Official NHA Assessment

Race 4: www.gallop.co.za CLASS 4 (Open. Benchmark at 60.0kg = 80)

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Line Horse
Afropolitan
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
4 / 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    Corrupt              2    57.5    1    0.00     0.0   78    79           79    +1
2    Riccardo             7    58.0    2    0.70     0.0   76    85           85    +9
3    Afropolitan          6    58.0    3    1.00     0.0   84    84           84    +0
4    Blazing Light        3    52.5    4    1.05     1.5   65    70           70    +5
5    Magma Magic          4    57.5    5    3.85     0.5   75    79           79    +4
6    Deputy Chief         3    56.0    6    5.25     1.5   75    73           73    -2
7    Moola Man            4    62.0    7    6.55     0.5   84    87           87    +3
8    My Boy Lollipop      2    59.0    8    10.25    0.0   81    82           82    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Corrupt 78 82 79 +3 0.0 -
2 Riccardo 76 68 85 -17 0.0 -
3 Afropolitan Line 84 84 84 ✓ Match 0.0
4 Blazing Light 65 62 70 -8 1.5 -
5 Magma Magic 75 81 79 +2 0.5 -
6 Deputy Chief 75 64 73 -9 1.5 -
7 Moola Man 84 75 87 -12 0.5 -
8 My Boy Lollipop 81 79 82 -3 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