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Duckworth-Lewis Calculator
Calculate fair targets for rain-affected cricket matches
DLS Calculator
Team 1 (Batting First)
Team 2 (Chasing)
DLS Analysis
243
Target to Win
runs required
242
Target to Draw
par score
242.0
Par Score
statistical equivalent
Resources Available
Team 1 Resources:100.0%
Team 2 Resources:90.3%
Resource Ratio:0.903
Interruption Type:Team 2's innings delayed
Match Summary
Team 1 Score:268 runs
Team 1 Overs:50
Team 2 Overs:45
Max Overs:50
DLS Calculation
268 × (90.3% / 100.0%) = 242.00
Formula: Team 2 Par = Team 1 Score × (Team 2 Resources / Team 1 Resources)
Example: Team 2 Cut Short
268
Team 1 Runs
45
Team 2 Overs
85.7%
Team 2 Resources
230
DLS Target
Team 2 used 85.7% resources (6 wickets lost, 5 overs remaining unused)
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DLS Method
Standard Edition
Uses resource percentage table
Available for public use
Based on historical data
Available for public use
Based on historical data
Two Resources
Overs available
Wickets in hand
Combined percentage
Wickets in hand
Combined percentage
G50 Value
245 runs (international)
Average first innings score
Adjustable for local cricket
Average first innings score
Adjustable for local cricket
Minimum Overs
20 overs required for ODI
Both teams must face
Valid DLS result
Both teams must face
Valid DLS result
Interruption Types
Delayed Start
Reduced overs from beginning
Early Finish
Match ends due to conditions
Mid-Innings
Play resumes after delay
First Innings
Affects setting the target
Famous DLS Scenarios
England vs South Africa
World Cup 1999 Semi-Final
Situation: South Africa needed 1 run from 1 ball when rain fell
Original: SA: 213/6 (43 overs)
Revised: Target revised to 214 from 43 overs
Result: Match tied, England advanced
Controversial DLS application
India vs Pakistan
Asia Cup 2018
Situation: Rain interrupted Pakistan innings
Original: India: 237/7 (50 overs)
Revised: Pakistan target: 136 from 21 overs
Result: India won by 8 runs (DLS)
Rain changed match dynamics
Australia vs England
Ashes ODI 2020
Situation: Multiple rain delays
Original: Australia: 294/9 (50 overs)
Revised: England target: 231 from 39 overs
Result: England won by 24 runs
DLS enabled fair result
Understanding the Duckworth-Lewis Method
What is DLS?
The Duckworth-Lewis-Stern (DLS) method is a mathematical formula designed to calculate fair targets for the team batting second in rain-affected limited-overs cricket matches. It was developed by Frank Duckworth and Tony Lewis, with Steven Stern taking over in 2014.
The Problem It Solves
- Rain interruptions: Weather delays affect available overs
- Aggressive play: Teams change tactics with reduced overs
- Wicket consideration: Simple run rate doesn't account for wickets
- Fair targets: Ensures statistically equivalent difficulty
Resource Calculation
- •Overs: Time available to score runs
- •Wickets: Batting resources in hand
- •Combined: Percentage of total resources available
- •Lookup table: Standard Edition uses predefined percentages
DLS Formulas
When Team 2 has fewer resources:
Target = Team 1 Score × (Team 2 Resources / Team 1 Resources)
When Team 2 has more resources:
Target = Team 1 Score + G50 × (Resource Difference / 100)
Pro Tip: The DLS method considers human psychology - teams play more aggressively when they have fewer overs, but this increases the risk of losing wickets. The method balances these two crucial resources to ensure fairness.
Historical Development
- •1997: Duckworth-Lewis method introduced
- •2014: Became Duckworth-Lewis-Stern (DLS)
- •Professional Edition: Used for international cricket
- •Standard Edition: Available for public use
Common DLS Scenarios
Delayed Start
- • Rain before match
- • Reduced overs for both teams
- • Simple resource adjustment
- • Target proportionally reduced
Early Finish
- • Rain during Team 2's innings
- • No further play possible
- • Calculate based on resources used
- • Account for wickets lost
Mid-Innings Break
- • Rain interrupts Team 2
- • Play resumes later
- • Complex resource calculation
- • Consider interruption timing
First Innings Affected
- • Team 1's innings interrupted
- • May increase or decrease target
- • Use G50 for extra resources
- • Most complex scenario
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