Official NHA Assessment
Race 1: HOLLYWOODBETS KENILWORTH WELCOMES YOU MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)
Line Horse
Nile The Boss
Reference for assessment
Exact Matches
0 / 17
Calculated = Official
Close Matches
1 / 17
Within 2 points
Significant Diffs
16 / 17
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Night Vigil 4 60.0 1 0.00 7.0 - 78 6 +6 2 Kaapse Hoop 3 60.0 2 0.75 6.0 - 80 80 +80 3 First Masterpiece 4 60.0 3 1.50 7.0 64 78 78 +14 4 Amber Rock 2 60.0 4 1.80 4.0 - 84 84 +84 5 Lucy Rocket 4 60.0 5 1.85 7.0 - 78 78 +78 6 Pushing Limits 3 60.0 6 1.90 6.0 - 80 80 +80 7 Nile The Boss 4 60.0 7 4.15 7.0 78 78 78 +0 8 Lead To Glory 4 60.0 8 5.90 7.0 - 78 78 +78 9 Cotonou 3 60.5 9 7.90 6.0 - 81 81 +81 10 Kalikaa 3 60.0 10 8.30 6.0 - 80 80 +80 11 Shout At The Moon 3 60.0 11 8.80 6.0 - 80 80 +80 12 Silvaware 3 60.0 12 9.10 6.0 - 80 80 +80 13 Mrs Shackleton 2 60.0 13 9.40 4.0 54 84 84 +30 14 Quiet Whisper 2 60.0 14 11.40 4.0 - 84 84 +84 15 Little Lexi 3 60.0 15 13.15 6.0 - 80 80 +80 16 Oriental Dream 3 60.0 16 15.40 6.0 - 80 80 +80 99 Look Forward 3 60.0 99 0.00 6.0 - 80 80 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Night Vigil | - | 91 | 6 | +85 | 7.0 | - | |
| 2 | Kaapse Hoop | - | 73 | 80 | -7 | 6.0 | - | |
| 3 | First Masterpiece | 64 | 86 | 78 | +8 | 7.0 | - | |
| 4 | Amber Rock | - | 86 | 84 | +2 | 4.0 | - | |
| 5 | Lucy Rocket | - | 69 | 78 | -9 | 7.0 | - | |
| 6 | Pushing Limits | - | 73 | 80 | -7 | 6.0 | - | |
| 7 | Nile The Boss Line | 78 | 52 | 78 | -26 | 7.0 | ||
| 8 | Lead To Glory | - | 52 | 78 | -26 | 7.0 | - | |
| 9 | Cotonou | - | 56 | 81 | -25 | 6.0 | - | |
| 10 | Kalikaa | - | 63 | 80 | -17 | 6.0 | - | |
| 11 | Shout At The Moon | - | 45 | 80 | -35 | 6.0 | - | |
| 12 | Silvaware | - | 49 | 80 | -31 | 6.0 | - | |
| 13 | Mrs Shackleton | 54 | 50 | 84 | -34 | 4.0 | - | |
| 14 | Quiet Whisper | - | 53 | 84 | -31 | 4.0 | - | |
| 15 | Little Lexi | - | 59 | 80 | -21 | 6.0 | - | |
| 16 | Oriental Dream | - | 53 | 80 | -27 | 6.0 | - | |
| 99 | Look Forward | - | 50 | 80 | -30 | 6.0 | - |
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