Official NHA Assessment

Race 6: TAKE A BET WINA NUMBA NUMBA MR 96 HANDICAP (Open)

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Line Horse
Free Movement
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
3 / 9
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    Tirpitz              6    54.0    1    0.00     0.0   84    94           84    +0
2    Free Movement        3    53.0    2    0.20     5.0   82    82           82    +0
3    Captain Of Grit      3    55.5    3    0.35     5.0   86    92           92    +6
4    Argo Alley           2    59.0    4    3.00     0.0   94    106          106   +12
5    Home Of The Brave    2    56.5    5    3.25     0.0   89    101          101   +12
6    Ampersand            2    52.0    6    4.75     0.0   87    90           90    +3
7    Silver Tudor         5    57.0    7    5.25     0.0   90    100          100   +10
8    Fostinovo            3    55.5    8    5.75     5.0   87    87           87    +0
9    Team Gold            3    60.5    9    19.00    5.0   97    97           97    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tirpitz 84 82 84 -2 0.0 -
2 Free Movement Line 82 81 82 -1 5.0
3 Captain Of Grit 86 84 92 -8 5.0 -
4 Argo Alley 94 110 106 +4 0.0 -
5 Home Of The Brave 89 97 101 -4 0.0 -
6 Ampersand 87 83 90 -7 0.0 -
7 Silver Tudor 90 99 100 -1 0.0 -
8 Fostinovo 87 80 87 -7 5.0 -
9 Team Gold 97 97 97 ✓ 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