Official NHA Assessment

Race 3: WWW.HIGHVELDRACING.CO.ZA MAIDEN JUVENILE PLATE (Fillies) (For Maiden 2 year-old Fillies)

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Line Horse
None identified
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
7 / 8
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Light Of Day         5    60.0    1    0.00     0.0   -     -            -     +0
2    Tulip Tree           2    60.0    2    0.10     0.0   -     -            -     +0
3    Raratonga Rose       2    60.0    3    3.00     0.0   -     -            -     +0
4    A Colourful Past     2    60.0    4    5.25     0.0   -     -            -     +0
5    On The Guest List    2    60.0    5    5.50     0.0   -     -            -     +0
6    Kitty Corner         2    60.0    6    8.25     0.0   -     -            -     +0
7    Princess Zenobia     2    58.5    7    14.00    0.0   -     -            -     +0
99   Intoxicating         2    60.0    99   0.00     0.0   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Light Of Day - 61 - +61 0.0 -
2 Tulip Tree - 96 - +96 0.0 -
3 Raratonga Rose - 80 - +80 0.0 -
4 A Colourful Past - 66 - +66 0.0 -
5 On The Guest List - 57 - +57 0.0 -
6 Kitty Corner - 60 - +60 0.0 -
7 Princess Zenobia - 49 - +49 0.0 -
99 Intoxicating - 75 - - 0.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. 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