Official NHA Assessment

Race 8: IN THE BOX SEAT PODCAST BROUGHT TO YOU BY GALLOP TV CLASS 4 (Open. Benchmark at 60.0kg = 82)

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Line Horse
Gorgeous Guy
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
5 / 8
Within 2 points
Significant Diffs
1 / 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    Maphaka              2    60.0    1    0.00     2.5   82    82           82    +0
2    Who Blinked          3    58.5    2    0.40     3.5   79    77           77    -2
3    Gorgeous Guy         2    59.5    3    3.30     2.5   81    81           81    +0
4    Dapper               2    54.0    4    4.60     2.5   73    70           70    -3
5    Cowboy Country       2    60.0    5    5.60     2.5   87    82           82    -5
6    Mighty Zambezi       2    58.5    6    6.10     2.5   84    79           79    -5
7    Tam's Knight         3    57.0    7    6.40     3.5   76    74           74    -2
8    Chicarito            3    60.0    8    21.10    3.5   87    80           80    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Maphaka 82 87 82 +5 2.5 -
2 Who Blinked 79 82 77 +5 3.5 -
3 Gorgeous Guy Line 81 81 81 ✓ Match 2.5
4 Dapper 73 72 70 +2 2.5 -
5 Cowboy Country 87 84 82 +2 2.5 -
6 Mighty Zambezi 84 80 79 +1 2.5 -
7 Tam's Knight 76 76 74 +2 3.5 -
8 Chicarito 87 87 80 +7 3.5 -
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