Official NHA Assessment

Race 5: FOLLOW CAPE RACING ON SOCIAL MEDIA CLASS 3 (Open. Benchmark at 60.0kg = 94)

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Line Horse
Gainsford
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
3 / 8
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    Top Quality          3    58.5    1    0.00     1.5   91    85           85    -6
2    Gainsford            4    59.0    2    1.25     0.5   92    92           92    +0
3    My Bestie            7    61.0    3    1.30     0.0   96    96           96    +0
4    Narina Trogon        5    58.0    4    2.30     0.0   93    89           89    -4
5    Hasta Manana         3    60.0    5    4.55     1.5   94    88           88    -6
6    Nevada King          2    55.0    6    19.80    0.0   87    81           81    -6
7    Keep It Secret       3    54.5    7    19.85    1.5   82    77           77    -5
8    Impetuous            2    54.0    8    21.60    0.0   85    79           79    -6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Top Quality 91 99 85 +14 1.5 -
2 Gainsford Line 92 88 92 -4 0.5
3 My Bestie 96 61 96 -35 0.0 -
4 Narina Trogon 93 102 89 +13 0.0 -
5 Hasta Manana 94 88 88 ✓ Match 1.5 -
6 Nevada King 87 80 81 -1 0.0 -
7 Keep It Secret 82 80 77 +3 1.5 -
8 Impetuous 85 74 79 -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