Official NHA Assessment

Race 1: WELCOME TO NELSON MANDELA BAY MAIDEN PLATE (For all Maidens)

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Line Horse
Aethelwulf
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
7 / 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    Divo Mondo           2    60.0    1    0.00     0.0   67    62           62    -5
2    Makajima             3    60.0    2    0.10     2.5   61    57           57    -4
3    Turbulent            3    60.0    3    0.85     2.5   81    61           71    -10
4    Monkey's Wedding     3    60.0    4    1.10     2.5   72    61           62    -10
5    Aethelwulf           2    60.0    5    1.20     0.0   66    66           66    +0
6    Bugle                2    60.0    6    2.45     0.0   66    64           64    -2
7    Dead Poets Society   2    56.0    7    4.20     0.0   65    55           55    -10
8    Norse Warrior        2    57.5    8    6.95     0.0   60    57           57    -3
9    Lucky Chance         2    53.5    9    7.70     0.0   74    49           64    -10
99   Miss Takes           4    57.5    99   0.00     1.5   -     54           54    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Divo Mondo 67 69 62 +7 0.0 -
2 Makajima 61 68 57 +11 2.5 -
3 Turbulent 81 81 71 +10 2.5 -
4 Monkey's Wedding 72 72 62 +10 2.5 -
5 Aethelwulf Line 66 66 66 ✓ Match 0.0
6 Bugle 66 65 64 +1 0.0 -
7 Dead Poets Society 65 62 55 +7 0.0 -
8 Norse Warrior 60 56 57 -1 0.0 -
9 Lucky Chance 74 74 64 +10 0.0 -
99 Miss Takes - 62 54 +8 1.5 -
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