Official NHA Assessment

Race 2: TAB4RACING APP MAIDEN PLATE (3-year-old Fillies) (For Maiden 3 year-old Fillies)

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Line Horse
Bavarian Jet
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 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    Hey Siri             2    60.0    1    0.00     0.0   63    66           66    +3
2    Bavarian Jet         2    60.0    2    2.50     0.0   68    68           68    +0
3    Elusive Jewel        2    60.0    3    7.00     0.0   50    66           66    +16
4    Polly Flinders       2    60.0    4    9.25     0.0   54    66           66    +12
5    Vickeyneki           2    60.0    5    10.25    0.0   51    66           66    +15
6    Aunt Liberty         2    60.0    6    12.75    0.0   30    66           66    +36
7    Claregari            2    60.0    7    22.25    0.0   52    66           66    +14
8    Lady Sheeva          2    60.0    8    99.98    0.0   60    66           66    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Hey Siri 63 70 66 +4 0.0 -
2 Bavarian Jet Line 68 69 68 +1 0.0
3 Elusive Jewel 50 57 66 -9 0.0 -
4 Polly Flinders 54 50 66 -16 0.0 -
5 Vickeyneki 51 45 66 -21 0.0 -
6 Aunt Liberty 30 38 66 -28 0.0 -
7 Claregari 52 42 66 -24 0.0 -
8 Lady Sheeva 60 58 66 -8 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