Cricket DLS Rain Target & Par Score Calculator
Calculate Duckworth-Lewis-Stern revised targets, resource percentage losses, and real-time over-by-over par scores.
1. Match Format & Team 1 Innings
2. Rain Interruption (Team 2 Chase)
Target Score & Resource Loss
142
To Win in 14.0 Overs10.14
Runs per Over100.0%
20.0 Overs76.3%
14.0 OversReal-Time Over-by-Over DLS Par Score Table
Wickets in Hand| Over | 0 Wkts | 1 Wkt | 2 Wkts | 3 Wkts | 5 Wkts |
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The 22 Runs in 1 Ball Nightmare: Why the 1992 World Cup Rain Rule Was Replaced by Duckworth-Lewis-Stern
A historical engineering analysis of Most Productive Overs, the Average Run Rate flaw, and the exponential 2-resource DLS formulation.
The Birth of the 2-Resource Concept
Prior to DLS, rain interruptions in cricket were handled by crude methods like Average Run Rate (ARR) or Most Productive Overs (MPO). These failed because they treated scoring runs as a linear function of overs, ignoring that batting teams allocate aggressive stroke-play based on wickets in hand. Statisticians Frank Duckworth and Tony Lewis realized that a team with 10 wickets left in 20 overs can score far faster than a team batting over 50 overs, inventing the exponential resource decay curve $R(u, w)$.
The 1992 Sydney Semi-Final Farce
In the 1992 World Cup Semi-Final between England and South Africa, South Africa needed 22 runs off 13 balls. A brief 12-minute rain shower stopped play:
Deducted 2 maiden overs
Target was reduced by 0 runs!
Requirement: 22 runs off 1 ball
Calculates resource reduction
Accounts for SA's 6 wickets lost
Requirement: 4 runs off 1 ball
Provides fair sporting finish
Adopted worldwide by ICC in 1999
Refined to DLS with Prof. Stern in 2014
DLS Resource Percentage Matrix (Standard Decay)
| Overs Remaining | 0 Wickets Lost | 2 Wickets Lost | 5 Wickets Lost | 8 Wickets Lost |
|---|---|---|---|---|
| 50 Overs (ODI Start) | 100.0% | 83.8% | 49.5% | 17.9% |
| 20 Overs (T20 Start) | 56.6% | 52.4% | 37.6% | 16.8% |
| 10 Overs Left | 34.1% | 32.8% | 26.1% | 14.3% |
| 5 Overs Left | 19.3% | 18.9% | 16.4% | 10.6% |
The Chasing Team's DLS Par Score Rule
When batting second under threatening rain clouds, wickets in hand are paramount. Losing 2 quick wickets causes your DLS par score to jump by 12 to 20 runs instantly. Captains must maintain a positive net run rate above the DLS par curve while avoiding reckless shots that deplete wicket resources.
Frequently Asked Questions (DLS Cricket)
What is the Duckworth-Lewis-Stern (DLS) method in cricket?
The Duckworth-Lewis-Stern (DLS) method is a mathematical formulation used to calculate the target score for the team batting second in a limited-overs cricket match interrupted by weather or adverse conditions. It treats wickets in hand and overs remaining as two combined resources required to score runs.
What is the difference between a DLS Target and a DLS Par Score?
The DLS Target is the total number of runs Team 2 must score to win when the overs for the chase have been permanently reduced. The DLS Par Score is the intermediate score that Team 2 must have reached at the exact moment play is stopped (e.g. for rain) given their current overs and wickets lost to win if no further play is possible.
Why did the DLS method replace the 1992 Most Productive Overs rule?
The 1992 Most Productive Overs (MPO) rule famously led to the 1992 World Cup semi-final farce where South Africa went from needing 22 runs off 13 balls to needing an impossible 22 runs off 1 ball after a 12-minute rain delay, because the rule deducted the opponent's least productive overs rather than adjusting for resources lost.