Official NHA Assessment

Race 6: SPEEDSTERS STAKES (Open (Non-Black Type))

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Line Horse
Anuschka's World
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 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    Song Of Myself       3    51.5    1    0.00     9.5   89    89           89    +0
2    Fairy Knight         4    62.0    2    3.25     11.0  118   107          108   -10
3    Anuschka's World     3    60.0    3    3.50     9.5   106   106          106   +0
4    Speed Racer          4    52.5    4    4.75     11.0  84    88           88    +4
5    Cliff Top            2    60.0    5    5.50     6.5   107   112          112   +5
6    Yamadori             4    58.5    6    5.75     11.0  102   100          100   -2
7    Forest Spy           2    55.5    7    8.25     6.5   90    103          103   +13
8    Crowned Hornbill     2    52.5    8    14.50    6.5   84    97           97    +13
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Song Of Myself 89 100 89 +11 9.5 -
2 Fairy Knight 118 118 108 +10 11.0 -
3 Anuschka's World Line 106 114 106 +8 9.5
4 Speed Racer 84 88 88 ✓ Match 11.0 -
5 Cliff Top 107 109 112 -3 6.5 -
6 Yamadori 102 97 100 -3 11.0 -
7 Forest Spy 90 85 103 -18 6.5 -
8 Crowned Hornbill 84 78 97 -19 6.5 -
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