Official NHA Assessment

Race 3: TAB SA NURSERY (Grade 2) (For 2 yo R100 000 Win BSA Bonus Series)

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Line Horse
None identified
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
8 / 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    Fire Attack          3    60.0    1    0.00     3.0   -     -            -     +0
2    Mount Pinatubo       2    60.0    2    2.25     2.0   -     -            -     +0
3    Pistol Pete          3    60.0    3    2.50     3.0   -     -            -     +0
4    Proceed              2    60.0    4    3.25     2.0   -     -            -     +0
5    Dantonfromsandton    3    60.0    5    6.25     3.0   -     -            -     +0
6    Address The Nation   3    60.0    6    7.50     3.0   -     -            -     +0
7    Chocolate Soldier    3    60.0    7    10.50    3.0   -     -            -     +0
8    Fine One             2    60.0    8    11.00    2.0   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Fire Attack - 124 - +124 3.0 -
2 Mount Pinatubo - 109 - +109 2.0 -
3 Pistol Pete - 118 - +118 3.0 -
4 Proceed - 114 - +114 2.0 -
5 Dantonfromsandton - 96 - +96 3.0 -
6 Address The Nation - 93 - +93 3.0 -
7 Chocolate Soldier - 108 - +108 3.0 -
8 Fine One - 84 - +84 2.0 -
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