Official NHA Assessment

Race 4: CAPE TURF CLUB MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Charlene
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
9 / 12
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    Charlene             2    60.0    1    0.00     1.5   78    78           78    +0
2    Be Merry             2    57.0    2    0.20     1.5   -     72           72    +72
3    Ellorix              4    60.0    3    2.70     0.0   77    81           81    +4
4    Becky Sharp          4    60.0    4    3.70     0.0   -     81           81    +81
5    Stu's Girl           3    57.0    5    5.45     2.5   -     70           70    +70
6    Dafnes Daughter      2    57.0    6    5.85     1.5   -     72           72    +72
7    One Giant Leap       3    57.0    7    7.35     2.5   -     70           70    +70
8    Best Thing Ever      3    60.0    8    7.75     2.5   -     76           76    +76
9    French Toffee        3    60.0    9    10.00    2.5   -     76           76    +76
10   Oh Mandy             3    57.0    10   11.50    2.5   -     70           70    +70
11   Dutchess D'Orange    2    57.5    11   13.75    1.5   -     73           73    +73
99   Keeper's Gold        3    60.0    99   0.00     2.5   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Charlene Line 78 78 78 ✓ Match 1.5
2 Be Merry - 104 72 +32 1.5 -
3 Ellorix 77 100 81 +19 0.0 -
4 Becky Sharp - 68 81 -13 0.0 -
5 Stu's Girl - 67 70 -3 2.5 -
6 Dafnes Daughter - 80 72 +8 1.5 -
7 One Giant Leap - 74 70 +4 2.5 -
8 Best Thing Ever - 68 76 -8 2.5 -
9 French Toffee - - 76 -76 2.5 -
10 Oh Mandy - 64 70 -6 2.5 -
11 Dutchess D'Orange - 52 73 -21 1.5 -
99 Keeper's Gold - - 76 -76 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