Official NHA Assessment

Race 1: GTH 50/50 DASH MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Where's The Party
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 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    Where's The Party    5    54.0    1    0.00     0.0   -     -            -     +0
2    Cape Princess        3    60.0    2    1.00     10.5  56    -9           46    -10
3    Joy To The World     2    58.0    3    4.00     7.0   -     -6           -     +0
4    Namibsroos           3    60.0    4    5.10     10.5  62    -9           52    -10
5    Central Tower        3    58.5    5    7.00     10.5  -     -12          -     +0
6    Adelante             3    60.0    6    9.50     10.5  -     -9           -     +0
7    Royal Venus          2    58.0    7    12.80    7.0   -     -6           -     +0
8    Pixie In Love        3    58.0    8    14.90    10.5  -     -13          -     +0
99   Mia Sophia           3    60.0    99   0.00     10.5  -     -9           -9    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Where's The Party Line - 85 - +85 0.0
2 Cape Princess 56 45 46 -1 10.5 -
3 Joy To The World - 45 - +45 7.0 -
4 Namibsroos 62 57 52 +5 10.5 -
5 Central Tower - 37 - +37 10.5 -
6 Adelante - 50 - +50 10.5 -
7 Royal Venus - 50 - +50 7.0 -
8 Pixie In Love - 61 - +61 10.5 -
99 Mia Sophia - 62 -9 +71 10.5 -
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