Official NHA Assessment

Race 6: #destinationcaperacing CAPE C STAKES (For All Horses with a nett rating of 74 & below)

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Line Horse
William West
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 7
Within 2 points
Significant Diffs
7 / 7
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    Axl                  3    61.5    1    0.00     7.5   72    79           78    +6
2    William West         2    61.5    2    2.50     5.0   84    84           84    +0
3    Rock On Tommy        3    51.0    3    3.25     7.5   50    58           58    +8
4    Bonanza              3    55.5    4    3.55     7.5   62    67           67    +5
5    Major Apollo         2    61.5    5    3.95     5.0   84    84           84    +0
6    Wordsworth           7    54.0    6    5.20     0.0   59    79           79    +20
7    Wylie Jack           6    54.5    7    8.95     0.0   58    80           80    +22
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Axl 72 84 78 +6 7.5 -
2 William West Line 84 51 84 -33 5.0
3 Rock On Tommy 50 50 58 -8 7.5 -
4 Bonanza 62 57 67 -10 7.5 -
5 Major Apollo 84 72 84 -12 5.0 -
6 Wordsworth 59 65 79 -14 0.0 -
7 Wylie Jack 58 61 80 -19 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