Official NHA Assessment

Race 1: DOWNLOAD THE RACE CARD ONLINE www.goldcircle.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Sea Of Tears
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 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    Magwinya             2    60.0    1    0.00     2.0   66    75           72    +6
2    Sea Of Tears         2    56.0    2    1.60     2.0   67    67           67    +0
3    Shot Of Courage      3    60.0    3    3.90     3.0   57    73           73    +16
4    Splendid Fella       2    57.0    4    7.80     2.0   -     69           69    +69
5    Hollywood Star       2    60.0    5    9.50     2.0   63    75           75    +12
6    African Twilight     3    60.0    6    14.70    3.0   55    73           73    +18
7    Baazigar             3    60.0    7    15.30    3.0   -     73           73    +73
99   Cotton Ron           6    60.0    99   0.00     0.0   -     79           79    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Magwinya 66 50 72 -22 2.0 -
2 Sea Of Tears Line 67 60 67 -7 2.0
3 Shot Of Courage 57 73 73 ✓ Match 3.0 -
4 Splendid Fella - 55 69 -14 2.0 -
5 Hollywood Star 63 59 75 -16 2.0 -
6 African Twilight 55 52 73 -21 3.0 -
7 Baazigar - 66 73 -7 3.0 -
99 Cotton Ron - 59 79 -20 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