Official NHA Assessment

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Line Horse
Joshua Hotsnake
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
3 / 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    Kumemori             5    59.0    1    0.00     0.0   74    77           74    +0
2    Joshua Hotsnake      3    59.0    2    3.80     2.0   74    74           74    +0
3    El Draque            5    58.5    3    4.05     0.0   73    77           77    +4
4    King's Island        4    58.0    4    5.85     1.0   77    73           73    -4
5    Sweeper Keeper       4    58.0    5    7.55     1.0   77    73           73    -4
6    Irish Luck           2    57.5    6    7.65     0.0   79    74           74    -5
7    Ultra Quick          6    59.5    7    9.35     0.0   78    78           78    +0
99   Winter Waves         7    59.0    99   0.00     0.0   -     77           77    +0
99   Cerulean Dancer      2    54.5    99   0.00     0.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kumemori 74 71 74 -3 0.0 -
2 Joshua Hotsnake Line 74 67 74 -7 2.0
3 El Draque 73 57 77 -20 0.0 -
4 King's Island 77 72 73 -1 1.0 -
5 Sweeper Keeper 77 67 73 -6 1.0 -
6 Irish Luck 79 72 74 -2 0.0 -
7 Ultra Quick 78 71 78 -7 0.0 -
99 Winter Waves - 77 77 ✓ Match 0.0 -
99 Cerulean Dancer - 71 68 +3 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