Official NHA Assessment

Race 6: TAB 4RACING APP MR 68 HANDICAP (Open)

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Line Horse
Ellis Island
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
4 / 12
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    Light Without        4    60.5    1    0.00     3.5   69    69           69    +0
2    Then In Focus        2    59.0    2    1.25     0.0   72    79           79    +7
3    Ellis Island         4    56.0    3    6.00     3.5   60    60           60    +0
4    Mohandas             3    61.0    4    8.00     7.0   71    63           63    -8
5    Desert Fox           3    57.0    5    9.25     7.0   63    55           55    -8
6    Keep The Fort        3    60.5    6    9.50     7.0   70    62           62    -8
7    Woodland Ridge       2    58.5    7    10.00    0.0   66    72           72    +6
8    Sassy                2    54.0    8    13.50    0.0   57    63           63    +6
9    Dirty Martini        4    52.0    9    15.75    3.5   52    52           52    +0
10   Almighwaar           3    54.0    10   17.00    7.0   56    49           49    -7
11   Global Banker        4    56.0    11   40.00    3.5   74    60           64    -10
12   Lord Nelson          3    59.0    12   99.99    7.0   67    59           59    -8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Light Without 69 71 69 +2 3.5 -
2 Then In Focus 72 71 79 -8 0.0 -
3 Ellis Island Line 60 66 60 +6 3.5
4 Mohandas 71 64 63 +1 7.0 -
5 Desert Fox 63 57 55 +2 7.0 -
6 Keep The Fort 70 66 62 +4 7.0 -
7 Woodland Ridge 66 69 72 -3 0.0 -
8 Sassy 57 55 63 -8 0.0 -
9 Dirty Martini 52 50 52 -2 3.5 -
10 Almighwaar 56 54 49 +5 7.0 -
11 Global Banker 74 55 64 -9 3.5 -
12 Lord Nelson 67 55 59 -4 7.0 -
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