Official NHA Assessment

Race 2: BETWAY MAIDEN PLATE (For all Maidens)

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Line Horse
Olympian Gold
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
7 / 10
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    My Lucky Charm       3    60.0    1    0.00     8.0   -     67           6     +6
2    War Summit           3    60.0    2    7.00     8.0   -     67           67    +67
3    Carnarvon            2    58.5    3    8.00     0.0   80    80           80    +0
4    Thoonsil             3    60.0    4    8.40     8.0   -     67           67    +67
5    Sergeant Soqrat      2    60.0    5    11.80    0.0   75    83           83    +8
6    Elusive Charm        2    60.0    6    14.10    0.0   56    83           83    +27
7    Epidaurus            3    60.0    7    14.30    8.0   -     67           67    +67
8    Brody                2    58.5    8    15.10    0.0   -     80           80    +80
9    No Hesitation        3    60.0    9    25.10    8.0   -     67           67    +67
99   Olympian Gold        2    60.0    99   0.00     0.0   83    83           83    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 My Lucky Charm - 73 6 +67 8.0 -
2 War Summit - 74 67 +7 8.0 -
3 Carnarvon 80 78 80 -2 0.0 -
4 Thoonsil - 77 67 +10 8.0 -
5 Sergeant Soqrat 75 71 83 -12 0.0 -
6 Elusive Charm 56 62 83 -21 0.0 -
7 Epidaurus - 63 67 -4 8.0 -
8 Brody - 60 80 -20 0.0 -
9 No Hesitation - 44 67 -23 8.0 -
99 Olympian Gold Line 83 86 83 +3 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