Official NHA Assessment

Race 3: TAKE A BET WINA NUMBA NUMBA MAIDEN PLATE (F & M) (For Maiden F&M. R15 000 Win bonus ROA Members)

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Line Horse
Dhow Solo
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
7 / 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    Dhow Solo            3    60.0    1    0.00     4.5   80    80           80    +0
2    Northern Kitten      3    56.0    2    4.25     4.5   -     72           72    +72
3    Enchanting Lady      2    60.0    3    5.00     3.0   76    83           83    +7
4    Blue Quartz          4    60.0    4    5.25     5.0   -     79           79    +79
5    Scarlet              3    60.0    5    7.00     4.5   50    80           80    +30
6    Winter In Paris      4    60.0    6    7.25     5.0   -     79           79    +79
7    Silent Fantasy       3    60.0    7    8.75     4.5   -     80           80    +80
8    Rowyaana             3    60.0    8    17.25    4.5   -     80           80    +80
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dhow Solo Line 80 62 80 -18 4.5
2 Northern Kitten - 67 72 -5 4.5 -
3 Enchanting Lady 76 67 83 -16 3.0 -
4 Blue Quartz - 62 79 -17 5.0 -
5 Scarlet 50 47 80 -33 4.5 -
6 Winter In Paris - 60 79 -19 5.0 -
7 Silent Fantasy - 56 80 -24 4.5 -
8 Rowyaana - - 80 -80 4.5 -
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