Official NHA Assessment

Race 6: RACING240 MR 84 HANDICAP (Open)

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Line Horse
Ensuing
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
2 / 9
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    The Last Duke        2    58.0    1    0.00     6.5   93    88           93    +0
2    Ensuing              2    59.0    2    0.60     6.5   90    90           90    +0
3    Red Penny            2    57.0    3    2.00     6.5   91    86           86    -5
4    Drivelikeamaster     3    57.0    4    2.50     9.5   81    80           80    -1
5    Longsword            2    59.0    5    2.80     6.5   82    90           90    +8
6    Got The Feeling      2    58.0    6    3.90     6.5   93    88           88    -5
7    Nazare               3    54.0    7    5.60     9.5   72    74           74    +2
8    Alpha World          2    55.0    8    5.90     6.5   87    82           82    -5
99   Vibe Sa              2    60.5    99   0.00     6.5   -     93           93    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 The Last Duke 93 102 93 +9 6.5 -
2 Ensuing Line 90 87 90 -3 6.5
3 Red Penny 91 85 86 -1 6.5 -
4 Drivelikeamaster 81 81 80 +1 9.5 -
5 Longsword 82 72 90 -18 6.5 -
6 Got The Feeling 93 90 88 +2 6.5 -
7 Nazare 72 70 74 -4 9.5 -
8 Alpha World 87 87 82 +5 6.5 -
99 Vibe Sa - 92 93 -1 6.5 -
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