Official NHA Assessment

Race 2: WSB MAIDEN 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 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
8 / 11
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    Ciao Bella           2    60.0    1    0.00     2.0   -     -            -     +0
2    Country Time         5    60.0    2    3.75     0.0   -     -            -     +0
3    Golden Hostess       2    60.0    3    4.75     2.0   -     -            -     +0
4    Turn The Page        2    60.0    4    7.25     2.0   -     -            -     +0
5    Betty Boop           2    60.0    5    8.50     2.0   -     -            -     +0
6    Silver Queen         2    60.0    6    8.90     2.0   -     -            -     +0
7    Dreamt I Could Fly   2    60.0    7    10.90    2.0   -     -            -     +0
8    Dawn Dancer          2    60.0    8    13.15    2.0   -     -            -     +0
99   Midwinter Rose       2    60.0    99   0.00     2.0   -     -            -     +0
99   Hear My Voice        2    60.0    99   0.00     2.0   -     -            -     +0
99   Silver Screen        2    60.0    99   0.00     2.0   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ciao Bella - 110 - +110 2.0 -
2 Country Time - 62 - +62 0.0 -
3 Golden Hostess - 112 - +112 2.0 -
4 Turn The Page - 64 - +64 2.0 -
5 Betty Boop - 88 - +88 2.0 -
6 Silver Queen - 60 - +60 2.0 -
7 Dreamt I Could Fly - 57 - +57 2.0 -
8 Dawn Dancer - 50 - +50 2.0 -
99 Midwinter Rose - - - - 2.0 -
99 Hear My Voice - 54 - - 2.0 -
99 Silver Screen - 70 - - 2.0 -
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