Official NHA Assessment

Race 1: ATHINA JUVENILE PLATE (Fillies) (For 2 yof R60 000 Win BSA Bonus Series)

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Line Horse
None identified
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
8 / 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    Galla Vanting        2    57.0    1    0.00     2.5   -     -            -     +0
2    Miss Cool            2    60.0    2    0.25     2.5   -     -            -     +0
3    Clean Living         2    57.0    3    3.25     2.5   -     -            -     +0
4    Whatyouwaitingfor    2    57.0    4    4.00     2.5   -     -            -     +0
5    Aniara               2    57.0    5    7.25     2.5   -     -            -     +0
6    Querulous            2    57.0    6    8.25     2.5   -     -            -     +0
7    Act Of Mercy         2    57.0    7    10.75    2.5   -     -            -     +0
8    Mapule               2    57.0    8    13.50    2.5   -     -            -     +0
99   Typeset              2    54.5    99   0.00     2.5   -     -            -     +0
99   Dame Twining         2    55.5    99   0.00     2.5   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Galla Vanting - 54 - +54 2.5 -
2 Miss Cool - 106 - +106 2.5 -
3 Clean Living - 61 - +61 2.5 -
4 Whatyouwaitingfor - 66 - +66 2.5 -
5 Aniara - 69 - +69 2.5 -
6 Querulous - 73 - +73 2.5 -
7 Act Of Mercy - 58 - +58 2.5 -
8 Mapule - 49 - +49 2.5 -
99 Typeset - 94 - - 2.5 -
99 Dame Twining - 72 - - 2.5 -
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