Official NHA Assessment

Race 7: TAB 4RACING APP FM 68 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Full Of Magic
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
5 / 12
Within 2 points
Significant Diffs
4 / 12
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    Sweet Julia          2    60.0    1    0.00     5.5   68    82           68    +0
2    North Star           2    61.0    2    0.75     5.5   81    84           84    +3
3    Miss Shaivi          4    60.0    3    3.75     10.0  68    73           73    +5
4    Full Of Magic        4    49.5    4    3.85     10.0  52    52           52    +0
5    Jet Set Run          2    56.5    5    4.35     5.5   72    75           75    +3
6    Penny's World        3    60.0    6    4.40     8.5   68    76           76    +8
7    Opera Verse          4    49.5    7    4.50     10.0  55    52           52    -3
8    City Of Dreams       3    52.0    8    4.55     8.5   60    60           60    +0
9    Happy Wives          3    61.0    9    5.30     8.5   70    78           78    +8
99   Physiologus          2    58.0    99   0.00     5.5   -     78           78    +0
99   Thread Of Life       3    58.5    99   0.00     8.5   -     73           73    +0
99   Panthera Uncia       3    60.0    99   0.00     8.5   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Sweet Julia 68 73 68 +5 5.5 -
2 North Star 81 85 84 +1 5.5 -
3 Miss Shaivi 68 68 73 -5 10.0 -
4 Full Of Magic Line 52 52 52 ✓ Match 10.0
5 Jet Set Run 72 80 75 +5 5.5 -
6 Penny's World 68 61 76 -15 8.5 -
7 Opera Verse 55 50 52 -2 10.0 -
8 City Of Dreams 60 59 60 -1 8.5 -
9 Happy Wives 70 80 78 +2 8.5 -
99 Physiologus - 53 78 -25 5.5 -
99 Thread Of Life - 62 73 -11 8.5 -
99 Panthera Uncia - 60 76 -16 8.5 -
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