Official NHA Assessment

Race 4: WWW.TAB4RACING.COM MAIDEN PLATE (F & M) (For Maiden F & M. R15 000 Win bonus ROA Members)

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Line Horse
Zenobia's Gold
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
9 / 10
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    Superskitt           2    60.0    1    0.00     0.0   71    75           75    +4
2    Zenobia's Gold       3    60.0    2    2.60     3.0   71    71           71    +0
3    Kiss Of Fire         5    60.0    3    4.60     0.0   -     75           75    +75
4    Villa Semaya         2    60.0    4    5.40     0.0   72    75           75    +3
5    Whistledown          4    56.0    5    5.65     1.5   52    64           64    +12
6    Green Fame           4    60.0    6    6.15     1.5   57    72           72    +15
7    Hallowed Secret      3    60.0    7    6.65     3.0   -     69           69    +69
8    Three Bells          3    60.0    8    8.35     3.0   48    69           69    +21
9    Plum Blossom         3    60.0    9    9.35     3.0   -     69           69    +69
10   Glawari              2    60.0    10   11.60    0.0   74    75           75    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Superskitt 71 59 75 -16 0.0 -
2 Zenobia's Gold Line 71 79 71 +8 3.0
3 Kiss Of Fire - 68 75 -7 0.0 -
4 Villa Semaya 72 59 75 -16 0.0 -
5 Whistledown 52 63 64 -1 1.5 -
6 Green Fame 57 56 72 -16 1.5 -
7 Hallowed Secret - 50 69 -19 3.0 -
8 Three Bells 48 43 69 -26 3.0 -
9 Plum Blossom - 53 69 -16 3.0 -
10 Glawari 74 65 75 -10 0.0 -
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