Official NHA Assessment

Race 5: CHOC CHILDHOOD CANCER FOUNDATION - PORT ELIZABETH FM 76 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Red Sash
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
6 / 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    You Win Again        5    60.0    1    0.00     0.0   76    76           76    +0
2    Red Sash             5    61.0    2    0.75     0.0   78    78           78    +0
3    Enchanted Sky        2    60.5    3    0.85     0.5   78    76           76    -2
4    Ella's Delight       2    53.0    4    0.90     0.5   70    61           61    -9
5    Executor             5    58.5    5    3.15     0.0   73    73           73    +0
6    Act Naturally        2    59.0    6    3.25     0.5   74    73           73    -1
7    Kabon Kapi           5    55.5    7    5.75     0.0   75    67           67    -8
8    Isn't She Bonny      2    60.0    8    6.25     0.5   79    75           75    -4
9    Pomodoro Magic       5    57.5    9    8.25     0.0   71    71           71    +0
10   Global Lady          3    56.5    10   8.50     1.5   70    66           66    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 You Win Again 76 83 76 +7 0.0 -
2 Red Sash Line 78 101 78 +23 0.0
3 Enchanted Sky 78 78 76 +2 0.5 -
4 Ella's Delight 70 71 61 +10 0.5 -
5 Executor 73 87 73 +14 0.0 -
6 Act Naturally 74 72 73 -1 0.5 -
7 Kabon Kapi 75 96 67 +29 0.0 -
8 Isn't She Bonny 79 71 75 -4 0.5 -
9 Pomodoro Magic 71 53 71 -18 0.0 -
10 Global Lady 70 65 66 -1 1.5 -
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