Official NHA Assessment

Race 7: www.hollywoodbets.net D STAKES (For All Horses with a nett rating of 69 & below)

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Line Horse
True Horizon
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
6 / 11
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    Why Not Jackie       5    59.0    1    0.00     0.0   63    67           67    +4
2    Tambourine Man       5    61.5    2    0.50     0.0   64    72           72    +8
3    True Horizon         4    56.0    3    3.25     2.0   57    57           57    +0
4    Black Path           6    53.0    4    4.50     0.0   51    55           55    +4
5    Wylie Jack           6    60.0    5    4.80     0.0   61    69           69    +8
6    Lovers Lane          2    58.5    6    5.10     0.5   56    65           65    +9
7    Gravity              4    56.0    7    6.35     2.0   60    57           57    -3
8    Royal Lytham         4    59.0    8    8.85     2.0   63    63           63    +0
9    Timeline             3    54.0    9    11.60    1.5   65    54           55    -10
10   Champagne Mac        4    60.0    10   99.99    2.0   62    65           65    +3
99   Palace Gift          3    64.0    99   0.00     1.5   -     74           74    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Why Not Jackie 63 65 67 -2 0.0 -
2 Tambourine Man 64 64 72 -8 0.0 -
3 True Horizon Line 57 60 57 +3 2.0
4 Black Path 51 58 55 +3 0.0 -
5 Wylie Jack 61 61 69 -8 0.0 -
6 Lovers Lane 56 58 65 -7 0.5 -
7 Gravity 60 63 57 +6 2.0 -
8 Royal Lytham 63 69 63 +6 2.0 -
9 Timeline 65 53 55 -2 1.5 -
10 Champagne Mac 62 55 65 -10 2.0 -
99 Palace Gift - 77 74 +3 1.5 -
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