Official NHA Assessment

Race 1: HOLLYWOODBETS KENILWORTH WELCOMES YOU WORK RIDERS' MAIDEN PLATE (For all Maidens)

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Line Horse
Casino Ace
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
6 / 8
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    Casino Ace           5    62.0    1    0.00     0.0   68    68           68    +0
2    Tam's Knight         3    62.0    2    1.50     5.0   -     58           58    +58
3    Consigliere          3    62.0    3    1.90     5.0   66    58           58    -8
4    Three Coins          2    59.5    4    2.00     3.5   75    56           65    -10
5    Rogue Male           3    62.0    5    2.30     5.0   45    58           58    +13
6    Kaapse Hoop          3    59.5    6    3.80     5.0   -     53           53    +53
7    Captain Cool         3    62.0    7    4.80     5.0   77    58           67    -10
8    Black Hole Sun       4    59.5    8    6.55     6.0   46    51           51    +5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Casino Ace Line 68 56 68 -12 0.0
2 Tam's Knight - 76 58 +18 5.0 -
3 Consigliere 66 70 58 +12 5.0 -
4 Three Coins 75 76 65 +11 3.5 -
5 Rogue Male 45 50 58 -8 5.0 -
6 Kaapse Hoop - 73 53 +20 5.0 -
7 Captain Cool 77 72 67 +5 5.0 -
8 Black Hole Sun 46 53 51 +2 6.0 -
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