Official NHA Assessment

Race 6: LIBERTY MIDLANDS MALL MIDDLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Convocation
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
8 / 12
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    Tara Star            4    57.0    1    0.00     5.0   91    81           81    -10
2    Convocation          5    58.5    2    0.25     0.0   94    94           94    +0
3    Serengetti Sun       2    58.5    3    0.55     3.0   100   88           90    -10
4    Buttercup Baby       3    55.5    4    0.70     4.5   88    79           79    -9
5    One Smart Cookie     4    60.0    5    2.30     5.0   95    87           87    -8
6    Back At The George   2    57.0    6    2.35     3.0   90    85           85    -5
7    Limitless Sky        2    57.0    7    2.65     3.0   96    85           86    -10
8    Queen Braganza       3    56.0    8    3.05     4.5   89    80           80    -9
9    Magical View         3    58.5    9    4.85     4.5   91    85           85    -6
10   Ubukhwebezana        4    57.0    10   5.35     5.0   88    81           81    -7
11   Miss Ladyaterix      3    58.5    11   5.40     4.5   93    85           85    -8
12   Comic Relief         2    55.5    12   5.50     3.0   90    82           82    -8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tara Star 91 96 81 +15 5.0 -
2 Convocation Line 94 94 94 ✓ Match 0.0
3 Serengetti Sun 100 100 90 +10 3.0 -
4 Buttercup Baby 88 98 79 +19 4.5 -
5 One Smart Cookie 95 95 87 +8 5.0 -
6 Back At The George 90 90 85 +5 3.0 -
7 Limitless Sky 96 98 86 +12 3.0 -
8 Queen Braganza 89 94 80 +14 4.5 -
9 Magical View 91 88 85 +3 4.5 -
10 Ubukhwebezana 88 93 81 +12 5.0 -
11 Miss Ladyaterix 93 92 85 +7 4.5 -
12 Comic Relief 90 81 82 -1 3.0 -
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