Official NHA Assessment

Race 5: SA HOME LOANS PINNACLE STAKES (For all horses)

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Line Horse
Party Time
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    After The Rain       4    56.0    1    0.00     5.0   98    105          104   +6
2    Party Time           3    57.0    2    2.00     8.0   104   104          104   +0
3    Full Blast           4    48.5    3    4.30     5.0   86    90           90    +4
4    Donald McDonald      5    58.5    4    4.70     0.0   105   120          120   +15
5    Mount Pleasant (AUS  4    57.0    5    4.85     5.0   103   107          107   +4
6    Hasta Manana         3    54.5    6    4.95     8.0   99    96           96    -3
7    Tread Swiftly        4    56.0    7    5.05     5.0   99    105          105   +6
8    Ikigai               8    57.0    8    5.95     0.0   106   117          117   +11
9    Run As One           3    51.5    9    6.45     8.0   89    90           90    +1
10   Shango               5    60.0    10   8.75     0.0   111   123          123   +12
11   Oscar Wilde          5    57.0    11   16.85    0.0   100   117          117   +17
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 After The Rain 98 98 104 -6 5.0 -
2 Party Time Line 104 104 104 ✓ Match 8.0
3 Full Blast 86 86 90 -4 5.0 -
4 Donald McDonald 105 107 120 -13 0.0 -
5 Mount Pleasant (AUS) 103 71 107 -36 5.0 -
6 Hasta Manana 99 88 96 -8 8.0 -
7 Tread Swiftly 99 90 105 -15 5.0 -
8 Ikigai 106 91 117 -26 0.0 -
9 Run As One 89 79 90 -11 8.0 -
10 Shango 111 105 123 -18 0.0 -
11 Oscar Wilde 100 95 117 -22 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