Official NHA Assessment

Race 3: RACING TODAY MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Rastignac
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
8 / 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    Taxhaven             4    60.0    1    0.00     0.5   74    70           70    -4
2    Alakanani            4    60.0    2    17.00    0.5   43    70           70    +27
3    Plum Blossom         3    56.5    3    18.50    2.0   66    60           60    -6
4    Rastignac            4    60.0    4    21.50    0.5   70    70           70    +0
5    Thomas Rainwater     2    57.5    5    27.50    0.0   58    66           66    +8
6    Lake Kivu            3    56.0    6    34.50    2.0   30    59           59    +29
7    Captain Barbosa      3    60.0    7    99.99    2.0   52    67           67    +15
99   Manz Knight          6    60.0    99   0.00     0.0   -     71           71    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Taxhaven 74 96 70 +26 0.5 -
2 Alakanani 43 59 70 -11 0.5 -
3 Plum Blossom 66 53 60 -7 2.0 -
4 Rastignac Line 70 58 70 -12 0.5
5 Thomas Rainwater 58 58 66 -8 0.0 -
6 Lake Kivu 30 30 59 -29 2.0 -
7 Captain Barbosa 52 52 67 -15 2.0 -
99 Manz Knight - 60 71 -11 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