Official NHA Assessment

Race 4: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Mind Map
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
5 / 8
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    Mc Dazzler           2    60.0    1    0.00     5.0   74    80           80    +6
2    Mind Map             2    59.0    2    5.30     5.0   78    78           78    +0
3    Paved With Gold      3    59.0    3    8.90     7.5   -     73           73    +73
4    River Dance          3    59.0    4    9.80     7.5   75    73           73    -2
5    Higher Love          2    59.0    5    9.85     5.0   68    78           78    +10
6    Monocle              3    56.5    6    15.85    7.5   47    68           68    +21
7    Sauna's Magic        2    59.0    7    17.25    5.0   -     78           78    +78
99   Osmium               3    59.0    99   0.00     7.5   -     73           73    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mc Dazzler 74 54 80 -26 5.0 -
2 Mind Map Line 78 76 78 -2 5.0
3 Paved With Gold - 74 73 +1 7.5 -
4 River Dance 75 68 73 -5 7.5 -
5 Higher Love 68 68 78 -10 5.0 -
6 Monocle 47 52 68 -16 7.5 -
7 Sauna's Magic - 60 78 -18 5.0 -
99 Osmium - 59 73 -14 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