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Sir Swapnil again.....,
Sir I understood about Duckworth - Lewis rule and even the table and its calculations. I have even downloaded the Duckworth - Lewis Application for the smart phone.... It's become easy  to calculate the score at various time period of the match..
Sir consider one example:
On 18 May 2003, Lancashire played Hampshire in the National League. Rain before play reduced the match to 30 overs each. Lancashire batted first and scored 231-4 from their 30 overs. Hampshire's innings was then further reduced to 28 overs.

Total resources available to Lancashire(R1) 30 overs and 10 wickets   75.1%
Total resources available to Hampshire (R2) 28 overs and 10 wickets   71.8%

Hampshire's par score   231 x R2/R1 = 231 x 71.8/75.1   220.850 runs

Hampshire's target was therefore 221 to win (in 28 overs), or 220 to tie. They were all out for 150, giving Lancashire victory by 220 − 150 = 70 runs.

I understood, the way problem has solved. I am having the doubt that how the values 75.1% or 71.8% derived from???

How to calculate it...???
Is there any formulae for that to get 75.1% or 71.8% as answer??

Sir please reply me...............

Thank You...............................

Answer
The tables were compiled using statistics from a very large number of matches over several years.

they then applied a number of very sophisticated statistical techniques, some of which i learned at university but have now forgotten!  there is no simple formula.

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Colin Pearson

Expertise

Cricket umpiring and scoring. I can answer questions on MCC Laws of Cricket but not ICC and other special regulations, which are frequently changing. I cannot answer questions on careers as a cricket umpiring. For details of courses, visit http://nompere.proboards.com (anywhere that has advertised), www.ecb.co.uk/ecbaco (UK only)

Experience

I passed The Association of Cricket Umpires and Scorers Full membership examinations in 1961 and have been an instructor since 1973, and examiner since 1977 and have undergone the first stage training as an Umpire Assessor for ECB Association of Cricket Officials. I was Chairman of Training Board for ACU&S from 1981 to 1997.

Organizations
ECB Association of Cricket Officials British Computer Society Society of Expert Witnesses Chartered Institute of Arbitrators Rotary International

Education/Credentials
MA Hons Cantab 1966 DMS Part 1, 1975 Enterprise Reader (rtd), Staffordshire University)

Awards and Honors
Taylor Scholarship 1963 Life Vice President ACU&S 1998

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