Official NHA Assessment
Race 1: 4RACING WELCOMES YOU MAIDEN PLATE (F & M) (For Maiden F&M. R15 000 Win bonus ROA Members)
Line Horse
Zalta Star
Reference for assessment
Exact Matches
0 / 18
Calculated = Official
Close Matches
1 / 18
Within 2 points
Significant Diffs
16 / 18
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Sonic Jet 3 58.0 1 0.00 6.0 83 81 78 -5 2 Mocha Macaroon 4 60.0 2 5.25 3.5 73 90 90 +17 3 Messalina 3 58.0 3 7.00 6.0 73 81 81 +8 4 Zalta Star 3 55.5 4 7.10 6.0 76 76 76 +0 5 Asiah's Tiara 3 55.5 5 7.25 6.0 - 76 76 +76 6 Intro 3 58.0 6 8.00 6.0 70 81 81 +11 7 Like A Prayer 3 58.0 7 8.75 6.0 - 81 81 +81 8 Artic Silver 3 58.0 8 9.00 6.0 - 81 81 +81 9 Lady Fortezza 3 58.0 9 9.25 6.0 - 81 81 +81 10 Shamoon 3 58.0 10 10.25 6.0 - 81 81 +81 11 Red Sparrow 3 58.0 11 10.75 6.0 - 81 81 +81 12 Tik Tok Addiction 3 60.0 12 13.25 6.0 58 85 85 +27 13 Saudi Sweep 3 58.0 13 17.75 6.0 79 81 81 +2 14 Bella's Charm 3 58.0 14 18.50 6.0 70 81 81 +11 15 Sweet Sophia 3 58.0 15 39.75 6.0 - 81 81 +81 99 Beverly Baby 3 58.0 99 0.00 6.0 - 81 81 +0 99 Ghostbuster 4 60.0 99 0.00 3.5 - 90 90 +0 99 Fan The Flame 3 58.0 99 0.00 6.0 - 81 81 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Sonic Jet | 83 | 101 | 78 | +23 | 6.0 | - | |
| 2 | Mocha Macaroon | 73 | 72 | 90 | -18 | 3.5 | - | |
| 3 | Messalina | 73 | 71 | 81 | -10 | 6.0 | - | |
| 4 | Zalta Star Line | 76 | 77 | 76 | +1 | 6.0 | ||
| 5 | Asiah's Tiara | - | 56 | 76 | -20 | 6.0 | - | |
| 6 | Intro | 70 | 66 | 81 | -15 | 6.0 | - | |
| 7 | Like A Prayer | - | 63 | 81 | -18 | 6.0 | - | |
| 8 | Artic Silver | - | 77 | 81 | -4 | 6.0 | - | |
| 9 | Lady Fortezza | - | 54 | 81 | -27 | 6.0 | - | |
| 10 | Shamoon | - | 67 | 81 | -14 | 6.0 | - | |
| 11 | Red Sparrow | - | 55 | 81 | -26 | 6.0 | - | |
| 12 | Tik Tok Addiction | 58 | 54 | 85 | -31 | 6.0 | - | |
| 13 | Saudi Sweep | 79 | 68 | 81 | -13 | 6.0 | - | |
| 14 | Bella's Charm | 70 | 59 | 81 | -22 | 6.0 | - | |
| 15 | Sweet Sophia | - | 58 | 81 | -23 | 6.0 | - | |
| 99 | Beverly Baby | - | 53 | 81 | -28 | 6.0 | - | |
| 99 | Ghostbuster | - | 57 | 90 | -33 | 3.5 | - | |
| 99 | Fan The Flame | - | - | 81 | -81 | 6.0 | - |
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