Official NHA Assessment

Race 5: SANTA'S JULY FEVER CLASS 4 (Open. Benchmark at 60.0kg = 82)

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Line Horse
Chill In The Air
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
4 / 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    El Dante             7    60.0    1    0.00     0.0   82    96           88    +6
2    High Queue           4    56.0    2    1.30     3.5   74    86           86    +12
3    Chill In The Air     3    58.0    3    2.60     7.0   82    82           82    +0
4    Bruh                 2    59.0    4    2.65     0.0   99    98           98    -1
5    Gotta Go Eddie       2    57.5    5    3.15     0.0   91    94           94    +3
5    Global Movement      6    50.0    5    3.15     0.0   70    79           79    +9
7    Gurkha               3    59.5    7    4.45     7.0   82    82           82    +0
8    Queen Amina          3    59.5    8    5.65     7.0   82    81           81    -1
9    African Dusk         5    59.5    9    11.55    0.0   81    95           95    +14
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 El Dante 82 87 88 -1 0.0 -
2 High Queue 74 74 86 -12 3.5 -
3 Chill In The Air Line 82 82 82 ✓ Match 7.0
4 Bruh 99 92 98 -6 0.0 -
5 Gotta Go Eddie 91 93 94 -1 0.0 -
5 Global Movement 70 65 79 -14 0.0 -
7 Gurkha 82 80 82 -2 7.0 -
8 Queen Amina 82 76 81 -5 7.0 -
9 African Dusk 81 83 95 -12 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