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Everyday LifeGenerated accuracy model review: 2026-05-06
Golf Handicap accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- The USGA formula is: **Differential = (Score - Course Rating) × 113 / Slope Rating** 113 represents the slope of a standard difficulty course.
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Gross Score: 85
- Course Rating: 72
- Slope Rating: 113
Expected outputs
- Handicap Differential: 13
Known limitations
- This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
- Use the result as a planning estimate unless the calculator page states a stricter purpose.
Assumptions
- Gross score, course rating, and slope rating are entered from the same round.
- The formula follows the standard USGA differential method.
- This calculator does not produce an official handicap index by itself.
Unit handling
- Gross Score accepts numeric values.
- Course Rating accepts numeric values.
- Slope Rating accepts numeric values.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current golf-handicap-calculator calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Golf Handicap.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.