Official NHA Assessment

Race 3: BET WITH TAB MAIDEN SPECIAL WEIGHTS (For all Maidens)

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Line Horse
Hawk Circle
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
10 / 11
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    Holy Orders          2    56.0    1    0.00     0.0   77    79           79    +2
2    Stratospheric        2    60.0    2    3.50     0.0   85    88           88    +3
3    Hawk Circle          2    54.5    3    3.80     0.0   77    77           77    +0
4    Carriacou            3    57.0    4    4.80     6.0   79    69           69    -10
5    Sudden Song          3    58.0    5    5.10     6.0   69    71           71    +2
6    Lockheedlightning    2    55.5    6    5.30     0.0   76    78           78    +2
7    Promettere           5    58.0    7    5.80     0.0   -     83           83    +83
8    Coronation Time      2    52.0    8    5.90     0.0   69    71           71    +2
9    Global Speed         3    58.0    9    7.40     6.0   -     71           71    +71
10   Rogue Male           3    52.0    10   7.90     6.0   48    59           59    +11
11   Mr Winter            2    51.5    11   8.65     0.0   68    70           70    +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Holy Orders 77 69 79 -10 0.0 -
2 Stratospheric 85 97 88 +9 0.0 -
3 Hawk Circle Line 77 68 77 -9 0.0
4 Carriacou 79 78 69 +9 6.0 -
5 Sudden Song 69 71 71 ✓ Match 6.0 -
6 Lockheedlightning 76 66 78 -12 0.0 -
7 Promettere - 98 83 +15 0.0 -
8 Coronation Time 69 80 71 +9 0.0 -
9 Global Speed - 52 71 -19 6.0 -
10 Rogue Male 48 50 59 -9 6.0 -
11 Mr Winter 68 58 70 -12 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