Official NHA Assessment

Race 7: KINGS CUP (Listed) (For all Horses)

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Line Horse
Okavango
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
6 / 9
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    Okavango             3    63.0    1    0.00     3.0   123   123          123   +0
2    King Pelles          3    62.0    2    0.60     3.0   122   126          126   +4
3    Jp's Palace          3    51.5    3    2.90     3.0   91    102          102   +11
4    Field Marshal        3    59.0    4    4.20     3.0   107   116          116   +9
5    Shoot The Rapids     4    62.0    5    4.60     1.5   117   124          124   +7
6    Imposing             2    59.0    6    4.70     0.0   107   121          121   +14
7    Claw                 4    52.0    7    5.10     1.5   92    104          104   +12
8    Gimmefabulous        3    54.0    8    8.40     3.0   103   105          105   +2
9    Madison Valley       4    62.0    9    10.50    1.5   116   124          124   +8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Okavango Line 123 123 123 ✓ Match 3.0
2 King Pelles 122 122 126 -4 3.0 -
3 Jp's Palace 91 93 102 -9 3.0 -
4 Field Marshal 107 107 116 -9 3.0 -
5 Shoot The Rapids 117 117 124 -7 1.5 -
6 Imposing 107 107 121 -14 0.0 -
7 Claw 92 91 104 -13 1.5 -
8 Gimmefabulous 103 103 105 -2 3.0 -
9 Madison Valley 116 116 124 -8 1.5 -
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