Official NHA Assessment
Race 2: BETWAY TOTE REWARDS CLUB NOVICE PLATE (Maidens & 1 time Winners)
Line Horse
Eyjafjallajokull
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 7
Within 2 points
Significant Diffs
5 / 7
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Acorn 2 59.5 1 0.00 0.0 89 76 76 -13 2 Eyjafjallajokull 2 60.0 2 0.25 0.0 77 77 77 +0 3 Empire Blue 4 57.0 3 1.00 5.0 78 65 68 -10 4 Lord Nelson 3 59.5 4 5.50 8.0 70 60 60 -10 5 Woodland Ridge 2 60.0 5 5.75 0.0 68 77 77 +9 6 Last Storm 2 59.0 6 6.25 0.0 71 75 75 +4 99 Green Falcon 2 59.0 99 0.00 0.0 - 75 75 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Acorn | 89 | 89 | 76 | +13 | 0.0 | - | |
| 2 | Eyjafjallajokull Line | 77 | 86 | 77 | +9 | 0.0 | ||
| 3 | Empire Blue | 78 | 71 | 68 | +3 | 5.0 | - | |
| 4 | Lord Nelson | 70 | 55 | 60 | -5 | 8.0 | - | |
| 5 | Woodland Ridge | 68 | 69 | 77 | -8 | 0.0 | - | |
| 6 | Last Storm | 71 | 66 | 75 | -9 | 0.0 | - | |
| 99 | Green Falcon | - | 62 | 75 | -13 | 0.0 | - |
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