Official NHA Assessment

Race 2: RACING TODAY MAIDEN PLATE (F & M) (For Maiden F & M)

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Line Horse
Iconic Winter
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
7 / 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    United Offer         3    58.0    1    0.00     9.5   -     60           6     +6
2    Magic Carpet Ride    3    60.0    2    0.05     9.5   -     64           64    +64
3    Duchess Of Paloma    3    60.0    3    4.80     9.5   69    64           64    -5
4    Iconic Winter        2    60.0    4    5.30     6.5   70    70           70    +0
5    Wings Of Kildra      3    56.5    5    11.00    9.5   -     57           57    +57
6    Hathighwaytothesky   3    58.0    6    11.60    9.5   -     60           60    +60
7    Master'S Rose        3    58.0    7    19.00    9.5   -     60           60    +60
8    Explosive Charm      3    58.0    8    20.00    9.5   -     60           60    +60
9    Explosive Power      2    58.0    9    21.75    6.5   -     66           66    +66
10   Manuriki             2    58.0    10   24.25    6.5   -     66           66    +66
11   Fire Within          3    54.0    11   24.65    9.5   -     52           52    +52
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 United Offer - 89 6 +83 9.5 -
2 Magic Carpet Ride - 64 64 ✓ Match 9.5 -
3 Duchess Of Paloma 69 91 64 +27 9.5 -
4 Iconic Winter Line 70 68 70 -2 6.5
5 Wings Of Kildra - 74 57 +17 9.5 -
6 Hathighwaytothesky - 87 60 +27 9.5 -
7 Master'S Rose - 68 60 +8 9.5 -
8 Explosive Charm - 55 60 -5 9.5 -
9 Explosive Power - 54 66 -12 6.5 -
10 Manuriki - 52 66 -14 6.5 -
11 Fire Within - 52 52 ✓ Match 9.5 -
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