Official NHA Assessment

Race 6: MARULA SPRINT (For all horses - Non-Black Type)

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Line Horse
African Skyline
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
10 / 12
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    Captain Fontane      4    58.5    1    0.00     6.0   103   85           85    -18
2    African Skyline      6    54.0    2    0.05     0.0   88    88           88    +0
3    Sikhulu              3    54.5    3    1.15     5.0   90    79           80    -10
4    Aqua Bolt            5    57.0    4    1.55     0.0   100   94           94    -6
5    Pray For Rain        4    58.5    5    2.05     6.0   102   85           92    -10
6    Spydas Corner        4    55.5    6    2.35     6.0   92    79           82    -10
7    Wishful Girl Linn    5    53.0    7    2.65     0.0   92    86           86    -6
8    Passage Of Power     6    54.0    8    3.70     0.0   90    88           88    -2
9    Ishnana              7    58.5    9    6.50     0.0   104   97           97    -7
10   Intrepid             3    54.0    10   7.20     5.0   91    78           81    -10
99   Vihaan's Pie         4    53.0    99   0.00     6.0   -     74           74    +0
99   Pearl Of Asia        5    60.0    99   0.00     0.0   -     100          100   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Captain Fontane 103 109 85 +24 6.0 -
2 African Skyline Line 88 98 88 +10 0.0
3 Sikhulu 90 94 80 +14 5.0 -
4 Aqua Bolt 100 84 94 -10 0.0 -
5 Pray For Rain 102 106 92 +14 6.0 -
6 Spydas Corner 92 82 82 ✓ Match 6.0 -
7 Wishful Girl Linn 92 85 86 -1 0.0 -
8 Passage Of Power 90 76 88 -12 0.0 -
9 Ishnana 104 83 97 -14 0.0 -
10 Intrepid 91 73 81 -8 5.0 -
99 Vihaan's Pie - 91 74 +17 6.0 -
99 Pearl Of Asia - 107 100 +7 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