Official NHA Assessment

Race 3: www.tabgold.co.za MR 84 HANDICAP (Open)

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Line Horse
Etiquette
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
4 / 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    Laudato              2    53.0    1    0.00     0.0   82    79           82    +0
2    Master Fuego         3    56.5    2    0.40     6.0   89    79           79    -10
3    Red William          5    59.5    3    0.80     0.0   84    96           96    +12
4    Etiquette            3    58.0    4    1.85     6.0   80    80           80    +0
5    Captain Rocket       3    58.5    5    2.00     6.0   82    81           81    -1
6    Release Me           3    56.5    6    3.30     6.0   78    75           75    -3
7    Syx Hotfix           3    61.0    7    3.70     6.0   89    84           84    -5
8    Selukwe              3    58.5    8    5.70     6.0   82    78           78    -4
99   Flag Man             3    55.0    99   0.00     6.0   -     71           71    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Laudato 82 84 82 +2 0.0 -
2 Master Fuego 89 102 79 +23 6.0 -
3 Red William 84 83 96 -13 0.0 -
4 Etiquette Line 80 83 80 +3 6.0
5 Captain Rocket 82 82 81 +1 6.0 -
6 Release Me 78 74 75 -1 6.0 -
7 Syx Hotfix 89 83 84 -1 6.0 -
8 Selukwe 82 115 78 +37 6.0 -
99 Flag Man - 126 71 +55 6.0 -
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