Official NHA Assessment

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Line Horse
Breath Of Magic
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
9 / 11
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    Lava Fire            3    52.0    1    0.00     1.5   58    47           58    +0
2    Roll Of The Dice     3    58.5    2    2.00     1.5   65    63           63    -2
3    Breath Of Magic      4    60.0    3    2.20     0.5   68    68           68    +0
4    Mo Ment              4    58.5    4    3.95     0.5   65    63           63    -2
5    Pacific              4    57.0    5    5.35     0.5   62    59           59    -3
6    Lightinthestorm      2    55.0    6    7.10     0.0   76    56           66    -10
7    Alakanani            4    52.0    7    9.35     0.5   45    49           49    +4
8    Damascodoro          3    58.0    8    9.40     1.5   64    59           59    -5
9    Paradise Flower      3    52.0    9    26.90    1.5   45    47           47    +2
10   Summer Shade         4    53.0    10   32.40    0.5   62    51           52    -10
99   Gamer                4    56.0    99   0.00     0.5   -     57           57    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Lava Fire 58 69 58 +11 1.5 -
2 Roll Of The Dice 65 81 63 +18 1.5 -
3 Breath Of Magic Line 68 60 68 -8 0.5
4 Mo Ment 65 93 63 +30 0.5 -
5 Pacific 62 50 59 -9 0.5 -
6 Lightinthestorm 76 75 66 +9 0.0 -
7 Alakanani 45 59 49 +10 0.5 -
8 Damascodoro 64 59 59 ✓ Match 1.5 -
9 Paradise Flower 45 37 47 -10 1.5 -
10 Summer Shade 62 52 52 ✓ Match 0.5 -
99 Gamer - 65 57 +8 0.5 -
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