Official NHA Assessment

Race 6: RACING TODAY FM 64 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Amanatto
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
5 / 11
Within 2 points
Significant Diffs
2 / 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    Amanatto             3    60.0    1    0.00     1.5   64    64           64    +0
2    Nautical Landing     3    59.5    2    2.00     1.5   63    66           66    +3
3    Black Path           6    56.5    3    2.25     0.0   57    63           63    +6
4    Endeared             2    58.5    4    2.75     0.0   70    66           66    -4
5    Ice Cap              3    52.0    5    4.00     1.5   51    49           49    -2
6    Elusive Bomba        3    57.5    6    4.10     1.5   59    60           60    +1
7    Pomodoro Magic       5    54.5    7    4.20     0.0   53    57           57    +4
8    Kilmonivaig          5    56.0    8    5.45     0.0   56    59           59    +3
9    Midnight Music       3    61.0    9    5.55     1.5   66    66           66    +0
10   My Ami Beach         6    62.0    10   5.80     0.0   68    71           71    +3
11   Lucky Chance         2    59.0    11   7.05     0.0   74    65           65    -9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Amanatto Line 64 64 64 ✓ Match 1.5
2 Nautical Landing 63 63 66 -3 1.5 -
3 Black Path 57 57 63 -6 0.0 -
4 Endeared 70 68 66 +2 0.0 -
5 Ice Cap 51 51 49 +2 1.5 -
6 Elusive Bomba 59 59 60 -1 1.5 -
7 Pomodoro Magic 53 53 57 -4 0.0 -
8 Kilmonivaig 56 56 59 -3 0.0 -
9 Midnight Music 66 66 66 ✓ Match 1.5 -
10 My Ami Beach 68 68 71 -3 0.0 -
11 Lucky Chance 74 74 65 +9 0.0 -
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