Official NHA Assessment

Race 2: www.tabonline.co.za GRADUATION PLATE (Maidens,1 & 2 time winners)

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Line Horse
Baratheon
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
6 / 7
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    Light Speed          2    60.0    1    0.00     0.0   105   102          102   -3
2    Baratheon            3    60.0    2    0.40     8.5   90    90           90    +0
3    Scalini              2    57.0    3    0.70     0.0   88    101          101   +13
4    Michael Faraday      2    56.5    4    1.95     0.0   87    98           98    +11
5    Tothemoonandback     5    57.0    5    2.25     0.0   90    99           99    +9
6    Kapuziner            2    56.5    6    4.00     0.0   84    96           96    +12
99   Service Ace          3    58.5    99   0.00     8.5   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Light Speed 105 103 102 +1 0.0 -
2 Baratheon Line 90 106 90 +16 8.5
3 Scalini 88 70 101 -31 0.0 -
4 Michael Faraday 87 68 98 -30 0.0 -
5 Tothemoonandback 90 69 99 -30 0.0 -
6 Kapuziner 84 74 96 -22 0.0 -
99 Service Ace - 73 82 -9 8.5 -
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