Official NHA Assessment

Race 7: FOLLOW CAPE RACING ON SOCIAL CLASS 4 (Open. Benchmark at 60.0kg = 78)

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Line Horse
Oliver
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 9
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    Innamorare           5    61.0    1    0.00     0.0   80    75           75    -5
2    Oliver               5    60.0    2    0.40     0.0   78    78           78    +0
3    Bristol Hercules     2    59.0    3    0.70     0.0   86    76           76    -10
4    Infrared             3    60.0    4    0.80     5.0   88    67           78    -10
5    Royal Swan Master    3    58.0    5    1.55     5.0   84    62           74    -10
6    Unicorn Alert        3    58.0    6    1.60     5.0   84    62           74    -10
7    Fibonacci            2    58.5    7    2.85     0.0   85    72           75    -10
8    Steadfast            2    60.0    8    4.35     0.0   88    73           78    -10
9    Heart Stealer        5    59.5    9    5.10     0.0   77    72           72    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Innamorare 80 91 75 +16 0.0 -
2 Oliver Line 78 97 78 +19 0.0
3 Bristol Hercules 86 87 76 +11 0.0 -
4 Infrared 88 101 78 +23 5.0 -
5 Royal Swan Master 84 83 74 +9 5.0 -
6 Unicorn Alert 84 61 74 -13 5.0 -
7 Fibonacci 85 73 75 -2 0.0 -
8 Steadfast 88 75 78 -3 0.0 -
9 Heart Stealer 77 80 72 +8 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