Official NHA Assessment
Race 9: NEXT TURFFONTEIN RACEMEETING THURSDAY 29 FEBRUARY FM 86 HANDICAP (F & M) (For Fillies and Mares)
Line Horse
Nettleton
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
7 / 12
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Law Of Success 3 53.0 1 0.00 4.5 72 72 72 +0 2 Nettleton 3 56.5 2 2.00 4.5 79 79 79 +0 3 White Hills 2 57.0 3 2.25 3.0 86 83 83 -3 4 Articuno 2 54.5 4 2.50 3.0 81 78 78 -3 5 Work Of Time 2 55.5 5 2.75 3.0 83 80 80 -3 6 There She Goes 6 56.0 6 5.00 0.0 86 87 87 +1 7 Wings Of Nike 6 53.0 7 6.50 0.0 72 81 81 +9 8 Virginia Beach 2 59.0 8 7.70 3.0 90 87 87 -3 9 Women Of Fame 2 55.5 9 8.50 3.0 83 80 80 -3 10 National Star 2 58.0 10 10.50 3.0 82 85 85 +3 99 Happy Analia 4 55.0 99 0.00 5.0 - 75 75 +0 99 Virgin River 5 57.0 99 0.00 0.0 - 89 89 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Law Of Success | 72 | 81 | 72 | +9 | 4.5 | - | |
| 2 | Nettleton Line | 79 | 100 | 79 | +21 | 4.5 | ||
| 3 | White Hills | 86 | 66 | 83 | -17 | 3.0 | - | |
| 4 | Articuno | 81 | 80 | 78 | +2 | 3.0 | - | |
| 5 | Work Of Time | 83 | 75 | 80 | -5 | 3.0 | - | |
| 6 | There She Goes | 86 | 77 | 87 | -10 | 0.0 | - | |
| 7 | Wings Of Nike | 72 | 68 | 81 | -13 | 0.0 | - | |
| 8 | Virginia Beach | 90 | 82 | 87 | -5 | 3.0 | - | |
| 9 | Women Of Fame | 83 | 79 | 80 | -1 | 3.0 | - | |
| 10 | National Star | 82 | 75 | 85 | -10 | 3.0 | - | |
| 99 | Happy Analia | - | 78 | 75 | +3 | 5.0 | - | |
| 99 | Virgin River | - | 95 | 89 | +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