Official NHA Assessment

Race 9: NEXT FAIRVIEW RACEMEETING FRIDAY 13 OCTOBER MR 70 HANDICAP (Open)

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Line Horse
Joyous Jubilee (AUS)
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
4 / 14
Within 2 points
Significant Diffs
7 / 14
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    Toureiro             5    55.0    1    0.00     0.0   60    71           60    +0
2    Coastal Path         5    58.0    2    0.25     0.0   66    77           77    +11
3    American Dream       3    54.0    3    3.25     8.5   66    52           56    -10
4    Joyous Jubilee (AUS  2    57.5    4    3.50     5.5   65    65           65    +0
5    Picture The Moment   4    52.0    5    5.00     10.0  54    45           45    -9
6    Watch Tower          2    59.5    6    5.25     5.5   80    69           70    -10
7    Jackson Misissippi   6    53.5    7    6.50     0.0   57    68           68    +11
8    Captain Tik Tok      5    56.0    8    7.00     0.0   70    73           73    +3
9    Valyrian Sword       2    56.0    9    7.75     5.5   73    62           63    -10
10   Dammi                2    51.0    10   8.00     5.5   60    52           52    -8
11   Bennelong Point      2    58.5    11   11.75    5.5   67    67           67    +0
99   Kuznetsov            2    56.5    99   0.00     5.5   -     63           63    +0
99   Irontail             4    55.5    99   0.00     10.0  -     52           52    +0
99   Jean Paul            3    56.0    99   0.00     8.5   -     56           56    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Toureiro 60 66 60 +6 0.0 -
2 Coastal Path 66 77 77 ✓ Match 0.0 -
3 American Dream 66 81 56 +25 8.5 -
4 Joyous Jubilee (AUS) Line 65 61 65 -4 5.5
5 Picture The Moment 54 50 45 +5 10.0 -
6 Watch Tower 80 68 70 -2 5.5 -
7 Jackson Misissippi 57 58 68 -10 0.0 -
8 Captain Tik Tok 70 72 73 -1 0.0 -
9 Valyrian Sword 73 50 63 -13 5.5 -
10 Dammi 60 55 52 +3 5.5 -
11 Bennelong Point 67 58 67 -9 5.5 -
99 Kuznetsov - 61 63 -2 5.5 -
99 Irontail - 64 52 +12 10.0 -
99 Jean Paul - 62 56 +6 8.5 -
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