Official NHA Assessment

Race 3: CLASSIC DAY 7 MARCH MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Traditional Belief
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
10 / 10
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    Traditional Belief   3    56.0    1    0.00     4.5   -     -            -     +0
2    Detailed Forecast    2    60.0    2    1.70     3.0   71    11           61    -10
3    Miraculous Moment    3    60.0    3    3.20     4.5   -     8            8     +8
4    Wispinthewillow      3    58.5    4    3.95     4.5   -     5            5     +5
5    Oh La Amour          3    60.0    5    4.55     4.5   -     8            8     +8
6    Vyfster              3    60.0    6    4.95     4.5   -     8            8     +8
7    Purple Rain          3    60.0    7    6.75     4.5   -     8            8     +8
8    Nothing Compares     2    60.0    8    7.75     3.0   63    11           53    -10
99   Miss Fantastic       3    60.0    99   0.00     4.5   -     8            8     +0
99   Winika               3    60.0    99   0.00     4.5   -     8            8     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Traditional Belief Line - 77 - +77 4.5
2 Detailed Forecast 71 77 61 +16 3.0 -
3 Miraculous Moment - - 8 -8 4.5 -
4 Wispinthewillow - 71 5 +66 4.5 -
5 Oh La Amour - - 8 -8 4.5 -
6 Vyfster - - 8 -8 4.5 -
7 Purple Rain - - 8 -8 4.5 -
8 Nothing Compares 63 59 53 +6 3.0 -
99 Miss Fantastic - - 8 -8 4.5 -
99 Winika - 67 8 +59 4.5 -
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