Official NHA Assessment

Race 9: PAARL DIAMANT D STAKES (For All Horses with a nett rating of 69 & below)

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Line Horse
Becky Sharp
Reference for assessment
Exact Matches
2 / 9
Calculated = Official
Close Matches
5 / 9
Within 2 points
Significant Diffs
3 / 9
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    Avignon              4    53.0    1    0.00     0.0   52    51           51    -1
2    Becky Sharp          4    61.5    2    1.75     0.0   68    68           68    +0
3    Lovers Lane          2    57.0    3    2.50     1.5   55    56           56    +1
4    Royal Lytham         4    61.5    4    4.25     0.0   67    68           68    +1
5    Champagne Mac        4    61.5    5    5.00     0.0   63    68           68    +5
6    True Horizon         4    56.0    6    6.00     0.0   58    57           57    -1
7    Xplicit Content      4    55.5    7    7.00     0.0   52    56           56    +4
8    Undercover Lover     4    53.0    8    8.00     0.0   47    51           51    +4
9    Electric Feels       5    56.0    9    13.00    0.0   58    57           57    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Avignon 52 61 51 +10 0.0 -
2 Becky Sharp Line 68 68 68 ✓ Match 0.0
3 Lovers Lane 55 58 56 +2 1.5 -
4 Royal Lytham 67 69 68 +1 0.0 -
5 Champagne Mac 63 55 68 -13 0.0 -
6 True Horizon 58 60 57 +3 0.0 -
7 Xplicit Content 52 58 56 +2 0.0 -
8 Undercover Lover 47 45 51 -6 0.0 -
9 Electric Feels 58 57 57 ✓ Match 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