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Q.

How to calculate runs by D/L method in cricket and eligibility for bonus point in ongoing triseries in Australia

Tags: d, cricket, runs
Asked by Gottumukkala Purushotham, 24 Feb '08 07:42 am
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Answers (2)

1.

Fred Duckworth and Tony Lewis are statisticians who devised the now commonly applied method in international cricket to arrive at reset targets for the team batting second to chase in rain interrupted matches. Earlier methods such as average run rate and high scoring overs were discarded in favour of the D/L method because it was thought to be the fairest of all methods. Earlier methods did not consider wickets lost. The D/L method considers two resources: wickets and overs. A team uses a combination of these resources to get to the target. The basic premise is that more wickets the team batting second loses when rain interrupts, the higher their target.
You can get an excellent overview of the methods at:
http://www.cricinfo.com/database/ABOUT_CRICKET/RAIN_RULES/DUC KWORTH_LEWIS_1999.html
You can also download a D/L calculator at
http://www.geocities.com/kirentanna/dlanalysis.html
http://www.geocities.com/kirentanna/dlanalysis.html
Answered by Archana Murdeshwar, 24 Feb '08 07:45 am

 
  
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2.

D/L methode is to calculate the target for chasing team and calculated as the percentage of the runs of first team: seethe table:
Wickets lost
Overs left 0 2 5 7 9
50 100.0 83.8 49.5 26.5 7.6
40 90.3 77.6 48.3 26.4 7.6
30 77.1 68.2 45.7 26.2 7.6
25 68.7 61.8 43.4 25.9 7.6
20 58.9 54.0 40.0 25.2 7.6
10 34.1 32.5 27.5 20.6 7.5
5 18.4 17.9 16.4 14.0 7.0

Reading the table

The single table applies to all lengths of one-day matches from 50 overs-per-side downwards. Because this length of match is by far the most common, the resources listed in the table are expressed as percentages of those available at the start of a 50-over innings. Thus when there are 50 overs still to be received and no wickets have been lost, the resource percentage ava ...more
Answered by nagen samal, 24 Feb '08 08:03 am

 
  
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