ended prematurely.

Team B is batting second and more than 25 overs of his innings are up. Team A had scored 300 runs in their 50 overs. After 40 overs, Team B have scored 250 runs and have lost 7 wickets. Rain prevents further play. After the scheduled closing time, the winner has to be declared. Who is the winner? 

Team A: No disruptions, therefore 100% resource.
Team B: Have 10 overs left and 3 wickets remaining.
From the table, Team B's resource remaining was 17.9. But because of rain, it was lost.
Now resource used: [100 - 17.9] = 82.1%.
Equivalent resource score: [300 x 82.1/100] = 246.3 ~ 246. (Always round down for D/L method)
246 is the par score, or the score to tie.
Since Team B are at 250 runs, ahead of 246, they are adjudged the winner by 4 runs.

3) Rain Stops Play for a few overs.

The match is reduced to a 40 over a side game. Resource remaining to both teams = 89.3%. Team A scores 217 in 40 overs. Team B, after 30 overs, scores 133/2. Rain disrupts play, and 5 overs are lost. The target need to be revised.

Overs remaining for Team B: [40 - 30] = 10%
Resources remaining: 30.8%
Resources used: 69.2%
5 overs lost due to rain, hence Resources lost: 16.8%
Resource% lost: [30.8 - 16.8] = 14%.
Resource used : [89.3 - 14] = 75.3%
Target needed: [217 x 75.3/89.3] = 182.9 ~ 182
Hence, if Team B don't lose any more wickets, the target is 183 to win.

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4) Team A loses a few overs.

Team A, batting first after 40 overs has their play disrupted. Their score was 193/5. 20 overs are declared lost, 10 from each team. Since they lost resources at the end of the innings, the score the Team B has to chase has to be revised UPWARDS. This compensates for the loss of resources of Team A, which would enable them to get a higher score.

Team A's resource remaining: 26.1%
Resource Used: 73.9%
Resource available to Team B: 40 overs, 89.3%
Difference in Resource: [89.3 - 73.9] = 15.4%
235 is the median score in Cricket.
We multiply [15.4% x 235] = 36.19
Revised score 193 + 36 = 229
Team B need 230 to win.