Official NHA Assessment

Race 1: 4RACING WELCOMES YOU MAIDEN PLATE (F & M) (For Maiden F & M. R15 000 Win bonus ROA Members)

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Line Horse
Mizzen Sail
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
0 / 12
Within 2 points
Significant Diffs
9 / 12
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    Courageous           4    59.0    1    0.00     3.0   78    65           65    -13
2    Mizzen Sail          2    59.0    2    4.00     0.0   72    72           72    +0
3    Kakiebos             3    59.0    3    8.25     6.0   -     59           59    +59
4    Freedom Square       3    58.5    4    8.75     6.0   63    58           58    -5
5    Life Lesson          3    59.0    5    9.00     6.0   69    59           59    -10
6    Princess Lola        2    59.0    6    10.25    0.0   72    71           71    -1
7    She's A Klawer       2    60.0    7    10.50    0.0   56    73           73    +17
8    Monte Cinto          3    55.0    8    14.00    6.0   45    51           51    +6
9    Superskitt           2    59.0    9    15.50    0.0   68    71           71    +3
10   Love Song            2    59.0    10   20.00    0.0   55    71           71    +16
11   Wild Willow          3    60.0    11   21.50    6.0   40    61           61    +21
99   Aurum Damsel         3    59.0    99   0.00     6.0   -     59           59    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Courageous 78 62 65 -3 3.0 -
2 Mizzen Sail Line 72 87 72 +15 0.0
3 Kakiebos - 75 59 +16 6.0 -
4 Freedom Square 63 63 58 +5 6.0 -
5 Life Lesson 69 49 59 -10 6.0 -
6 Princess Lola 72 60 71 -11 0.0 -
7 She's A Klawer 56 50 73 -23 0.0 -
8 Monte Cinto 45 48 51 -3 6.0 -
9 Superskitt 68 59 71 -12 0.0 -
10 Love Song 55 59 71 -12 0.0 -
11 Wild Willow 40 38 61 -23 6.0 -
99 Aurum Damsel - - 59 -59 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