Official NHA Assessment

Race 2: CAPE RACING SALES RESTRICTED MAIDEN JUVENILE PLATE (For 2 yo R100 000 Win BSA Bonus Series)

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
9 / 9
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Zoomie               2    60.0    1    0.00     0.0   -     -            -     +0
2    Diamond Rock         4    60.0    2    1.00     0.5   -     -            -     +0
3    Spirit's Unite       2    60.0    3    1.40     0.0   -     -            -     +0
4    Ozark                4    60.0    4    1.70     0.5   -     -            -     +0
5    Renowned             2    60.0    5    4.95     0.0   -     -            -     +0
6    Lindbergh            2    60.0    6    5.95     0.0   -     -            -     +0
7    Flash Lightning      4    60.0    7    7.20     0.5   -     -            -     +0
8    Signifier            2    60.0    8    7.25     0.0   -     -            -     +0
9    Prince Of Denmark    4    60.0    9    10.00    0.5   -     -            -     +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zoomie - 86 - +86 0.0 -
2 Diamond Rock - 78 - +78 0.5 -
3 Spirit's Unite - 70 - +70 0.0 -
4 Ozark - 61 - +61 0.5 -
5 Renowned - 55 - +55 0.0 -
6 Lindbergh - 85 - +85 0.0 -
7 Flash Lightning - 69 - +69 0.5 -
8 Signifier - 71 - +71 0.0 -
9 Prince Of Denmark - 51 - +51 0.5 -
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