Official NHA Assessment

Race 8: KLAWERVLEI STUD CAPE A STAKES (For All Horses)

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Line Horse
Zil Moris
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
7 / 10
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    Rascova              2    58.5    1    0.00     0.0   119   107          107   -12
2    Outlaw King          2    57.0    2    0.30     0.0   106   109          109   +3
3    San Pedro            5    52.5    3    1.30     0.0   97    98           98    +1
4    Zil Moris            2    54.0    4    2.80     0.0   100   100          100   +0
5    Surjay               3    61.5    5    2.90     7.0   124   101          114   -10
6    Get Impressed        2    57.0    6    3.65     0.0   106   105          105   -1
7    Wecangoallnight      2    58.5    7    3.85     0.0   109   108          108   -1
8    Look For Hounds      4    57.0    8    14.85    4.5   104   95           95    -9
99   Royal Aussie         2    61.5    99   0.00     0.0   -     113          113   +0
99   Hluhluwe             2    61.5    99   0.00     0.0   -     113          113   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rascova 119 122 107 +15 0.0 -
2 Outlaw King 106 123 109 +14 0.0 -
3 San Pedro 97 82 98 -16 0.0 -
4 Zil Moris Line 100 100 100 ✓ Match 0.0
5 Surjay 124 121 114 +7 7.0 -
6 Get Impressed 106 103 105 -2 0.0 -
7 Wecangoallnight 109 95 108 -13 0.0 -
8 Look For Hounds 104 104 95 +9 4.5 -
99 Royal Aussie - 120 113 +7 0.0 -
99 Hluhluwe - 118 113 +5 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