Official NHA Assessment

Race 3: KENILWORTH CUP (Listed) (For All Horses)

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Line Horse
Follow The Star
Reference for assessment
Exact Matches
1 / 7
Calculated = Official
Close Matches
3 / 7
Within 2 points
Significant Diffs
3 / 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    Salvator Mundi       4    55.5    1    0.00     4.0   97    83           83    -14
2    Bayberry             5    58.5    2    1.00     0.0   104   102          102   -2
3    Flower Of Saigon     4    51.5    3    1.30     4.0   89    80           80    -9
4    Follow The Star      5    51.5    4    1.50     0.0   88    88           88    +0
5    Crome Yellow         7    60.0    5    1.90     0.0   110   104          104   -6
6    Coup De Main         4    54.0    6    2.30     4.0   74    84           84    +10
99   Sweet Repeat         3    51.5    99   0.00     7.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Salvator Mundi 97 98 83 +15 4.0 -
2 Bayberry 104 104 102 +2 0.0 -
3 Flower Of Saigon 89 102 80 +22 4.0 -
4 Follow The Star Line 88 86 88 -2 0.0
5 Crome Yellow 110 109 104 +5 0.0 -
6 Coup De Main 74 62 84 -22 4.0 -
99 Sweet Repeat - 69 69 ✓ Match 7.0 -
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