Official NHA Assessment

Race 3: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Grand Force
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
5 / 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    Axis Power           3    60.0    1    0.00     2.0   58    72           64    +6
2    Pinetti              2    57.0    2    0.60     1.0   -     68           68    +68
3    Grand Force          3    60.0    3    1.80     2.0   72    72           72    +0
4    Di Rosa              4    57.5    4    2.90     2.5   61    66           66    +5
5    Galactic Lover       3    57.5    5    5.00     2.0   64    67           67    +3
6    Larius Lacus         2    57.0    6    6.80     1.0   -     68           68    +68
7    Third Winter         2    54.5    7    7.20     1.0   -     63           63    +63
8    Princess Charmer     2    57.5    8    9.10     1.0   60    69           69    +9
99   Miss Kansas          3    57.5    99   0.00     2.0   -     67           67    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Axis Power 58 68 64 +4 2.0 -
2 Pinetti - 84 68 +16 1.0 -
3 Grand Force Line 72 54 72 -18 2.0
4 Di Rosa 61 54 66 -12 2.5 -
5 Galactic Lover 64 62 67 -5 2.0 -
6 Larius Lacus - 75 68 +7 1.0 -
7 Third Winter - 60 63 -3 1.0 -
8 Princess Charmer 60 50 69 -19 1.0 -
99 Miss Kansas - 72 67 +5 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