Official NHA Assessment

Race 9: #YOUCANBETONUS! MR 68 HANDICAP (Open)

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Line Horse
Golden Aspen
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
5 / 8
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    Mattiazo             4    56.5    1    0.00     3.0   61    55           61    +0
2    Michael Faraday      2    60.0    2    3.50     0.0   68    69           69    +1
3    Golden Aspen         6    56.0    3    4.40     0.0   60    60           60    +0
4    The Mightiest        3    61.5    4    4.45     6.0   71    59           61    -10
5    Apostrophe           3    59.0    5    5.15     6.0   78    54           68    -10
6    Commander Of All     2    55.0    6    9.65     0.0   58    58           58    +0
7    Gamer                4    58.5    7    11.65    3.0   65    59           59    -6
8    World Heritage       2    52.5    8    14.15    0.0   53    53           53    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mattiazo 61 69 61 +8 3.0 -
2 Michael Faraday 68 68 69 -1 0.0 -
3 Golden Aspen Line 60 66 60 +6 0.0
4 The Mightiest 71 70 61 +9 6.0 -
5 Apostrophe 78 74 68 +6 6.0 -
6 Commander Of All 58 56 58 -2 0.0 -
7 Gamer 65 65 59 +6 3.0 -
8 World Heritage 53 55 53 +2 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