Official NHA Assessment

Race 5: LAISSERFAIRE STAKES (Listed) (Fillies and Mares Handicap for 3-year-old and older)

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Line Horse
Hunting Trip
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
5 / 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    Baltic Secret        2    52.0    1    0.00     5.0   93    88           93    +0
2    October Morn         2    54.5    2    0.30     5.0   103   93           93    -10
3    Oni San              2    52.5    3    1.80     5.0   89    89           89    +0
4    Candy Town           2    52.0    4    2.00     5.0   94    88           88    -6
5    Hunting Trip         2    56.5    5    3.25     5.0   97    97           97    +0
6    Miss Marguerite      5    56.0    6    4.25     0.0   96    106          106   +10
7    Pacific Green        2    53.0    7    4.35     5.0   90    90           90    +0
8    Blue Holly           4    52.0    8    6.10     9.0   95    80           85    -10
9    La Pura Vida         2    53.5    9    8.85     5.0   91    91           91    +0
10   Ameena               2    62.0    10   9.25     5.0   108   108          108   +0
99   The Charleston       2    52.0    99   0.00     5.0   -     88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Baltic Secret 93 98 93 +5 5.0 -
2 October Morn 103 119 93 +26 5.0 -
3 Oni San 89 78 89 -11 5.0 -
4 Candy Town 94 104 88 +16 5.0 -
5 Hunting Trip Line 97 96 97 -1 5.0
6 Miss Marguerite 96 91 106 -15 0.0 -
7 Pacific Green 90 91 90 +1 5.0 -
8 Blue Holly 95 85 85 ✓ Match 9.0 -
9 La Pura Vida 91 77 91 -14 5.0 -
10 Ameena 108 103 108 -5 5.0 -
99 The Charleston - 83 88 -5 5.0 -
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