Official NHA Assessment

Race 3: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

Back to Race
Line Horse
Duke Of Africa
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 8
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Blazing Light        3    60.0    1    0.00     5.0   61    57           57    -4
2    Dontstopmenow        3    60.0    2    0.70     5.0   -     62           62    +62
3    Duke Of Africa       5    60.0    3    2.70     0.0   69    69           69    +0
4    Terra Sante          3    60.0    4    6.10     5.0   64    57           57    -7
5    Zapotec              3    60.0    5    6.85     5.0   -     57           57    +57
6    Master Of Defense    3    58.5    6    14.25    5.0   60    54           54    -6
99   Cash Crusade         2    57.5    99   0.00     0.0   -     62           62    +0
99   The Green Gallant    6    60.0    99   0.00     0.0   -     67           67    +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Blazing Light 61 62 57 +5 5.0 -
2 Dontstopmenow - 62 62 ✓ Match 5.0 -
3 Duke Of Africa Line 69 76 69 +7 0.0
4 Terra Sante 64 53 57 -4 5.0 -
5 Zapotec - 51 57 -6 5.0 -
6 Master Of Defense 60 63 54 +9 5.0 -
99 Cash Crusade - 68 62 +6 0.0 -
99 The Green Gallant - 55 67 -12 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