Official NHA Assessment

Race 4: JOIN A RACING PARTNERSHIP MERIT RATED 78 HANDICAP (Open)

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Line Horse
The Octagon
Reference for assessment
Exact Matches
1 / 7
Calculated = Official
Close Matches
3 / 7
Within 2 points
Significant Diffs
3 / 7
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    King's Crown         3    54.5    1    0.00     8.0   68    49           68    +0
2    The Octagon          2    59.0    2    2.50     0.0   76    76           76    +0
3    September Flower     2    59.5    3    2.60     0.0   78    77           77    -1
4    Ultimate Jewel       5    60.0    4    4.35     0.0   78    76           76    -2
5    Captive Moon         6    59.0    5    5.60     0.0   76    74           74    -2
6    Ignitethelight       3    57.5    6    6.35     8.0   74    55           64    -10
7    Power Ranger         7    56.0    7    7.60     0.0   70    68           68    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 King's Crown 68 79 68 +11 8.0 -
2 The Octagon Line 76 76 76 ✓ Match 0.0
3 September Flower 78 91 77 +14 0.0 -
4 Ultimate Jewel 78 80 76 +4 0.0 -
5 Captive Moon 76 75 74 +1 0.0 -
6 Ignitethelight 74 74 64 +10 8.0 -
7 Power Ranger 70 69 68 +1 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