Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION FM 90 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Magical Flight
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
5 / 9
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    Frances Ethel        3    52.0    1    0.00     4.0   81    68           81    +0
2    Lady Fallon          4    59.5    2    1.50     2.0   97    90           90    -7
3    Mary's Greenlight    4    59.5    3    1.80     2.0   97    90           90    -7
4    Magical Flight       4    58.0    4    2.60     2.0   86    86           86    +0
5    Elembee              5    58.0    5    3.35     0.0   86    89           89    +3
6    Bonika               2    60.0    6    3.40     0.0   90    93           93    +3
7    Kwazzi's Lady        4    58.0    7    3.45     2.0   86    85           85    -1
8    Gimmealight          3    58.0    8    3.65     4.0   86    81           81    -5
99   Escape Artist        3    57.5    99   0.00     4.0   -     79           79    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Frances Ethel 81 117 81 +36 4.0 -
2 Lady Fallon 97 100 90 +10 2.0 -
3 Mary's Greenlight 97 103 90 +13 2.0 -
4 Magical Flight Line 86 85 86 -1 2.0
5 Elembee 86 77 89 -12 0.0 -
6 Bonika 90 80 93 -13 0.0 -
7 Kwazzi's Lady 86 82 85 -3 2.0 -
8 Gimmealight 86 77 81 -4 4.0 -
99 Escape Artist - 78 79 -1 4.0 -
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