Official NHA Assessment

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Line Horse
Festival Of Magic
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
6 / 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    Festival Of Magic    4    60.0    1    0.00     0.5   75    75           75    +0
2    Hat's Queen          3    49.0    2    0.40     1.5   -     56           56    +56
3    Master Tik Tok       5    60.0    3    1.90     0.0   68    79           79    +11
4    Red Legend           2    56.0    4    4.65     0.0   -     68           68    +68
5    Roll Of The Dice     3    60.0    5    5.35     1.5   68    73           73    +5
6    Thomas Rainwater     2    60.0    6    8.60     0.0   61    76           76    +15
7    Quiz Party           2    56.0    7    11.85    0.0   -     68           68    +68
8    American Spirit      3    60.0    8    99.99    1.5   53    73           73    +20
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Festival Of Magic Line 75 67 75 -8 0.5
2 Hat's Queen - 104 56 +48 1.5 -
3 Master Tik Tok 68 80 79 +1 0.0 -
4 Red Legend - 81 68 +13 0.0 -
5 Roll Of The Dice 68 81 73 +8 1.5 -
6 Thomas Rainwater 61 58 76 -18 0.0 -
7 Quiz Party - 65 68 -3 0.0 -
8 American Spirit 53 48 73 -25 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