Official NHA Assessment

Race 5: KWAZULU-NATAL STAKES (For All Horses - Non Black Type)

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Line Horse
African Skyline
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 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    Teflon Man           4    55.5    1    0.00     4.0   102   94           94    -8
2    African Skyline      6    55.5    2    0.40     0.0   102   102          102   +0
3    Mr Master Starter    6    54.0    3    0.70     0.0   98    99           99    +1
4    Good Traveller       6    52.5    4    1.10     0.0   95    96           96    +1
5    Celtic Beauty        4    53.0    5    2.20     4.0   101   89           91    -10
6    Smorgasbord          6    51.0    6    3.40     0.0   86    93           93    +7
7    Shipholia            5    54.5    7    3.80     0.0   105   100          100   -5
8    Anfields Rocket      5    61.5    8    5.90     0.0   113   114          114   +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Teflon Man 102 106 94 +12 4.0 -
2 African Skyline Line 102 98 102 -4 0.0
3 Mr Master Starter 98 97 99 -2 0.0 -
4 Good Traveller 95 108 96 +12 0.0 -
5 Celtic Beauty 101 96 91 +5 4.0 -
6 Smorgasbord 86 77 93 -16 0.0 -
7 Shipholia 105 104 100 +4 0.0 -
8 Anfields Rocket 113 106 114 -8 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