Official NHA Assessment
Race 1: HOLLYWOODBETS DURBANVILLE WELCOMES YOU MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)
Line Horse
I'll Slip Away
Reference for assessment
Exact Matches
1 / 16
Calculated = Official
Close Matches
2 / 16
Within 2 points
Significant Diffs
13 / 16
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Gimme's Lassie 5 58.0 1 0.00 0.0 - -1 - +0 2 Allende 3 58.0 2 0.30 8.0 - -12 - +0 3 Say Yes 2 58.0 3 1.55 0.0 76 2 66 -10 4 I'll Slip Away 2 58.0 4 3.30 0.0 - - - +0 5 F Eight 2 58.0 5 5.05 0.0 - -1 - +0 6 Majestic Queen 3 58.0 6 5.25 8.0 - -17 - +0 7 Defining Moment 2 58.0 7 5.55 0.0 73 -1 63 -10 8 Wayward Girl 3 60.0 8 6.80 8.0 57 -13 47 -10 9 Yaya Maria 2 58.0 9 7.80 0.0 - -1 - +0 10 Mary Lamb 3 58.0 10 9.05 8.0 - -17 - +0 11 Dawn Dancer 2 58.0 11 11.55 0.0 - -1 - +0 12 Simply Beautiful 3 60.0 12 12.55 8.0 70 -13 60 -10 13 Chililabombwe 3 58.0 13 17.80 8.0 - -17 - +0 99 Everlasting 2 58.0 99 0.00 0.0 - -1 -1 +0 99 Hundredfifthavenue 2 58.0 99 0.00 0.0 - -1 -1 +0 99 Namibian Queen 3 58.0 99 0.00 8.0 - -17 -17 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Gimme's Lassie | - | 101 | - | +101 | 0.0 | - | |
| 2 | Allende | - | 71 | - | +71 | 8.0 | - | |
| 3 | Say Yes | 76 | 90 | 66 | +24 | 0.0 | - | |
| 4 | I'll Slip Away Line | - | 51 | - | +51 | 0.0 | ||
| 5 | F Eight | - | 61 | - | +61 | 0.0 | - | |
| 6 | Majestic Queen | - | - | - | ✓ Match | 8.0 | - | |
| 7 | Defining Moment | 73 | 64 | 63 | +1 | 0.0 | - | |
| 8 | Wayward Girl | 57 | 56 | 47 | +9 | 8.0 | - | |
| 9 | Yaya Maria | - | 60 | - | +60 | 0.0 | - | |
| 10 | Mary Lamb | - | 76 | - | +76 | 8.0 | - | |
| 11 | Dawn Dancer | - | 50 | - | +50 | 0.0 | - | |
| 12 | Simply Beautiful | 70 | 55 | 60 | -5 | 8.0 | - | |
| 13 | Chililabombwe | - | 64 | - | +64 | 8.0 | - | |
| 99 | Everlasting | - | 73 | -1 | +74 | 0.0 | - | |
| 99 | Hundredfifthavenue | - | 57 | -1 | +58 | 0.0 | - | |
| 99 | Namibian Queen | - | 48 | -17 | +65 | 8.0 | - |
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