Official NHA Assessment
Race 5: WISHING YOU A MERRY FESTIVE SEASON CONDITIONS PLATE (For all Horses with at least one win)
Line Horse
Kaiboy
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 Elusive Winter 4 52.0 1 0.00 7.0 98 96 96 -2 2 Tenango 4 59.5 2 2.50 7.0 126 111 116 -10 3 Kaiboy 2 55.5 3 4.50 4.0 109 109 109 +0 4 Lucky Lad 4 61.0 4 4.80 7.0 123 114 114 -9 5 Fire Attack 3 54.0 5 8.05 6.0 126 102 116 -10 99 Un Bel Di 3 52.0 99 0.00 6.0 - 98 98 +0 99 Mexican Pete 3 49.0 99 0.00 6.0 - 92 92 +0 99 Winter Snap 2 51.5 99 0.00 4.0 - 101 101 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Elusive Winter | 98 | 104 | 96 | +8 | 7.0 | - | |
| 2 | Tenango | 126 | 126 | 116 | +10 | 7.0 | - | |
| 3 | Kaiboy Line | 109 | 108 | 109 | -1 | 4.0 | ||
| 4 | Lucky Lad | 123 | 118 | 114 | +4 | 7.0 | - | |
| 5 | Fire Attack | 126 | 124 | 116 | +8 | 6.0 | - | |
| 99 | Un Bel Di | - | 99 | 98 | +1 | 6.0 | - | |
| 99 | Mexican Pete | - | 84 | 92 | -8 | 6.0 | - | |
| 99 | Winter Snap | - | 108 | 101 | +7 | 4.0 | - |
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