Official NHA Assessment

Race 2: LUCKY FISH DIAMOND RISE OPEN MAIDEN (F & M) (For all Maiden Fillies & Mares)

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Line Horse
Raffish Trend
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
8 / 9
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    Got The Look         2    61.0    1    0.00     5.0   78    3            3     -75
2    Gimme The Power      2    55.5    2    1.25     5.0   67    -8           57    -10
3    Raffish Trend        2    59.5    3    4.50     5.0   -     -            -     +0
4    Larking About        3    51.5    4    5.50     7.5   57    -21          47    -10
5    Autumn Rush          3    48.5    5    6.50     7.5   60    -27          50    -10
6    Meghan's Diamond     2    58.0    6    6.70     5.0   72    -3           62    -10
7    Pennys Choice        2    58.0    7    6.90     5.0   75    -3           65    -10
8    United We Stand      3    53.5    8    7.30     7.5   50    -17          40    -10
9    Surely Not           3    59.5    9    11.55    7.5   -     -5           -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Got The Look 78 76 3 +73 5.0 -
2 Gimme The Power 67 69 57 +12 5.0 -
3 Raffish Trend Line - 73 - +73 5.0
4 Larking About 57 55 47 +8 7.5 -
5 Autumn Rush 60 68 50 +18 7.5 -
6 Meghan's Diamond 72 76 62 +14 5.0 -
7 Pennys Choice 75 65 65 ✓ Match 5.0 -
8 United We Stand 50 50 40 +10 7.5 -
9 Surely Not - 60 - +60 7.5 -
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