Official NHA Assessment

Race 2: BOOK FOR MOTHER'S DAY LUNCHEON 12 MAY JUVENILE PLATE (Fillies) (For 2 yof R100 000 Win BSA / CRS Bonus)

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Line Horse
None identified
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 7
Within 2 points
Significant Diffs
7 / 7
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    Little Ballerina     2    60.0    1    0.00     1.5   -     -            -     +0
2    Kindred Heart        3    58.0    2    0.25     2.5   -     -            -     +0
3    Force Eight          3    58.0    3    1.50     2.5   -     -            -     +0
4    Green Sapphire       3    55.0    4    2.00     2.5   -     -            -     +0
5    It's Her Way         3    58.0    5    6.50     2.5   -     -            -     +0
6    Lacewing             3    55.0    6    8.25     2.5   -     -            -     +0
7    My Gal Viv           2    55.0    7    99.99    1.5   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Little Ballerina - 104 - +104 1.5 -
2 Kindred Heart - 88 - +88 2.5 -
3 Force Eight - 77 - +77 2.5 -
4 Green Sapphire - 109 - +109 2.5 -
5 It's Her Way - 91 - +91 2.5 -
6 Lacewing - 71 - +71 2.5 -
7 My Gal Viv - 64 - +64 1.5 -
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