Official NHA Assessment

Race 4: MERIT RATED 80 HANDICAP (Open)

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Line Horse
Tradition
Reference for assessment
Exact Matches
0 / 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    Var Aglow            5    55.5    1    0.00     0.0   71    75           71    +0
2    Citrusdal            8    60.0    2    0.50     0.0   80    84           84    +4
3    Tradition            4    57.5    3    1.50     2.0   75    75           75    +0
4    Powder Puff          4    54.0    4    1.75     2.0   68    68           68    +0
5    Tulip Way            5    59.0    5    2.75     0.0   78    82           82    +4
6    Justadoreher         5    54.0    6    10.75    0.0   68    72           72    +4
99   Veseo                5    56.0    99   0.00     0.0   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Var Aglow 71 84 71 +13 0.0 -
2 Citrusdal 80 81 84 -3 0.0 -
3 Tradition Line 75 77 75 +2 2.0
4 Powder Puff 68 58 68 -10 2.0 -
5 Tulip Way 78 80 82 -2 0.0 -
6 Justadoreher 68 68 72 -4 0.0 -
99 Veseo - 64 76 -12 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