Official NHA Assessment

Race 2: DIVIDED HANDICAP 68 (DIVIDED HANDICAP)

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Line Horse
New Galaxy
Reference for assessment
Exact Matches
0 / 4
Calculated = Official
Close Matches
0 / 4
Within 2 points
Significant Diffs
3 / 4
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    Karvani              7    60.0    1    0.00     0.0   68    75           68    +0
2    New Galaxy           4    54.5    2    3.50     3.5   58    58           58    +0
3    Duchess Of War       2    54.5    3    3.60     0.0   57    65           65    +8
4    Bruce's Spirit       6    58.0    4    6.60     0.0   64    71           71    +7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Karvani 68 73 68 +5 0.0 -
2 New Galaxy Line 58 45 58 -13 3.5
3 Duchess Of War 57 55 65 -10 0.0 -
4 Bruce's Spirit 64 55 71 -16 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