Official NHA Assessment

Race 8: FOLLOWING CAPE RACING ON SOCIAL MEDIA MIDDLE STAKES (F & M) (For F & M with a nett rating of 102 & below)

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Line Horse
Winter Rainfall
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    Southern Skies       3    57.0    1    0.00     8.0   89    85           85    -4
2    Winter Rainfall      4    58.5    2    0.20     5.0   94    94           94    +0
3    Kyalami Girl         2    57.0    3    0.25     0.0   90    101          101   +11
4    Miss Marguerite      5    58.5    4    0.75     0.0   92    108          108   +16
5    Girl Like Us         4    55.5    5    0.80     5.0   84    92           92    +8
6    Lady Look Alike      4    55.5    6    2.30     5.0   86    90           90    +4
7    My Flower Fate       3    57.0    7    2.40     8.0   87    87           87    +0
8    Unconquerable Lady   2    60.0    8    3.65     0.0   97    108          108   +11
9    Night Vigil          4    55.5    9    5.65     5.0   86    88           88    +2
10   Easy Living          2    55.5    10   6.65     0.0   85    98           98    +13
11   Japanese Rose        3    58.5    11   8.15     8.0   92    88           88    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Southern Skies 89 97 85 +12 8.0 -
2 Winter Rainfall Line 94 87 94 -7 5.0
3 Kyalami Girl 90 88 101 -13 0.0 -
4 Miss Marguerite 92 91 108 -17 0.0 -
5 Girl Like Us 84 80 92 -12 5.0 -
6 Lady Look Alike 86 77 90 -13 5.0 -
7 My Flower Fate 87 86 87 -1 8.0 -
8 Unconquerable Lady 97 90 108 -18 0.0 -
9 Night Vigil 86 91 88 +3 5.0 -
10 Easy Living 85 52 98 -46 0.0 -
11 Japanese Rose 92 80 88 -8 8.0 -
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