Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION FM 72 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Mia Fiore
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
6 / 11
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    Duenna               2    60.5    1    0.00     0.0   83    75           83    +0
2    Divine Moonlight     4    59.5    2    1.10     2.5   81    72           72    -9
3    Mia Fiore            4    60.0    3    1.30     2.5   72    72           72    +0
4    Golden Aspen         6    55.0    4    5.50     0.0   70    64           64    -6
5    Micke's Bomb         4    60.0    5    7.50     2.5   82    69           72    -10
6    Lady Zultanite       3    52.5    6    8.50     5.0   57    49           49    -8
7    Try Me               4    57.0    7    10.75    2.5   76    63           66    -10
8    Red Carpet Girl      3    52.0    8    12.00    5.0   56    48           48    -8
9    Miss Soho            2    59.0    9    16.00    0.0   73    72           72    -1
10   Bad Hair Day         2    52.5    10   16.25    0.0   52    59           59    +7
99   Storm Jewel          3    52.0    99   0.00     5.0   -     48           48    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Duenna 83 94 83 +11 0.0 -
2 Divine Moonlight 81 75 72 +3 2.5 -
3 Mia Fiore Line 72 77 72 +5 2.5
4 Golden Aspen 70 66 64 +2 0.0 -
5 Micke's Bomb 82 60 72 -12 2.5 -
6 Lady Zultanite 57 66 49 +17 5.0 -
7 Try Me 76 52 66 -14 2.5 -
8 Red Carpet Girl 56 55 48 +7 5.0 -
9 Miss Soho 73 73 72 +1 0.0 -
10 Bad Hair Day 52 47 59 -12 0.0 -
99 Storm Jewel - 48 48 ✓ Match 5.0 -
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