Official NHA Assessment

Race 3: RACING240 MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Midnight Miracle
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
6 / 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    Red Hot Kisses       2    57.0    1    0.00     0.5   -     -            -     +0
2    Empress Wu           3    60.0    2    1.25     1.5   66    4            56    -10
3    Midnight Miracle     2    57.0    3    2.50     0.5   -     -            -     +0
4    Amaze Me             2    57.0    4    3.50     0.5   -     -            -     +0
4    Winter Belle         2    57.0    4    3.50     0.5   -     -            -     +0
6    Superior             3    58.5    6    8.75     1.5   40    1            30    -10
7    The Bonny            2    53.0    7    16.00    0.5   -     -8           -     +0
99   Lazer Light          2    57.0    99   0.00     0.5   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Hot Kisses - 62 - +62 0.5 -
2 Empress Wu 66 61 56 +5 1.5 -
3 Midnight Miracle Line - 75 - +75 0.5
4 Amaze Me - 64 - +64 0.5 -
4 Winter Belle - 70 - +70 0.5 -
6 Superior 40 47 30 +17 1.5 -
7 The Bonny - 30 - +30 0.5 -
99 Lazer Light - - - - 0.5 -
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