Official NHA Assessment

Race 1: SEAL CONDITIONAL GRADUATION (1 & 2 time winners)

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Line Horse
Catch The Tune
Reference for assessment
Exact Matches
1 / 7
Calculated = Official
Close Matches
2 / 7
Within 2 points
Significant Diffs
3 / 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    Paris Pike           2    57.0    1    0.00     0.0   83    70           70    -13
2    Catch The Tune       6    56.0    2    0.30     0.0   73    73           73    +0
3    Sunday Island (AUS)  3    58.5    3    2.50     4.5   87    66           77    -10
4    Aerial Display       5    56.0    4    5.60     0.0   82    68           72    -10
99   Attorney General     5    56.0    99   0.00     0.0   -     68           68    +0
99   Quiz Master          3    56.0    99   0.00     4.5   -     59           59    +0
99   Famous And Rich      2    59.0    99   0.00     0.0   -     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 Paris Pike 83 83 70 +13 0.0 -
2 Catch The Tune Line 73 70 73 -3 0.0
3 Sunday Island (AUS) 87 86 77 +9 4.5 -
4 Aerial Display 82 68 72 -4 0.0 -
99 Attorney General - 68 68 ✓ Match 0.0 -
99 Quiz Master - 60 59 +1 4.5 -
99 Famous And Rich - 66 74 -8 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