Official NHA Assessment

Race 1: 4RACING WELCOMES YOU MAIDEN JUVENILE PLATE (Fillies) (For 2 yof R100 000 Win BSA / CRS Bonus)

Back to Race
Line Horse
None identified
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
8 / 9
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Back From War        2    60.0    1    0.00     0.0   -     -            -     +0
2    Japanese Garden      2    60.0    2    2.30     0.0   -     -            -     +0
3    Hazy Dazy            2    60.0    3    3.55     0.0   -     -            -     +0
4    Bold Action          2    60.0    4    4.85     0.0   -     -            -     +0
5    Hopscotch            2    56.0    5    6.55     0.0   -     -            -     +0
6    Fair Proposal        2    60.0    6    7.55     0.0   -     -            -     +0
7    Nothing Compares     2    60.0    7    14.80    0.0   -     -            -     +0
8    Gulf Of America      2    60.0    8    22.05    0.0   -     -            -     +0
99   Opera Fan            2    60.0    99   0.00     0.0   -     -            -     +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Back From War - 86 - +86 0.0 -
2 Japanese Garden - 71 - +71 0.0 -
3 Hazy Dazy - 117 - +117 0.0 -
4 Bold Action - 62 - +62 0.0 -
5 Hopscotch - 66 - +66 0.0 -
6 Fair Proposal - 83 - +83 0.0 -
7 Nothing Compares - 59 - +59 0.0 -
8 Gulf Of America - 76 - +76 0.0 -
99 Opera Fan - 81 - - 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