Official NHA Assessment

Race 2: KENILWORTH FILLIES NURSERY (Grade 3) (For 2 year-old Fillies)

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Line Horse
None identified
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
10 / 11
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    Epsom Girl           2    60.0    1    0.00     3.0   -     -            -     +0
2    Spywing              2    60.0    2    0.50     3.0   -     -            -     +0
3    Pucallpa             2    60.0    3    0.80     3.0   -     -            -     +0
4    Philosophise         5    60.0    4    3.55     0.0   -     -            -     +0
5    Primula              2    60.0    5    4.80     3.0   -     -            -     +0
6    Lady Mistico         2    60.0    6    5.30     3.0   -     -            -     +0
7    Bella Mo             2    60.0    7    6.05     3.0   -     -            -     +0
8    White Witch          2    60.0    8    6.25     3.0   -     -            -     +0
9    Star In Winter       2    60.0    9    6.65     3.0   -     -            -     +0
10   Body Electric        2    60.0    10   6.75     3.0   -     -            -     +0
99   Absolute Pleasure    2    60.0    99   0.00     3.0   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Epsom Girl - 88 - +88 3.0 -
2 Spywing - 85 - +85 3.0 -
3 Pucallpa - 70 - +70 3.0 -
4 Philosophise - 80 - +80 0.0 -
5 Primula - 57 - +57 3.0 -
6 Lady Mistico - 75 - +75 3.0 -
7 Bella Mo - 62 - +62 3.0 -
8 White Witch - 52 - +52 3.0 -
9 Star In Winter - 72 - +72 3.0 -
10 Body Electric - 85 - +85 3.0 -
99 Absolute Pleasure - 69 - - 3.0 -
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