Official NHA Assessment
Race 2: BSA NATIONAL YEARLING SALE MERIT RATED 80 HANDICAP (Open)
Line Horse
Buster Barnes
Reference for assessment
Exact Matches
0 / 5
Calculated = Official
Close Matches
1 / 5
Within 2 points
Significant Diffs
4 / 5
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Tradition 4 59.5 1 0.00 3.0 79 80 79 +0 2 Buster Barnes 2 56.5 2 2.00 0.0 83 83 83 +0 3 Forgotten Time 3 55.0 3 4.00 5.0 70 68 68 -2 4 Justadoreher 5 55.0 4 9.00 0.0 70 77 77 +7 5 Battle Of Seattle 2 61.0 5 9.25 0.0 82 89 89 +7 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Tradition | 79 | 77 | 79 | -2 | 3.0 | - | |
| 2 | Buster Barnes Line | 83 | 101 | 83 | +18 | 0.0 | ||
| 3 | Forgotten Time | 70 | 76 | 68 | +8 | 5.0 | - | |
| 4 | Justadoreher | 70 | 68 | 77 | -9 | 0.0 | - | |
| 5 | Battle Of Seattle | 82 | 59 | 89 | -30 | 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