Official NHA Assessment

Race 5: GLOBAL TEAM HORSE RACING MR 96 HANDICAP (Open)

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Line Horse
Al's My Daddy
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
5 / 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    Dockofthebay         3    56.5    1    0.00     8.5   89    69           89    +0
2    Mr Fitz              6    57.0    2    1.60     0.0   90    90           90    +0
3    Chattertons Keeper   5    60.5    3    2.20     0.0   100   97           97    -3
4    Al's My Daddy        5    53.0    4    2.25     0.0   82    82           82    +0
5    Baby Shooz           5    56.0    5    2.40     0.0   88    87           87    -1
6    Desolate Road        6    54.0    6    2.45     0.0   87    83           83    -4
7    Goodtime Guy         4    60.0    7    2.75     6.0   96    83           86    -10
8    Lady Legend          5    53.5    8    3.65     0.0   91    81           81    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dockofthebay 89 71 89 -18 8.5 -
2 Mr Fitz 90 88 90 -2 0.0 -
3 Chattertons Keeper 100 98 97 +1 0.0 -
4 Al's My Daddy Line 82 70 82 -12 0.0
5 Baby Shooz 88 73 87 -14 0.0 -
6 Desolate Road 87 82 83 -1 0.0 -
7 Goodtime Guy 96 96 86 +10 6.0 -
8 Lady Legend 91 92 81 +11 0.0 -
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