Official NHA Assessment

Race 5: wsb.co.za SOUTHERN CROSS STAKES (Grade 2) (For Fillies & Mares, WFA plus Penalties)

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Line Horse
Kwinta's Light
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
8 / 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    Kwinta's Light       3    60.0    1    0.00     6.0   109   109          109   +0
2    Shantastic           2    60.0    2    0.30     4.0   101   113          113   +12
3    Three Rocks          2    56.5    3    0.60     4.0   104   106          106   +2
4    October Morn         2    56.0    4    0.90     4.0   105   105          105   +0
5    Baltic Secret        2    56.0    5    1.30     4.0   101   105          105   +4
6    Blue Holly           4    56.0    6    2.30     7.0   95    99           99    +4
7    Candy Town           2    56.0    7    2.40     4.0   96    105          105   +9
8    Gimme's Lassie       5    60.0    8    2.45     0.0   101   121          121   +20
9    Hunting Trip         2    60.0    9    2.85     4.0   97    113          113   +16
10   Kiss Me Captain      2    60.0    10   4.10     4.0   111   113          113   +2
11   Miss Marguerite      5    60.0    11   4.15     0.0   96    121          121   +25
12   Oni San              2    56.0    12   4.90     4.0   98    105          105   +7
13   Ripple Effect        2    56.0    13   6.90     4.0   104   105          105   +1
14   Golden Tatjana       4    56.0    14   17.40    7.0   97    99           99    +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kwinta's Light Line 109 109 109 ✓ Match 6.0
2 Shantastic 101 109 113 -4 4.0 -
3 Three Rocks 104 101 106 -5 4.0 -
4 October Morn 105 119 105 +14 4.0 -
5 Baltic Secret 101 98 105 -7 4.0 -
6 Blue Holly 95 85 99 -14 7.0 -
7 Candy Town 96 104 105 -1 4.0 -
8 Gimme's Lassie 101 101 121 -20 0.0 -
9 Hunting Trip 97 96 113 -17 4.0 -
10 Kiss Me Captain 111 112 113 -1 4.0 -
11 Miss Marguerite 96 91 121 -30 0.0 -
12 Oni San 98 78 105 -27 4.0 -
13 Ripple Effect 104 102 105 -3 4.0 -
14 Golden Tatjana 97 67 99 -32 7.0 -
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