Official NHA Assessment

Race 2: WWW.HIGHVELDRACING.CO.ZA MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Ray Indigo
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 10
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    Ray Indigo           3    60.0    1    0.00     2.0   64    64           64    +0
2    Picara               3    60.0    2    0.20     2.0   67    64           64    -3
3    Angelofthemorning    3    60.0    3    1.20     2.0   -     68           68    +68
4    Ideal Future         6    60.0    4    1.75     0.0   -     71           71    +71
5    Plum Volante         4    60.0    5    5.50     1.0   36    66           66    +30
6    Graphene Aerogel     3    60.0    6    6.00     2.0   -     64           64    +64
7    Sarayu               3    60.0    7    12.00    2.0   38    64           64    +26
99   Magic Town           3    60.0    99   0.00     2.0   -     64           64    +0
99   Lazer Grace          3    60.0    99   0.00     2.0   -     64           64    +0
99   Special Plea         3    60.0    99   0.00     2.0   -     64           64    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ray Indigo Line 64 58 64 -6 2.0
2 Picara 67 64 64 ✓ Match 2.0 -
3 Angelofthemorning - 48 68 -20 2.0 -
4 Ideal Future - 72 71 +1 0.0 -
5 Plum Volante 36 44 66 -22 1.0 -
6 Graphene Aerogel - 59 64 -5 2.0 -
7 Sarayu 38 38 64 -26 2.0 -
99 Magic Town - 68 64 +4 2.0 -
99 Lazer Grace - 44 64 -20 2.0 -
99 Special Plea - 54 64 -10 2.0 -
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