Official NHA Assessment

Race 1: DOWNLOAD THE RACE CARD ONLINE www.goldcircle.co.za MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Namaqua Dove
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
6 / 9
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    My Elouise           3    57.5    1    0.00     5.0   -     57           6     +6
2    Namaqua Dove         4    60.0    2    2.20     6.0   60    60           60    +0
3    Capriana             4    60.0    3    3.30     6.0   58    60           60    +2
4    Zuri's Star          3    58.5    4    4.50     5.0   54    59           59    +5
5    Greatclubqueen       3    60.0    5    5.50     5.0   55    62           62    +7
6    Edvige               3    60.0    6    8.10     5.0   -     62           62    +62
7    Broadway Calling     3    56.0    7    14.70    5.0   -     54           54    +54
99   Ladies Day           3    60.0    99   0.00     5.0   -     62           62    +0
99   Zkittles             4    56.0    99   0.00     6.0   -     52           52    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 My Elouise - 57 6 +51 5.0 -
2 Namaqua Dove Line 60 57 60 -3 6.0
3 Capriana 58 59 60 -1 6.0 -
4 Zuri's Star 54 57 59 -2 5.0 -
5 Greatclubqueen 55 52 62 -10 5.0 -
6 Edvige - 50 62 -12 5.0 -
7 Broadway Calling - - 54 -54 5.0 -
99 Ladies Day - 56 62 -6 5.0 -
99 Zkittles - 22 52 -30 6.0 -
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