Official NHA Assessment

Race 7: TAB 4RACING APP CLASSIFIED STAKES (For horses with nett rating of 74 and below)

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Line Horse
Fujisan
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
4 / 10
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    Holocene             4    60.0    1    0.00     2.5   72    73           73    +1
2    Fujisan              4    58.0    2    5.25     2.5   69    69           69    +0
3    Scampton             2    60.0    3    5.50     0.0   73    78           78    +5
4    Red William          5    60.0    4    6.00     0.0   74    78           78    +4
5    Winning Captain      3    52.5    5    6.25     5.0   58    53           53    -5
6    Chroniclesofnania    5    53.0    6    7.00     0.0   64    64           64    +0
7    Ravilious            3    56.0    7    16.25    5.0   74    60           64    -10
8    Sundrop              6    50.5    8    16.75    0.0   50    59           59    +9
9    Oliver Twist         3    58.0    9    20.00    5.0   79    64           69    -10
10   Double Trade         2    51.0    10   26.25    0.0   72    60           62    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Holocene 72 76 73 +3 2.5 -
2 Fujisan Line 69 60 69 -9 2.5
3 Scampton 73 70 78 -8 0.0 -
4 Red William 74 83 78 +5 0.0 -
5 Winning Captain 58 54 53 +1 5.0 -
6 Chroniclesofnania 64 60 64 -4 0.0 -
7 Ravilious 74 81 64 +17 5.0 -
8 Sundrop 50 48 59 -11 0.0 -
9 Oliver Twist 79 68 69 -1 5.0 -
10 Double Trade 72 67 62 +5 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