Official NHA Assessment

Race 2: www.tabgold.co.za MR 69 HANDICAP (Open)

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Line Horse
Blazing Light
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 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    Duke Of Africa       5    58.0    1    0.00     0.0   65    84           65    +0
2    Blazing Light        3    60.0    2    7.90     8.0   72    72           72    +0
3    King Bavarian        5    53.5    3    9.80     0.0   56    75           75    +19
4    Double Olympic       4    59.5    4    10.70    4.5   69    78           78    +9
5    Rainwater            2    57.5    5    12.20    0.0   80    83           83    +3
99   Summerland           5    49.5    99   0.00     0.0   -     67           67    +0
99   Queen Amina          3    58.5    99   0.00     8.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Duke Of Africa 65 76 65 +11 0.0 -
2 Blazing Light Line 72 62 72 -10 8.0
3 King Bavarian 56 67 75 -8 0.0 -
4 Double Olympic 69 53 78 -25 4.5 -
5 Rainwater 80 79 83 -4 0.0 -
99 Summerland - 45 67 -22 0.0 -
99 Queen Amina - 76 69 +7 8.0 -
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