Official NHA Assessment

Race 8: NEXT TURFFONTEIN RACEMEETING SATURDAY 5 FEBRUARY MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Leeson
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
7 / 11
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    Pewter Sky           3    59.0    1    0.00     5.0   70    68           68    -2
2    Leeson               3    59.0    2    1.50     5.0   71    71           71    +0
3    Duke Of Normandy     3    59.0    3    3.75     5.0   -     69           69    +69
4    Earl of Cardigan     3    56.5    4    4.00     5.0   69    64           64    -5
5    Ra'ed                4    60.0    5    5.25     2.5   60    75           75    +15
6    Nichathan            3    59.0    6    11.25    5.0   -     68           68    +68
7    The Inkosana         3    59.0    7    11.75    5.0   -     68           68    +68
8    Rosso Corsa          3    59.0    8    38.75    5.0   -     68           68    +68
99   Ice And Fire         3    59.0    99   0.00     5.0   -     68           68    +0
99   Magnum P I           3    59.0    99   0.00     5.0   -     68           68    +0
99   Carrisbrooke         3    59.0    99   0.00     5.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pewter Sky 70 71 68 +3 5.0 -
2 Leeson Line 71 72 71 +1 5.0
3 Duke Of Normandy - 67 69 -2 5.0 -
4 Earl of Cardigan 69 50 64 -14 5.0 -
5 Ra'ed 60 49 75 -26 2.5 -
6 Nichathan - 46 68 -22 5.0 -
7 The Inkosana - 67 68 -1 5.0 -
8 Rosso Corsa - - 68 -68 5.0 -
99 Ice And Fire - 60 68 -8 5.0 -
99 Magnum P I - 77 68 +9 5.0 -
99 Carrisbrooke - - 68 -68 5.0 -
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