Official NHA Assessment

Race 1: 4RACING WELCOMES YOU WORK RIDERS MAIDEN PLATE (For all Maidens)

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Line Horse
Itsnowornever
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 10
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    Bellerophon          3    57.0    1    0.00     8.5   -     -23          -     +0
2    Itsnowornever        5    60.0    2    8.75     0.0   -     -            -     +0
3    Battle Ofthe Bulge   4    60.0    3    14.00    6.0   57    -12          47    -10
4    Nebraska             3    57.0    4    15.00    8.5   -     -23          -     +0
5    Jabberwocky          4    60.0    5    16.10    6.0   51    -12          41    -10
6    Equilateral          3    57.0    6    16.60    8.5   -     -23          -     +0
7    Mrs Wonderful        3    57.0    7    17.40    8.5   10    -23          -     -10
8    Scott's Guard        2    57.0    8    24.00    0.0   -     -6           -     +0
9    Rock My Boat         3    57.0    9    28.00    8.5   64    -23          54    -10
99   Trip To States       5    60.0    99   0.00     0.0   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bellerophon - 89 - +89 8.5 -
2 Itsnowornever Line - 64 - +64 0.0
3 Battle Ofthe Bulge 57 60 47 +13 6.0 -
4 Nebraska - 72 - +72 8.5 -
5 Jabberwocky 51 53 41 +12 6.0 -
6 Equilateral - 82 - +82 8.5 -
7 Mrs Wonderful 10 20 - +20 8.5 -
8 Scott's Guard - 63 - +63 0.0 -
9 Rock My Boat 64 66 54 +12 8.5 -
99 Trip To States - 63 - - 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