Official NHA Assessment

Race 3: MERIT RATED 70 HANDICAP (Open)

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Line Horse
Tradition
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
6 / 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    Tradition            4    57.5    1    0.00     5.0   65    65           65    +0
2    Al Mashriq           4    54.5    2    0.75     5.0   59    59           59    +0
3    Jardin               6    56.0    3    2.75     0.0   61    72           72    +11
4    Mackelroy            4    60.5    4    4.00     5.0   71    71           71    +0
5    Cool Solution        9    52.5    5    4.75     0.0   63    65           65    +2
6    Aneksi               4    57.5    6    10.75    5.0   65    65           65    +0
99   Mill Creek           7    52.0    99   0.00     0.0   -     64           64    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tradition Line 65 77 65 +12 5.0
2 Al Mashriq 59 71 59 +12 5.0 -
3 Jardin 61 60 72 -12 0.0 -
4 Mackelroy 71 70 71 -1 5.0 -
5 Cool Solution 63 51 65 -14 0.0 -
6 Aneksi 65 50 65 -15 5.0 -
99 Mill Creek - 55 64 -9 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