Official NHA Assessment

Race 3: LUCKY FISH AVIATOR CLASS 5 (Open. Benchmark at 60.0kg = 70)

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Line Horse
Devil A Saint
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
2 / 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    Signor Dante         3    61.5    1    0.00     1.5   73    69           69    -4
2    Devil A Saint        4    59.5    2    2.50     0.5   69    69           69    +0
3    Fort Yukon           3    61.0    3    3.25     1.5   76    70           70    -6
4    Red Dawn             3    60.0    4    3.75     1.5   75    67           67    -8
5    Noon Day Gun         4    59.5    5    3.80     0.5   69    68           68    -1
6    Givethatmanabells    4    60.0    6    5.05     0.5   70    68           68    -2
7    Pacific Waters       2    61.0    7    6.80     0.0   76    71           71    -5
8    Typically French     4    52.5    8    9.05     0.5   52    53           53    +1
9    Count William        3    60.5    9    13.30    1.5   71    67           67    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Signor Dante 73 78 69 +9 1.5 -
2 Devil A Saint Line 69 69 69 ✓ Match 0.5
3 Fort Yukon 76 75 70 +5 1.5 -
4 Red Dawn 75 73 67 +6 1.5 -
5 Noon Day Gun 69 69 68 +1 0.5 -
6 Givethatmanabells 70 69 68 +1 0.5 -
7 Pacific Waters 76 76 71 +5 0.0 -
8 Typically French 52 52 53 -1 0.5 -
9 Count William 71 71 67 +4 1.5 -
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