Official NHA Assessment

Race 2: TAKING THE REINS CAPE B STAKES (F & M) (For Fillies & Mares with a nett rating of 96 & below)

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Line Horse
Go Like Flo
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
5 / 8
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    Southern Skies       3    60.0    1    0.00     8.0   92    74           74    -18
2    Girl Like Us         4    55.5    2    0.50     5.0   84    76           76    -8
3    Symphony In White    2    59.0    3    1.75     0.0   105   91           95    -10
4    Go Like Flo          5    57.0    4    1.85     0.0   87    87           87    +0
5    Trip To Maputo       2    57.0    5    2.35     0.0   87    86           86    -1
6    Gimmethatpearl       3    57.0    6    4.10     8.0   87    69           77    -10
7    Kinda Wonderful      2    58.5    7    5.35     0.0   104   87           94    -10
8    Kyalami Girl         2    58.5    8    12.35    0.0   90    87           87    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Southern Skies 92 97 74 +23 8.0 -
2 Girl Like Us 84 80 76 +4 5.0 -
3 Symphony In White 105 103 95 +8 0.0 -
4 Go Like Flo Line 87 85 87 -2 0.0
5 Trip To Maputo 87 96 86 +10 0.0 -
6 Gimmethatpearl 87 98 77 +21 8.0 -
7 Kinda Wonderful 104 108 94 +14 0.0 -
8 Kyalami Girl 90 88 87 +1 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