Official NHA Assessment

Race 7: 4RACING.TV FM 69 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Stormy Lass
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
6 / 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    Laetitia's Angel     4    57.5    1    0.00     12.0  64    61           64    +0
2    Sky Glitter          3    58.0    2    0.25     10.5  65    65           65    +0
3    Stormy Lass          3    58.0    3    2.50     10.5  65    65           65    +0
4    In The Ether         6    54.5    4    3.75     0.0   58    79           79    +21
5    Clean Living         2    55.5    5    6.25     7.0   79    67           69    -10
6    Vuitton              3    53.0    6    8.00     10.5  63    55           55    -8
7    Spanish Song         4    60.0    7    12.00    12.0  69    66           66    -3
8    Vantage Point        2    52.0    8    19.00    7.0   67    60           60    -7
99   Baby Dont Hurt Me    3    56.5    99   0.00     10.5  -     62           62    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Laetitia's Angel 64 77 64 +13 12.0 -
2 Sky Glitter 65 66 65 +1 10.5 -
3 Stormy Lass Line 65 61 65 -4 10.5
4 In The Ether 58 63 79 -16 0.0 -
5 Clean Living 79 61 69 -8 7.0 -
6 Vuitton 63 63 55 +8 10.5 -
7 Spanish Song 69 60 66 -6 12.0 -
8 Vantage Point 67 62 60 +2 7.0 -
99 Baby Dont Hurt Me - 52 62 -10 10.5 -
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