Official NHA Assessment

Race 8: JOIN THE VIBE! www.socialsquad.co.za CLASS 3 (Open. Benchmark at 60.0kg = 98)

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Line Horse
Green Glow
Reference for assessment
Exact Matches
5 / 12
Calculated = Official
Close Matches
8 / 12
Within 2 points
Significant Diffs
1 / 12
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    Tyrconnell           5    52.5    1    0.00     0.0   82    87           87    +5
2    Claw                 4    57.0    2    0.25     1.0   91    94           94    +3
3    Green Glow           3    55.0    3    0.65     2.5   92    92           92    +0
4    Diani                5    59.5    4    2.85     0.0   96    103          103   +7
5    Sundance Kid         5    57.0    5    3.25     0.0   96    98           98    +2
6    Queue Wing           7    48.5    6    3.95     0.0   81    80           80    -1
7    Kanaal Skater        2    55.5    7    4.45     0.0   93    93           93    +0
8    Noble City           3    58.0    8    5.45     2.5   93    93           93    +0
9    The Shepherd         3    60.0    9    7.95     2.5   97    97           97    +0
10   Mr Hotstepper        2    53.5    10   12.15    0.0   87    89           89    +2
99   Amor Fati            2    57.5    99   0.00     0.0   -     97           97    +0
99   Rollo The Viking     3    59.0    99   0.00     2.5   -     95           95    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tyrconnell 82 82 87 -5 0.0 -
2 Claw 91 91 94 -3 1.0 -
3 Green Glow Line 92 92 92 ✓ Match 2.5
4 Diani 96 96 103 -7 0.0 -
5 Sundance Kid 96 96 98 -2 0.0 -
6 Queue Wing 81 81 80 +1 0.0 -
7 Kanaal Skater 93 93 93 ✓ Match 0.0 -
8 Noble City 93 93 93 ✓ Match 2.5 -
9 The Shepherd 97 97 97 ✓ Match 2.5 -
10 Mr Hotstepper 87 87 89 -2 0.0 -
99 Amor Fati - 92 97 -5 0.0 -
99 Rollo The Viking - 95 95 ✓ Match 2.5 -
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