Official NHA Assessment
Race 3: WWW.TAB4RACING.COM MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)
Line Horse
Spy Story
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
8 / 9
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Chariot Of Fire 3 59.0 1 0.00 5.0 69 69 69 +0 2 Spy Story 3 59.0 2 1.25 5.0 73 73 73 +0 3 The Ultimate King 3 59.0 3 2.00 5.0 - 72 72 +72 4 Royal Miracle 3 59.0 4 3.30 5.0 63 70 70 +7 5 Page Boy 3 59.0 5 5.50 5.0 - 69 69 +69 6 Livebythesword 2 57.5 6 6.50 0.0 64 76 76 +12 7 Stand Up 3 59.0 7 15.75 5.0 - 69 69 +69 99 Immediate Edge 3 59.0 99 0.00 5.0 - 69 69 +0 99 Hong Kong Lucky 3 59.0 99 0.00 5.0 - 69 69 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Chariot Of Fire | 69 | 77 | 69 | +8 | 5.0 | - | |
| 2 | Spy Story Line | 73 | 66 | 73 | -7 | 5.0 | ||
| 3 | The Ultimate King | - | 117 | 72 | +45 | 5.0 | - | |
| 4 | Royal Miracle | 63 | 66 | 70 | -4 | 5.0 | - | |
| 5 | Page Boy | - | 79 | 69 | +10 | 5.0 | - | |
| 6 | Livebythesword | 64 | 59 | 76 | -17 | 0.0 | - | |
| 7 | Stand Up | - | 62 | 69 | -7 | 5.0 | - | |
| 99 | Immediate Edge | - | 108 | 69 | +39 | 5.0 | - | |
| 99 | Hong Kong Lucky | - | - | 69 | -69 | 5.0 | - |
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