Official NHA Assessment

Race 5: WSB BET WITH THE BEST OLYMPIC DUEL STAKES (Listed) (For Fillies and Mares)

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Line Horse
Major Attraction
Reference for assessment
Exact Matches
2 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
3 / 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    Going Up             3    53.0    1    0.00     2.0   92    91           91    -1
2    Major Attraction     4    59.5    2    2.25     2.5   103   103          103   +0
3    Phil's Dancer        5    59.0    3    2.30     0.0   102   107          107   +5
4    Walk Of Fame         4    56.5    4    3.05     2.5   97    97           97    +0
5    Whoa Whoa Whoa (AUS  3    57.5    5    3.25     2.0   101   100          100   -1
6    Winter Mosaic        3    56.5    6    7.50     2.0   99    98           98    -1
7    Marmalisa            4    54.5    7    9.00     2.5   93    93           93    +0
8    Kitty Cat Chat (AUS  4    61.5    8    9.40     2.5   107   107          107   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Going Up 92 110 91 +19 2.0 -
2 Major Attraction Line 103 103 103 ✓ Match 2.5
3 Phil's Dancer 102 102 107 -5 0.0 -
4 Walk Of Fame 97 104 97 +7 2.5 -
5 Whoa Whoa Whoa (AUS) 101 108 100 +8 2.0 -
6 Winter Mosaic 99 94 98 -4 2.0 -
7 Marmalisa 93 90 93 -3 2.5 -
8 Kitty Cat Chat (AUS) 107 107 107 ✓ Match 2.5 -
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