Official NHA Assessment
Race 1: EQUUS CHAMPION TWO-YEAR-OLD MALE SANDRINGHAM SUMMIT MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)
Line Horse
What A Lucy
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
8 / 10
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Daring Act 4 60.0 1 0.00 12.0 82 2 2 -80 2 What A Lucy 3 57.5 2 3.00 10.5 - - - +0 3 Signora Bomba 2 57.5 3 6.50 7.0 63 7 53 -10 4 Nkandla Gold 4 57.5 4 6.75 12.0 - -3 - +0 5 Jack Frost 2 60.0 5 9.50 7.0 74 12 64 -10 6 Chilli Marmalade 5 59.5 6 10.25 0.0 63 25 53 -10 7 Eiger Sanction 3 60.0 7 11.25 10.5 - 5 5 +5 8 Admiral Francis 3 60.0 8 13.50 10.5 - 5 5 +5 9 Queen Of Verona 2 57.5 9 21.75 7.0 35 7 25 -10 99 Trombettista 2 60.0 99 0.00 7.0 - 12 12 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Daring Act | 82 | 60 | 2 | +58 | 12.0 | - | |
| 2 | What A Lucy Line | - | 81 | - | +81 | 10.5 | ||
| 3 | Signora Bomba | 63 | 69 | 53 | +16 | 7.0 | - | |
| 4 | Nkandla Gold | - | 63 | - | +63 | 12.0 | - | |
| 5 | Jack Frost | 74 | 67 | 64 | +3 | 7.0 | - | |
| 6 | Chilli Marmalade | 63 | 48 | 53 | -5 | 0.0 | - | |
| 7 | Eiger Sanction | - | 79 | 5 | +74 | 10.5 | - | |
| 8 | Admiral Francis | - | 49 | 5 | +44 | 10.5 | - | |
| 9 | Queen Of Verona | 35 | 34 | 25 | +9 | 7.0 | - | |
| 99 | Trombettista | - | 63 | 12 | +51 | 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