Welcome Wet Weather & Duckworth Lewis Stern 2019 Regulations

Content Ground Weather & Light – ECB Guidance DLS – Premier League DLS – SWCL Division 1 Not covering other wet weather calculations e.g. non-Division 1 SWCL regulations contained in handbook

Duckworth Lewis Stern Calculations Premier League Delayed Starts Where a match is unable to start at the scheduled time, the match will be reduced by one over per side for each full seven minutes of playing time lost, subject to a minimum of 60 overs per match. Captains may agree to delay the official start to any time up to 1.30pm in which case the reduction of overs will be computed from the new agreed start time. (Note that any time used up in delaying the start to 1.30pm is deductible from the 60 minutes threshold allowable under 5(c)(i)(1) below)

Duckworth Lewis Stern Calculations Premier League Interruptions (i) Where Interruptions occur after a match has been started: - Provided more than 60 minutes in total of playing time have been lost , then the number of overs allowed will be reduced according to the rules below:- • Overs reduction in the first innings will be on the on the basis of one over per side for each full seven minutes lost, with a minimum of 30 overs per side being allowed, or if the side batting first has already exceeded the number of overs to be allowed to it, a minimum of 20 overs to be allowed to the side batting second. • Overs Reduction in the second innings will be on the basis on 1 over for each full 3½ minutes lost, with a minimum of 20 overs being allowed.

Duckworth Lewis Stern Calculations Premier League If a match is abandoned after 20 overs or more have been bowled in the second innings then the result of the match will be computed via the Duckworth/Lewis methodology. (iii) If a match is abandoned with less than 20 overs bowled in the second innings then no result will be computed, the match will be recorded as abandoned. (iv) If both captains agree then up to 90 minutes of playing time may be lost before Duckworth-Lewis is implemented (less that already used if start time moved by Captains). (v) Once over reductions occur then innings totals and (if appropriate) the result will be computed via Duckworth/Lewis.

Duckworth Lewis Stern Calculations Premier League All you need to do is to ensure the over deductions are correct. Calculation of targets will be done by the scorers, who have an approved DLS calculator on their laptops. As long as they together agree the revisions, that’s it.

South East Wales Cricket League – Division 1 Equipment Required Smartphone/Tablet capable of running apps iPhone Android Windows Play-cricket scorer app 7 7

Tips The app will give you the answer(s) you need It’s only as good as the info you put into it The match overs must always start on 50 Identify who else has the app to act as a check on the day 8 8

South East Wales Cricket League – Division 1 Delayed Starts / Weather Affected Matches In matches where the Duckworth-Lewis System is in place, the match need only consist of 20 overs for each side for the game to be considered complete, and the result of the game may be determined following its abandonment based upon this.

South East Wales Cricket League – Division 1 Delayed Starts Each team will immediately begin to lose one over from their innings for every 7 minutes of time lost. There is no period of grace if the start of the match is delayed.

Overview of Regulations After the match has started there is a grace period of 60 minutes (90 if Captains agree) before any deductions are made. Overs reduced in 1st innings at rate of 1 over each for every 7 minutes lost. Minimum of 20 overs each or if team batting 1st has exceeded the number of overs allowed to it, a minimum of 20 overs for team batting 2nd. Overs reduced in 2nd innings at rate of 1 over for every 3.5 minutes, with a minimum of 20 overs for team batting 2nd. If match abandoned after 20+ overs bowled in 2nd innings then result by DLS. 11 11

Examples and Practice 1 Match starts on time at 12:30pm, 50 overs per side. Team A completes their innings uninterrupted and score 252-8. Team B bat and after 70 minutes come off for rain with the score at 121-3 after 22 overs have been bowled. After 85 minutes the Umpires agree play will start in 15 minutes. What is the revised target? 12 12

Examples and Practice 1 Overs are deducted at the rate of 1 over per 3.5 minutes First 60 minutes of stoppage are ignored At resumption total time will be 100 minutes 100mins – 60 that are ignored = 40 mins stoppage time 40/3.5 = 11.42 overs lost (always round down) 13 13

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Examples and Practice 2 Start delayed – starts at 2:20pm so 110 minutes lost. Delayed start overs deducted at 1 over per side for every 7 minutes (no 60 grace period for delayed starts, only after match has started). 110mins / 7 = 15.71 = 15 overs per side deducted so 35 overs per side. Team A completes innings, scoring 198-5 in their 35 overs. 15 15

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Examples and Practice 2 Team B bats and score 35-1 in 9 overs when rain intervenes. After 95 minutes Umpires say play will start in 20 minutes. 115mins – 60 = 55 minutes stoppage time. 55/3.5 = 15.71 = 15 overs lost. What is the target? 17 17

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Examples and Practice 3 Team A bat and score 265-8 in their 50 overs. In the second innings Team B are on 133-3 after 26 overs when a thunderstorm strikes, making any further play impossible. What is the result of the match? 19 19

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Examples and Practice 3 As the target (121) is less than the runs scored (133) Team B have won. Result is expressed as runs e.g. Team B win by 13 runs (par score/tie would be 120) 21 21

Examples and Practice 5 Team A are on 175-2 after 35 overs when rain comes. They can’t go back for 120 minutes. 120 – 60 min = 60 mins stoppage time 60 / 7 = 8.57 overs lost per team. Now a 42 over game. Team A go back and score 231-8 in their 42 overs. What is Team B’s target? 22 22

8 overs reduced so now a 42 over game. Team A already batted 35 overs so 7 overs remaining after suspension. 23 23

Law 29.1 NEW amendment in 2010 Laws 24 24

Examples and Practice 5A Team B bat and on 120-4 after 20 overs rain comes again. Play resumes after 30 mins (Captains don’t invoke 30mins optional grace period). What is the new target? 30/3.5 = 8 overs lost

8 overs lost so now a 34 over game (42-8). Team B already batted 20 overs so 14 overs remaining after suspension.

Tips The app will give you the answer(s) you need It’s only as good as the info you put into it The match overs must always start on 50 Identify who else has the app to act as a check on the day Do separately and then compare/check with colleague/scorers Do it away from the players Don’t do it on the field! 27 27

Thank you for your attention Any Questions? Thank you for your attention