Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION STAKES (L) (For 3 year-olds)

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Line Horse
Fairy Knight
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
7 / 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    Zoomie               2    59.0    1    0.00     0.0   101   101          101   +0
2    Fairy Knight         4    59.0    2    0.25     4.0   93    93           93    +0
3    Hat's Pride          2    59.0    3    1.75     0.0   84    104          104   +20
4    The Winter Lake      4    59.0    4    5.00     4.0   88    93           93    +5
5    Lord Milori          2    59.0    5    7.50     0.0   83    101          101   +18
6    Vision Of Wonder     2    60.0    6    8.75     0.0   93    103          103   +10
7    Mister Whistle       4    59.0    7    10.00    4.0   64    93           93    +29
8    Symbol Of Love       2    56.5    8    12.50    0.0   75    96           96    +21
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zoomie 101 86 101 -15 0.0 -
2 Fairy Knight Line 93 118 93 +25 4.0
3 Hat's Pride 84 97 104 -7 0.0 -
4 The Winter Lake 88 87 93 -6 4.0 -
5 Lord Milori 83 64 101 -37 0.0 -
6 Vision Of Wonder 93 87 103 -16 0.0 -
7 Mister Whistle 64 52 93 -41 4.0 -
8 Symbol Of Love 75 94 96 -2 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