Official NHA Assessment

Race 1: HOLLYWOODBETS DURBANVILLE WELCOMES YOU MIDDLE STAKES (F & M) (For F & M 3-yrs and older with a nett rating of 95 & below

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Line Horse
Academic Gold
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
4 / 7
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    Fleeting             3    54.5    1    0.00     8.0   80    61           61    -19
2    Perfect Trust        7    52.0    2    0.20     0.0   74    72           72    -2
3    Academic Gold        5    56.0    3    1.70     0.0   83    83           83    +0
4    Official Secret      6    54.5    4    2.45     0.0   80    79           79    -1
5    Peut Etre Moi        3    56.0    5    4.70     8.0   83    64           73    -10
6    Black Silver         4    62.0    6    9.95     5.0   94    82           84    -10
99   Rewrite The Stars    5    50.0    99   0.00     0.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Fleeting 80 82 61 +21 8.0 -
2 Perfect Trust 74 50 72 -22 0.0 -
3 Academic Gold Line 83 80 83 -3 0.0
4 Official Secret 80 103 79 +24 0.0 -
5 Peut Etre Moi 83 68 73 -5 8.0 -
6 Black Silver 94 86 84 +2 5.0 -
99 Rewrite The Stars - 59 68 -9 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