Official NHA Assessment

Race 4: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Wave Warrior
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
8 / 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    Famous And Rich      2    56.0    1    0.00     0.0   -     59           6     +6
2    Wave Warrior         3    60.0    2    1.70     0.5   69    69           69    +0
3    Unique Power         3    60.0    3    4.90     0.5   -     66           66    +66
4    Slurricane           3    60.0    4    5.20     0.5   62    66           66    +4
5    Flying Wonder        3    56.0    5    8.40     0.5   55    58           58    +3
6    Anotherdayinafrica   6    60.0    6    8.65     0.0   64    67           67    +3
7    Lockheed Electra     3    60.0    7    10.55    0.5   52    66           66    +14
8    Eagle Quest          2    56.0    8    13.25    0.0   -     59           59    +59
9    William The Good     3    56.0    9    16.75    0.5   39    58           58    +19
99   Denver               3    60.0    99   0.00     0.5   -     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 Famous And Rich - 66 6 +60 0.0 -
2 Wave Warrior Line 69 68 69 -1 0.5
3 Unique Power - 63 66 -3 0.5 -
4 Slurricane 62 76 66 +10 0.5 -
5 Flying Wonder 55 52 58 -6 0.5 -
6 Anotherdayinafrica 64 49 67 -18 0.0 -
7 Lockheed Electra 52 51 66 -15 0.5 -
8 Eagle Quest - 53 59 -6 0.0 -
9 William The Good 39 38 58 -20 0.5 -
99 Denver - 58 66 -8 0.5 -
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