Official NHA Assessment

Race 1: WELCOME TO NELSON MANDELA BAY RACING MAIDEN PLATE (For all Maidens)

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Line Horse
Taste Maker
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
7 / 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    Pianta               4    57.5    1    0.00     4.0   54    53           53    -1
2    Knave Of Diamonds    3    60.0    2    2.25     3.5   -     59           59    +59
3    Taste Maker          3    57.5    3    6.00     3.5   54    54           54    +0
4    Twice The Secret     3    57.5    4    7.50     3.5   60    54           54    -6
5    Horace Silver        3    60.0    5    12.75    3.5   -     59           59    +59
6    La Fille             3    57.5    6    16.50    3.5   67    54           57    -10
7    Leni Girl            3    57.5    7    16.60    3.5   -     54           54    +54
8    Twice The Dice       3    60.0    8    18.35    3.5   10    59           59    +49
9    Peronzada            3    57.5    9    19.60    3.5   -     54           54    +54
10   Captain Red Ray      3    60.0    10   19.70    3.5   51    59           59    +8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pianta 54 60 53 +7 4.0 -
2 Knave Of Diamonds - 57 59 -2 3.5 -
3 Taste Maker Line 54 54 54 ✓ Match 3.5
4 Twice The Secret 60 60 54 +6 3.5 -
5 Horace Silver - 42 59 -17 3.5 -
6 La Fille 67 63 57 +6 3.5 -
7 Leni Girl - 45 54 -9 3.5 -
8 Twice The Dice 10 20 59 -39 3.5 -
9 Peronzada - 56 54 +2 3.5 -
10 Captain Red Ray 51 45 59 -14 3.5 -
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