Official NHA Assessment

Race 2: www.tabgold.co.za MR 91 HANDICAP (Open)

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Line Horse
Aunty Lizzy
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
8 / 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    Sikhulu              3    57.5    1    0.00     7.5   86    94           86    +0
2    Faustino             3    60.0    2    0.40     7.5   96    99           99    +3
3    Aunty Lizzy          3    59.0    3    1.90     7.5   97    97           97    +0
4    Donquerari           5    53.5    4    3.90     0.0   88    101          101   +13
5    Dandolo              4    55.5    5    3.95     9.0   82    87           87    +5
6    Irfaans Boy          3    60.0    6    4.70     7.5   91    99           99    +8
7    Franz Lehar          2    55.5    7    5.50     5.0   92    95           95    +3
99   Renaissance Man      3    53.0    99   0.00     7.5   -     85           85    +0
99   Chara Sands          3    54.5    99   0.00     7.5   -     88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Sikhulu 86 94 86 +8 7.5 -
2 Faustino 96 82 99 -17 7.5 -
3 Aunty Lizzy Line 97 84 97 -13 7.5
4 Donquerari 88 86 101 -15 0.0 -
5 Dandolo 82 86 87 -1 9.0 -
6 Irfaans Boy 91 90 99 -9 7.5 -
7 Franz Lehar 92 83 95 -12 5.0 -
99 Renaissance Man - 79 85 -6 7.5 -
99 Chara Sands - 70 88 -18 7.5 -
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