Official NHA Assessment

Race 6: SIR THEOPHILUS ST GEORGE FM 84 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Capetown Beauty
Reference for assessment
Exact Matches
2 / 10
Calculated = Official
Close Matches
5 / 10
Within 2 points
Significant Diffs
3 / 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    Blue Horizon         4    53.0    1    0.00     1.0   77    68           77    +0
2    Sashay Away          3    59.5    2    1.05     2.0   91    83           83    -8
3    Capetown Beauty      3    59.0    3    1.15     2.0   82    82           82    +0
4    Sweet Symphony       3    61.5    4    4.05     2.0   87    84           84    -3
5    Kailene              3    59.0    5    4.65     2.0   82    78           78    -4
6    Lady Lacewing        2    55.5    6    5.05     0.0   80    75           75    -5
7    African Folklore     2    55.0    7    8.15     0.0   79    74           74    -5
8    Mvulazana            3    61.0    8    8.20     2.0   86    82           82    -4
9    Fabulous             2    56.0    9    10.50    0.0   79    76           76    -3
99   Bosnay               4    58.0    99   0.00     1.0   -     78           78    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Blue Horizon 77 84 77 +7 1.0 -
2 Sashay Away 91 88 83 +5 2.0 -
3 Capetown Beauty Line 82 76 82 -6 2.0
4 Sweet Symphony 87 86 84 +2 2.0 -
5 Kailene 82 79 78 +1 2.0 -
6 Lady Lacewing 80 58 75 -17 0.0 -
7 African Folklore 79 76 74 +2 0.0 -
8 Mvulazana 86 82 82 ✓ Match 2.0 -
9 Fabulous 79 76 76 ✓ Match 0.0 -
99 Bosnay - 74 78 -4 1.0 -
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