Official NHA Assessment

Race 2: CHARITY MILE 1 NOVEMBER MAIDEN HANDICAP (For Maidens with 3 or more runs)

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Line Horse
Codeword
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
6 / 8
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    Johnny Drama         3    60.0    1    0.00     1.0   72    78           72    +0
2    Codeword             2    52.0    2    0.05     0.0   64    64           64    +0
3    Gift Of Royal        3    57.0    3    1.45     1.0   66    75           75    +9
4    Trip To States       5    56.0    4    1.75     0.0   62    75           75    +13
5    Ember King           2    52.0    5    3.50     0.0   52    65           65    +13
6    Cuzzie               3    58.5    6    4.50     1.0   69    75           75    +6
7    Winchester           2    54.5    7    5.00     0.0   78    69           69    -9
8    Emerald City         2    52.0    8    7.25     0.0   57    64           64    +7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Johnny Drama 72 78 72 +6 1.0 -
2 Codeword Line 64 54 64 -10 0.0
3 Gift Of Royal 66 58 75 -17 1.0 -
4 Trip To States 62 63 75 -12 0.0 -
5 Ember King 52 70 65 +5 0.0 -
6 Cuzzie 69 54 75 -21 1.0 -
7 Winchester 78 69 69 ✓ Match 0.0 -
8 Emerald City 57 71 64 +7 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