Official NHA Assessment
Race 1: ALOWELL MERIT RATED 65 HANDICAP (Open)
Line Horse
Bello Grosso
Reference for assessment
Exact Matches
0 / 6
Calculated = Official
Close Matches
2 / 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 Captive Moon 6 60.0 1 0.00 0.0 65 60 65 +0 2 Bello Grosso 2 59.0 2 0.50 0.0 63 63 63 +0 3 When Evening Comes 5 56.0 3 0.60 0.0 57 57 57 +0 4 Duchess Of War 2 58.5 4 2.35 0.0 62 59 59 -3 5 Follow The Band 2 56.0 5 3.10 0.0 60 54 54 -6 6 Bruce's Spirit 6 60.0 6 3.60 0.0 65 61 61 -4 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Captive Moon | 65 | 75 | 65 | +10 | 0.0 | - | |
| 2 | Bello Grosso Line | 63 | 72 | 63 | +9 | 0.0 | ||
| 3 | When Evening Comes | 57 | 58 | 57 | +1 | 0.0 | - | |
| 4 | Duchess Of War | 62 | 55 | 59 | -4 | 0.0 | - | |
| 5 | Follow The Band | 60 | 53 | 54 | -1 | 0.0 | - | |
| 6 | Bruce's Spirit | 65 | 55 | 61 | -6 | 0.0 | - |
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