Official NHA Assessment

Race 2: SPRING INTO THE SEASON MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Second Breath
Reference for assessment
Exact Matches
1 / 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    Second Breath        2    58.0    1    0.00     6.5   74    74           74    +0
2    Back To The Future   2    58.0    2    4.00     6.5   -     74           74    +74
3    Wow                  2    58.0    3    4.25     6.5   62    74           74    +12
4    Gaetana              3    60.0    4    5.00     9.5   50    72           72    +22
5    Namaqua Blossom      3    58.0    5    5.75     9.5   -     68           68    +68
6    Tree Fairy           3    58.0    6    23.75    9.5   -     68           68    +68
99   Lady Regent          2    58.0    99   0.00     6.5   -     74           74    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Second Breath Line 74 79 74 +5 6.5
2 Back To The Future - 74 74 ✓ Match 6.5 -
3 Wow 62 70 74 -4 6.5 -
4 Gaetana 50 26 72 -46 9.5 -
5 Namaqua Blossom - 75 68 +7 9.5 -
6 Tree Fairy - 54 68 -14 9.5 -
99 Lady Regent - 84 74 +10 6.5 -
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