Official NHA Assessment

Race 2: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Great Times
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 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    Great Times          3    60.0    1    0.00     10.5  66    66           66    +0
2    Maserati Roar        3    58.0    2    4.40     10.5  -     62           62    +62
3    One Irish Rover      5    56.5    3    6.80     0.0   -     80           80    +80
4    Agressivo            3    58.0    4    10.40    10.5  -     62           62    +62
5    Kilbrannan Sound     2    58.0    5    12.60    7.0   -     69           69    +69
6    Olympic Standard     3    58.0    6    14.70    10.5  -     62           62    +62
7    Tiger Spring         2    58.0    7    15.10    7.0   -     69           69    +69
8    Grand Finale         2    58.0    8    16.10    7.0   -     69           69    +69
99   Mccartney            3    60.0    99   0.00     10.5  -     66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Great Times Line 66 54 66 -12 10.5
2 Maserati Roar - 69 62 +7 10.5 -
3 One Irish Rover - 65 80 -15 0.0 -
4 Agressivo - 67 62 +5 10.5 -
5 Kilbrannan Sound - 67 69 -2 7.0 -
6 Olympic Standard - 53 62 -9 10.5 -
7 Tiger Spring - 57 69 -12 7.0 -
8 Grand Finale - 62 69 -7 7.0 -
99 Mccartney - 54 66 -12 10.5 -
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