Official NHA Assessment
Race 1: 4RACING WELCOMES YOU MAIDEN HANDICAP (For Maidens with 3 or more runs)
Line Horse
Empress Wu
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 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 Shimmering 2 54.5 1 0.00 0.5 76 64 76 +0 2 Trail Runner 3 60.0 2 0.70 1.5 73 73 73 +0 3 Empress Wu 3 57.5 3 3.20 1.5 68 68 68 +0 4 Fire Starter 2 58.0 4 5.20 0.5 83 71 73 -10 5 Touch Of Heaven 3 54.5 5 10.20 1.5 62 62 62 +0 6 Superior 3 52.0 6 11.60 1.5 47 57 57 +10 7 Solamente 3 52.0 7 14.60 1.5 35 57 57 +22 99 Dragonheart 2 52.0 99 0.00 0.5 - 59 59 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Shimmering | 76 | 74 | 76 | -2 | 0.5 | - | |
| 2 | Trail Runner | 73 | 75 | 73 | +2 | 1.5 | - | |
| 3 | Empress Wu Line | 68 | 61 | 68 | -7 | 1.5 | ||
| 4 | Fire Starter | 83 | 80 | 73 | +7 | 0.5 | - | |
| 5 | Touch Of Heaven | 62 | 57 | 62 | -5 | 1.5 | - | |
| 6 | Superior | 47 | 47 | 57 | -10 | 1.5 | - | |
| 7 | Solamente | 35 | 30 | 57 | -27 | 1.5 | - | |
| 99 | Dragonheart | - | 46 | 59 | -13 | 0.5 | - |
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