Official NHA Assessment

Race 3: TAB 4RACING APP FM 68 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
For All We Know
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
1 / 14
Within 2 points
Significant Diffs
9 / 14
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    Opera Swing          4    61.5    1    0.00     3.5   71    73           71    +0
2    Idabelle             2    58.5    2    1.50     0.0   65    77           77    +12
3    State Of Mind        4    58.5    3    1.55     3.5   65    70           70    +5
4    For All We Know      3    60.0    4    1.80     6.0   68    68           68    +0
5    Spirit Princess      2    57.0    5    3.05     0.0   61    73           73    +12
6    Kavian's Cara        4    52.0    6    3.10     3.5   52    56           56    +4
7    My Ami Beach         6    61.5    7    4.10     0.0   71    81           81    +10
8    Errols Legacy        2    59.5    8    5.35     0.0   79    76           76    -3
9    Ilha Da Mauricia     3    61.5    9    6.35     6.0   71    68           68    -3
10   Tartan Dancer        5    52.5    10   7.60     0.0   49    62           62    +13
11   Holly's View         2    60.5    11   8.85     0.0   69    78           78    +9
12   Twice In Camden      3    52.0    12   13.60    6.0   52    49           49    -3
99   Elusive Jewel        2    56.0    99   0.00     0.0   -     69           69    +0
99   Symbol Of Love       2    57.5    99   0.00     0.0   -     72           72    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Opera Swing 71 82 71 +11 3.5 -
2 Idabelle 65 70 77 -7 0.0 -
3 State Of Mind 65 65 70 -5 3.5 -
4 For All We Know Line 68 79 68 +11 6.0
5 Spirit Princess 61 51 73 -22 0.0 -
6 Kavian's Cara 52 56 56 ✓ Match 3.5 -
7 My Ami Beach 71 70 81 -11 0.0 -
8 Errols Legacy 79 80 76 +4 0.0 -
9 Ilha Da Mauricia 71 63 68 -5 6.0 -
10 Tartan Dancer 49 47 62 -15 0.0 -
11 Holly's View 69 66 78 -12 0.0 -
12 Twice In Camden 52 46 49 -3 6.0 -
99 Elusive Jewel - 57 69 -12 0.0 -
99 Symbol Of Love - 94 72 +22 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