Official NHA Assessment
Race 6: RACEHORSE OWNERS ASSOCIATION MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)
Line Horse
Main Mission
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 8
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Strewn Sky 2 60.0 1 0.00 0.0 75 66 66 -9 2 Taxhaven 4 60.0 2 5.50 1.0 87 64 77 -10 3 Main Mission 2 60.0 3 6.75 0.0 66 66 66 +0 4 Japanese Maple 4 60.0 4 7.00 1.0 63 64 64 +1 5 Russian Lotus 3 60.0 5 14.25 2.5 - 61 61 +61 6 Douglas Dragon 3 60.0 6 22.25 2.5 78 61 68 -10 7 Hat Furious 4 60.0 7 27.75 1.0 62 64 64 +2 99 Master Tik Tok 5 58.5 99 0.00 0.0 - 63 63 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Strewn Sky | 75 | 69 | 66 | +3 | 0.0 | - | |
| 2 | Taxhaven | 87 | 96 | 77 | +19 | 1.0 | - | |
| 3 | Main Mission Line | 66 | 71 | 66 | +5 | 0.0 | ||
| 4 | Japanese Maple | 63 | 56 | 64 | -8 | 1.0 | - | |
| 5 | Russian Lotus | - | 59 | 61 | -2 | 2.5 | - | |
| 6 | Douglas Dragon | 78 | 89 | 68 | +21 | 2.5 | - | |
| 7 | Hat Furious | 62 | 53 | 64 | -11 | 1.0 | - | |
| 99 | Master Tik Tok | - | 80 | 63 | +17 | 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