Official NHA Assessment

Race 9: IN THE BOX SEAT PODCAST MIDDLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Buttercup Baby
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
1 / 14
Within 2 points
Significant Diffs
11 / 14
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    One Smart Cookie     4    58.5    1    0.00     6.0   91    97           97    +6
2    Tara Star            4    56.0    2    1.20     6.0   91    92           92    +1
3    Buttercup Baby       3    53.0    3    1.70     5.0   88    88           88    +0
4    Winter Rainfall      4    55.5    4    3.50     6.0   86    91           91    +5
5    Tomyris              4    60.0    5    3.75     6.0   95    100          100   +5
6    Light Of Gabriel     2    55.5    6    3.80     3.5   90    96           96    +6
7    Fascination          2    51.0    7    4.10     3.5   82    87           87    +5
8    Hierkommiebokkie     5    60.0    8    4.85     0.0   95    112          112   +17
9    Siesta Sunset        2    57.0    9    5.15     3.5   94    99           99    +5
10   Sovereign Grant      4    60.0    10   8.05     6.0   95    100          100   +5
11   Khethiwe's Destiny   3    60.0    11   13.05    5.0   97    102          102   +5
12   West Side Story      3    52.5    12   19.05    5.0   75    87           87    +12
99   Berrington Blew      2    48.5    99   0.00     3.5   -     82           82    +0
99   Versace Onthetrack   2    55.5    99   0.00     3.5   -     96           96    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 One Smart Cookie 91 95 97 -2 6.0 -
2 Tara Star 91 96 92 +4 6.0 -
3 Buttercup Baby Line 88 98 88 +10 5.0
4 Winter Rainfall 86 87 91 -4 6.0 -
5 Tomyris 95 93 100 -7 6.0 -
6 Light Of Gabriel 90 90 96 -6 3.5 -
7 Fascination 82 79 87 -8 3.5 -
8 Hierkommiebokkie 95 90 112 -22 0.0 -
9 Siesta Sunset 94 91 99 -8 3.5 -
10 Sovereign Grant 95 92 100 -8 6.0 -
11 Khethiwe's Destiny 97 92 102 -10 5.0 -
12 West Side Story 75 70 87 -17 5.0 -
99 Berrington Blew - 74 82 -8 3.5 -
99 Versace Onthetrack - 88 96 -8 3.5 -
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