Official NHA Assessment

Race 5: www.wsb.co.za FM 84 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Aquae Sulis
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
6 / 11
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    Rockie Reef          3    54.5    1    0.00     2.5   73    68           73    +0
2    Let's Not Linger     4    61.0    2    0.30     1.0   86    89           89    +3
3    Aquae Sulis          5    59.0    3    1.50     0.0   85    85           85    +0
4    Lillybelle           6    60.5    4    2.55     0.0   85    87           87    +2
5    Zinikele             5    58.5    5    3.95     0.0   86    82           82    -4
6    Love Bomb            4    59.5    6    4.75     1.0   83    81           81    -2
7    Oh So Squishy        3    59.5    7    5.55     2.5   83    78           78    -5
8    Cataleya Summer      2    52.5    8    6.75     0.0   74    69           69    -5
9    Capetown Beauty      3    60.5    9    7.05     2.5   85    80           80    -5
10   Manic Monday         3    52.0    10   7.10     2.5   72    63           63    -9
11   Jam Jam              2    54.5    11   13.80    0.0   78    73           73    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rockie Reef 73 97 73 +24 2.5 -
2 Let's Not Linger 86 87 89 -2 1.0 -
3 Aquae Sulis Line 85 69 85 -16 0.0
4 Lillybelle 85 73 87 -14 0.0 -
5 Zinikele 86 89 82 +7 0.0 -
6 Love Bomb 83 77 81 -4 1.0 -
7 Oh So Squishy 83 68 78 -10 2.5 -
8 Cataleya Summer 74 74 69 +5 0.0 -
9 Capetown Beauty 85 76 80 -4 2.5 -
10 Manic Monday 72 61 63 -2 2.5 -
11 Jam Jam 78 63 73 -10 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