Official NHA Assessment

Race 5: TAB 4RACING APP MIDDLE STAKES (For All Horses)

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Line Horse
French Flame
Reference for assessment
Exact Matches
2 / 7
Calculated = Official
Close Matches
2 / 7
Within 2 points
Significant Diffs
5 / 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    Mr Fox               3    62.0    1    0.00     4.0   96    83           83    -13
2    Silvonian            3    58.0    2    1.25     4.0   86    79           79    -7
3    French Flame         2    56.0    3    1.75     0.0   82    82           82    +0
4    El Romiachi          8    52.0    4    5.25     0.0   81    71           71    -10
5    Pas De Nom           2    58.5    5    5.35     0.0   92    84           84    -8
6    Andy Coogle          2    58.0    6    18.10    0.0   83    83           83    +0
99   Dubai Hills          4    62.0    99   0.00     2.5   -     86           86    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mr Fox 96 99 83 +16 4.0 -
2 Silvonian 86 86 79 +7 4.0 -
3 French Flame Line 82 82 82 ✓ Match 0.0
4 El Romiachi 81 77 71 +6 0.0 -
5 Pas De Nom 92 91 84 +7 0.0 -
6 Andy Coogle 83 83 83 ✓ Match 0.0 -
99 Dubai Hills - 95 86 +9 2.5 -
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