Official NHA Assessment
Race 2: CAPE TURF CLUB SYNDICATES MIDDLE STAKES (F & M) (For Fillies and Mares with a nett rating of 102 & below)
Line Horse
My Only Weakness
Reference for assessment
Exact Matches
0 / 6
Calculated = Official
Close Matches
1 / 6
Within 2 points
Significant Diffs
3 / 6
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Russian Royal 3 50.0 1 0.00 1.0 81 74 74 -7 2 Kamchatka 3 57.0 2 1.50 1.0 90 91 91 +1 3 My Only Weakness 3 55.5 3 3.25 1.0 87 87 87 +0 4 Royals 2 61.5 4 3.65 0.0 100 100 100 +0 5 Gimmethatpearl 3 60.0 5 4.90 1.0 98 94 94 -4 6 Dixieland Band 2 51.5 6 8.40 0.0 89 79 79 -10 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Russian Royal | 81 | 87 | 74 | +13 | 1.0 | - | |
| 2 | Kamchatka | 90 | 93 | 91 | +2 | 1.0 | - | |
| 3 | My Only Weakness Line | 87 | 84 | 87 | -3 | 1.0 | ||
| 4 | Royals | 100 | 94 | 100 | -6 | 0.0 | - | |
| 5 | Gimmethatpearl | 98 | 98 | 94 | +4 | 1.0 | - | |
| 6 | Dixieland Band | 89 | 72 | 79 | -7 | 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