Required Run Rate Chase Calculator
Budget actual cricket chase legal balls to caller winning target (already includes winning run), overs six legal balls not decimal notation; wickets/extras/DLS excluded.
Description
A chase target must already include the winning run.
A chase target must already include the winning run. Legal balls convert to six-ball overs without decimal-over notation.1
The returned values include Runs needed to reach target, Required runs per six ball over. The How section below explains the calculation, input rules and interpretation.
When to use Required Run Rate Chase Calculator
Use Required Run Rate Chase Calculator when you need to evaluate the supplied records under the calculation and evidence rules below. Wickets, extras and DLS adjustments are excluded.
Prepare the observed race, match or training records and the stated units. Supply independently verified rule editions, calibration tables and targets where requested.
How to use Required Run Rate Chase Calculator and understand its results
- Prepare the observed race, match or training records and the stated units. Supply independently verified rule editions, calibration tables and targets where requested.
- Enter callerTargetRuns, observedCurrentRuns, observedRemainingLegalBalls using the field table and calculation rules, then run the tool.
- Read runsNeededToReachTarget, requiredRunsPerSixBallOver. The explanation below defines the units, signs, ordering and any flags or placeholder values.
- If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
| Input field | Meaning | Value type; see rules below | Requirement |
|---|---|---|---|
| callerTargetRuns | Caller target runs | number | Required |
| observedCurrentRuns | Observed current runs | number | Required |
| observedRemainingLegalBalls | Observed remaining legal balls | number | Required |
Enter integer target 1–1000000,current runs 0–1000000 and remaining balls 1–1000000. Return needed runs and required runs per six-ball over.
needed=max(0,target−current); requiredRate=needed×6/remainingBalls Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| runsNeededToReachTarget | Runs needed to reach target | number |
| requiredRunsPerSixBallOver | Required runs per six ball over | number |
{
"input": {
"callerTargetRuns": 201,
"observedCurrentRuns": 100,
"observedRemainingLegalBalls": 60
},
"output": {
"runsNeededToReachTarget": 101,
"requiredRunsPerSixBallOver": 10.1
}
}Limitations and assumptions
Wickets, extras and DLS adjustments are excluded.
Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.
Alternative or Complementary methods
Use Batting Strike Rate Calculator: Batting strike rate uses runs per hundred legal balls faced. It differs from an innings average or team run rate. For a complementary task, use Team Net Run Rate Calculator: Net run rate uses pooled scoring and conceding exposures. Effective ball counts may need caller adjustments for all-out quotas or exclusions.
References
-
Required Run Rate Chase Calculator — tool.io
Similar or alternative tools
- Batting Strike Rate Calculator
Batting strike rate uses runs per hundred legal balls faced. It differs from an innings average or team run rate.
- Team Net Run Rate Calculator
Net run rate uses pooled scoring and conceding exposures. Effective ball counts may need caller adjustments for all-out quotas or exclusions.