Official NHA Assessment
Race 3: BSA KZN YEARLING SALE MERIT RATED 65 HANDICAP (Open)
Line Horse
My Secret Place
Reference for assessment
Exact Matches
0 / 6
Calculated = Official
Close Matches
0 / 6
Within 2 points
Significant Diffs
3 / 6
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Duchess Of War 2 56.5 1 0.00 0.0 59 55 59 +0 2 My Secret Place 5 58.0 2 1.25 0.0 62 62 62 +0 3 Bruce's Spirit 6 60.0 3 1.50 0.0 65 65 65 +0 4 Follow The Band 2 52.0 4 3.25 0.0 56 48 48 -8 5 Eastern World 3 54.0 5 11.25 7.0 54 36 44 -10 6 Evocative 3 52.0 6 16.25 7.0 50 32 40 -10 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Duchess Of War | 59 | 55 | 59 | -4 | 0.0 | - | |
| 2 | My Secret Place Line | 62 | 71 | 62 | +9 | 0.0 | ||
| 3 | Bruce's Spirit | 65 | 55 | 65 | -10 | 0.0 | - | |
| 4 | Follow The Band | 56 | 53 | 48 | +5 | 0.0 | - | |
| 5 | Eastern World | 54 | 52 | 44 | +8 | 7.0 | - | |
| 6 | Evocative | 50 | 44 | 40 | +4 | 7.0 | - |
Assessment Methodology
Calculation Steps:
- Identify Line Horse - consistent performer used as reference
- Calculate WFA Allowance based on age, distance, and month
- Apply Drag Adjustment for beaten margin
- Calculate Actual Weight Performance:
Weight - Drag - WFA - Compare to Line Horse to determine race rating
- Apply special rules (maiden caps, layoff allowance)
Key Formulas:
- Drag Effect: Varies by distance (see Benchmarks page)
- 1 length ≈ 1kg at 1 mile (1600m)
- WFA Scale: Based on Admiral Rous's 1855 table
- Rating Points: 1kg = 2 rating points