Official NHA Assessment

Race 9: Hollywoodbets BRIGHT FUTURE CAPE C STAKES (For All Horses with a nett rating of 74 & below)

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Line Horse
Trippi's Silk
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
6 / 12
Within 2 points
Significant Diffs
6 / 12
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    Swift Action         3    60.0    1    0.00     2.5   69    67           67    -2
2    Major Apollo         2    58.5    2    2.75     1.5   69    66           66    -3
3    Trippi's Silk        4    61.5    3    3.05     0.0   75    75           75    +0
4    Wylie Jack           6    55.5    4    4.80     0.0   62    63           63    +1
5    William West         2    61.5    5    4.90     1.5   75    72           72    -3
6    Rougarouin           4    61.5    6    5.65     0.0   76    75           75    -1
7    Tibetan Voyage       3    51.5    7    5.85     2.5   62    50           52    -10
8    Casino Ace           5    58.5    8    6.15     0.0   68    69           69    +1
9    Mrs Shackleton       2    50.0    9    6.55     1.5   56    49           49    -7
10   Question Of Faith    2    60.0    10   10.05    1.5   72    69           69    -3
11   Wordsworth           7    57.0    11   14.55    0.0   65    66           66    +1
99   Final Move           3    51.0    99   0.00     2.5   -     49           49    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Swift Action 69 77 67 +10 2.5 -
2 Major Apollo 69 72 66 +6 1.5 -
3 Trippi's Silk Line 75 73 75 -2 0.0
4 Wylie Jack 62 61 63 -2 0.0 -
5 William West 75 51 72 -21 1.5 -
6 Rougarouin 76 69 75 -6 0.0 -
7 Tibetan Voyage 62 51 52 -1 2.5 -
8 Casino Ace 68 56 69 -13 0.0 -
9 Mrs Shackleton 56 50 49 +1 1.5 -
10 Question Of Faith 72 51 69 -18 1.5 -
11 Wordsworth 65 65 66 -1 0.0 -
99 Final Move - 50 49 +1 2.5 -
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