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Frank Duckworth, co-inventor of cricket’s DLS method, dies aged 84

English statistician and one of the inventors of the Duckworth-Lewis-Stern (DLS) method, Frank Duckworth has died at the age of 84, according to a report.

Duckworth died on June 21, according to a report from ESPNcricinfo.com.

The Duckworth-Lewis method, devised by Duckworth and fellow statistician Tony Lewis, was introduced to determine the results of rain-affected cricket matches.

The method was first used in international cricket in 1997 and was officially adopted by the ICC as the standard method for setting revised goals in truncated games in 2001.

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The method was renamed the Duckworth-Lewis-Stern method after the withdrawal of Duckworth and Lewis, followed by some modifications by Australian statistician Steven Stern.

Both Duckworth and Lewis were awarded MBEs (Member of the Order of the British Empire) in June 2010.

The DLS method is based on a complex statistical analysis that takes into account many factors such as wickets remaining and overs lost, among others, to set a revised target for the team batting second.

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