Official NHA Assessment

Race 5: MERIT RATED 80 HANDICAP (Open)

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Line Horse
Tradition
Reference for assessment
Exact Matches
0 / 5
Calculated = Official
Close Matches
2 / 5
Within 2 points
Significant Diffs
3 / 5
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    Star Aglow           3    56.5    1    0.00     7.0   73    64           73    +0
2    Tradition            4    59.5    2    1.50     4.0   79    79           79    +0
3    Forgotten Time       3    55.0    3    1.55     7.0   70    64           64    -6
4    Justadoreher         5    58.0    4    8.55     0.0   76    81           81    +5
99   Battle Of Seattle    2    60.0    99   0.00     0.0   -     85           85    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Star Aglow 73 74 73 +1 7.0 -
2 Tradition Line 79 77 79 -2 4.0
3 Forgotten Time 70 76 64 +12 7.0 -
4 Justadoreher 76 68 81 -13 0.0 -
99 Battle Of Seattle - 59 85 -26 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