Official NHA Assessment

Race 2: #YOUCANBETONUS! MAIDEN PLATE (For all Maidens)

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Line Horse
Good Shine
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
3 / 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    Perfect Impact       3    60.0    1    0.00     3.0   70    53           53    -17
2    Good Shine           2    60.0    2    6.50     2.0   55    55           55    +0
3    Fonte                3    58.0    3    7.75     3.0   -     49           49    +49
4    Warrior's Sword      2    60.0    4    8.00     2.0   63    55           55    -8
5    Saloon Girl          2    57.5    5    8.25     2.0   53    50           50    -3
6    Fantine              3    57.5    6    9.00     3.0   70    48           60    -10
7    Timeline             3    57.5    7    11.50    3.0   53    48           48    -5
8    Rissiepit            3    53.5    8    13.00    3.0   60    40           50    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Perfect Impact 70 70 53 +17 3.0 -
2 Good Shine Line 55 55 55 ✓ Match 2.0
3 Fonte - 57 49 +8 3.0 -
4 Warrior's Sword 63 59 55 +4 2.0 -
5 Saloon Girl 53 51 50 +1 2.0 -
6 Fantine 70 70 60 +10 3.0 -
7 Timeline 53 50 48 +2 3.0 -
8 Rissiepit 60 54 50 +4 3.0 -
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