Official NHA Assessment

Race 2: CAPE TURF CLUB OPEN MAIDEN (F & M) (For all Fillies & Mares)

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Line Horse
English Mistress
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 10
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    Lady Springfield     3    56.5    1    0.00     9.5   -     54           6     +6
2    Lavender Bay         4    58.0    2    0.40     6.0   68    69           69    +1
3    English Mistress     4    61.0    3    1.15     6.0   74    74           74    +0
4    Darling Girl         2    52.5    4    1.90     0.0   72    68           68    -4
5    Lucky Thirteen       4    53.5    5    2.40     6.0   57    57           57    +0
6    Wedding Bells        2    54.0    6    5.65     0.0   60    68           68    +8
7    Dymondia             2    53.5    7    6.90     0.0   55    67           67    +12
8    Welsh Starlet        3    52.5    8    7.00     9.5   67    46           57    -10
9    French Toffee        3    60.0    9    10.50    9.5   -     61           61    +61
99   Style Icon           4    59.5    99   0.00     6.0   -     67           67    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Lady Springfield - 81 6 +75 9.5 -
2 Lavender Bay 68 95 69 +26 6.0 -
3 English Mistress Line 74 70 74 -4 6.0
4 Darling Girl 72 54 68 -14 0.0 -
5 Lucky Thirteen 57 49 57 -8 6.0 -
6 Wedding Bells 60 52 68 -16 0.0 -
7 Dymondia 55 49 67 -18 0.0 -
8 Welsh Starlet 67 63 57 +6 9.5 -
9 French Toffee - - 61 -61 9.5 -
99 Style Icon - 54 67 -13 6.0 -
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