Duckworth Lewis Stern Formula:
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The Duckworth Lewis Stern (DLS) method is a mathematical formulation used to calculate target scores in limited-overs cricket matches interrupted by weather or other circumstances. It provides a fair way to reset targets based on remaining resources.
The calculator uses the DLS formula:
Where:
Explanation: The equation adjusts the target score proportionally based on the percentage of resources (overs and wickets) lost during the match interruption.
Details: The DLS method ensures fair outcomes in rain-affected matches by accounting for the resources available to each team. It's the standard method used in international cricket.
Tips: Enter the par score in runs and the percentage of resources lost (0-100%). Both values must be valid positive numbers.
Q1: What exactly are "resources" in DLS?
A: Resources combine overs remaining and wickets in hand. The exact calculation uses published DLS tables and curves.
Q2: How is the par score determined?
A: The par score is typically the first innings total or a target set before interruption.
Q3: Why is DLS better than older methods?
A: DLS accounts for both overs and wickets, providing fairer targets than simple run-rate calculations.
Q4: When was DLS introduced?
A: The method was first introduced in 1997 (as D/L) and updated in 2014 (DLS).
Q5: Are there limitations to DLS?
A: DLS works best for professional matches. Very unusual match situations may require special interpretation.