Official NHA Assessment

Race 2: Hollywoodbets DURBANVILLE WELCOMES YOU B STAKES (For All Horses with a nett rating of 101 & below)

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Line Horse
Fatal Gem
Reference for assessment
Exact Matches
1 / 6
Calculated = Official
Close Matches
1 / 6
Within 2 points
Significant Diffs
4 / 6
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    Let It Be Said       3    58.5    1    0.00     3.0   94    85           85    -9
2    Fatal Gem            4    57.5    2    0.30     1.5   91    91           91    +0
3    Rich Folks Hoax      3    55.5    3    3.05     3.0   88    81           81    -7
4    Hampstead Heath      4    55.0    4    4.30     1.5   85    81           81    -4
5    Future Turn          5    58.5    5    6.05     0.0   88    91           91    +3
6    Innamorare           5    60.0    6    15.30    0.0   92    94           94    +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Let It Be Said 94 101 85 +16 3.0 -
2 Fatal Gem Line 91 91 91 ✓ Match 1.5
3 Rich Folks Hoax 88 88 81 +7 3.0 -
4 Hampstead Heath 85 75 81 -6 1.5 -
5 Future Turn 88 78 91 -13 0.0 -
6 Innamorare 92 91 94 -3 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