Official NHA Assessment

Race 6: #YOUCANBETONUS! MR 75 HANDICAP (Open)

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Line Horse
Arlington Action
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
2 / 7
Within 2 points
Significant Diffs
4 / 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    Damova               3    58.5    1    0.00     10.0  72    49           72    +0
2    Arlington Action     6    56.0    2    2.75     0.0   67    67           67    +0
3    Royal Mazarin        4    58.5    3    6.50     7.0   72    55           62    -10
4    Romeo's Magic        7    60.0    4    7.25     0.0   75    72           72    -3
5    Gold De Grace        4    48.0    5    99.99    7.0   59    34           49    -10
6    Lady Noir            2    54.0    6    99.92    0.0   83    60           73    -10
99   Nuclear Force        5    56.0    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 Damova 72 85 72 +13 10.0 -
2 Arlington Action Line 67 73 67 +6 0.0
3 Royal Mazarin 72 70 62 +8 7.0 -
4 Romeo's Magic 75 73 72 +1 0.0 -
5 Gold De Grace 59 51 49 +2 7.0 -
6 Lady Noir 83 83 73 +10 0.0 -
99 Nuclear Force - 61 64 -3 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