Official NHA Assessment

Race 4: SPORTING POST MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Simply Beautiful
Reference for assessment
Exact Matches
0 / 15
Calculated = Official
Close Matches
1 / 15
Within 2 points
Significant Diffs
11 / 15
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    Touch Of Grace       3    60.0    1    0.00     6.0   64    67           67    +3
2    Apple Catcher        3    60.0    2    0.30     6.0   -     67           67    +67
3    Simply Beautiful     3    60.0    3    1.05     6.0   67    67           67    +0
4    La Pura Vida         2    60.0    4    1.35     4.0   -     71           71    +71
5    Jazz Diva            3    60.0    5    3.60     6.0   -     67           67    +67
6    Global Songstress    2    60.0    6    4.60     4.0   76    71           71    -5
7    Spring Kiss          3    60.0    7    6.10     6.0   -     67           67    +67
8    Hang Out The Stars   5    60.0    8    6.50     0.0   -     79           79    +79
9    My Flower Fate       3    60.0    9    7.00     6.0   -     67           67    +67
10   Great Cat            5    60.0    10   7.50     0.0   -     79           79    +79
11   California Dreamin   3    60.0    11   8.25     6.0   -     67           67    +67
12   Misty Cliffs         2    60.0    12   10.25    4.0   75    71           71    -4
13   Dutchess Fiona       3    60.0    13   14.00    6.0   -     67           67    +67
14   Rox On Fire          3    60.0    14   14.75    6.0   -     67           67    +67
15   Anna Karenina        3    60.0    15   14.85    6.0   70    67           67    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Touch Of Grace 64 76 67 +9 6.0 -
2 Apple Catcher - 50 67 -17 6.0 -
3 Simply Beautiful Line 67 55 67 -12 6.0
4 La Pura Vida - 77 71 +6 4.0 -
5 Jazz Diva - 70 67 +3 6.0 -
6 Global Songstress 76 72 71 +1 4.0 -
7 Spring Kiss - 64 67 -3 6.0 -
8 Hang Out The Stars - 58 79 -21 0.0 -
9 My Flower Fate - 86 67 +19 6.0 -
10 Great Cat - 82 79 +3 0.0 -
11 California Dreamin - - 67 -67 6.0 -
12 Misty Cliffs 75 64 71 -7 4.0 -
13 Dutchess Fiona - 26 67 -41 6.0 -
14 Rox On Fire - - 67 -67 6.0 -
15 Anna Karenina 70 58 67 -9 6.0 -
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