Official NHA Assessment

Race 6: POUND BLOODSTOCK FM 88 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Harley's Fate
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 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    Sweet Symphony       3    57.5    1    0.00     9.5   83    77           83    +0
2    Bomber Girl          4    57.0    2    0.60     11.0  95    73           85    -10
3    Harley's Fate        2    52.5    3    2.30     6.5   73    73           73    +0
4    Eau De Vie           2    48.0    4    7.30     6.5   67    64           64    -3
5    Pelargonium          3    58.0    5    7.35     9.5   84    78           78    -6
6    American Graffiti    2    55.5    6    7.85     6.5   92    79           82    -10
7    Aisling              3    60.0    7    8.60     9.5   88    82           82    -6
99   Ride On              2    61.0    99   0.00     6.5   -     90           90    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Sweet Symphony 83 86 83 +3 9.5 -
2 Bomber Girl 95 84 85 -1 11.0 -
3 Harley's Fate Line 73 67 73 -6 6.5
4 Eau De Vie 67 50 64 -14 6.5 -
5 Pelargonium 84 84 78 +6 9.5 -
6 American Graffiti 92 90 82 +8 6.5 -
7 Aisling 88 66 82 -16 9.5 -
99 Ride On - 87 90 -3 6.5 -
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