Official NHA Assessment

Race 3: CHARITY MILE 1 NOVEMBER MAIDEN JUVENILE PLATE (For 2 year olds)

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Line Horse
None identified
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
9 / 10
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    Big Joe              2    60.0    1    0.00     0.0   -     -            -     +0
2    Royale Jacket        2    60.0    2    1.30     0.0   -     -            -     +0
3    Carnarvon            2    60.0    3    1.80     0.0   -     -            -     +0
4    Trip To Peace        2    60.0    4    2.60     0.0   -     -            -     +0
5    Palace Attack        2    60.0    5    2.80     0.0   -     -            -     +0
6    Jabari Thimba        2    60.0    6    3.20     0.0   -     -            -     +0
7    World Order          2    60.0    7    5.60     0.0   -     -            -     +0
8    Millennium Warrior   2    60.0    8    14.85    0.0   -     -            -     +0
9    Willow Charm         2    60.0    9    17.10    0.0   -     -            -     +0
10   Cody's Mark          2    60.0    10   34.50    0.0   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Big Joe - 88 - +88 0.0 -
2 Royale Jacket - 74 - +74 0.0 -
3 Carnarvon - 78 - +78 0.0 -
4 Trip To Peace - 77 - +77 0.0 -
5 Palace Attack - 86 - +86 0.0 -
6 Jabari Thimba - 84 - +84 0.0 -
7 World Order - 84 - +84 0.0 -
8 Millennium Warrior - 74 - +74 0.0 -
9 Willow Charm - 70 - +70 0.0 -
10 Cody's Mark - - - ✓ Match 0.0 -
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