Official NHA Assessment

Race 8: RACECAPE POWERED BY Hollywoodbets D STAKES (For All Horses with a nett rating of 69 & below)

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Line Horse
Champagne Mac
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
7 / 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    Gravity              4    56.0    1    0.00     0.0   56    52           52    -4
2    Champagne Mac        4    61.5    2    1.25     0.0   63    63           63    +0
3    Angel's Oasis        3    61.5    3    4.00     2.5   71    58           61    -10
4    Country Time         5    50.5    4    4.40     0.0   53    41           43    -10
5    William West         2    64.0    5    4.70     1.5   66    65           65    -1
6    Over The Atlantic    3    53.5    6    6.45     2.5   56    42           46    -10
7    Wylie Jack           6    61.5    7    8.95     0.0   62    63           63    +1
8    Xplicit Content      4    57.0    8    12.20    0.0   53    54           54    +1
9    Mrs Shackleton       2    55.0    9    16.70    1.5   56    47           47    -9
10   Pushing Limits       3    61.5    10   28.70    2.5   66    58           58    -8
99   Winteronthegreen     3    56.5    99   0.00     2.5   -     48           48    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Gravity 56 63 52 +11 0.0 -
2 Champagne Mac Line 63 55 63 -8 0.0
3 Angel's Oasis 71 64 61 +3 2.5 -
4 Country Time 53 62 43 +19 0.0 -
5 William West 66 51 65 -14 1.5 -
6 Over The Atlantic 56 56 46 +10 2.5 -
7 Wylie Jack 62 61 63 -2 0.0 -
8 Xplicit Content 53 58 54 +4 0.0 -
9 Mrs Shackleton 56 50 47 +3 1.5 -
10 Pushing Limits 66 73 58 +15 2.5 -
99 Winteronthegreen - 61 48 +13 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