Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION MR 96 HANDICAP (Open)

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Line Horse
Naval Secret
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
3 / 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    Greenlighttoheaven   4    58.5    1    0.00     5.0   93    93           93    +0
2    Naval Secret         4    58.0    2    0.25     5.0   92    92           92    +0
3    Captain Morisco      4    57.0    3    0.35     5.0   90    90           90    +0
4    Captain Oupie        4    60.0    4    0.85     5.0   96    96           96    +0
5    Forest Spy           2    55.0    5    2.10     3.0   92    90           90    -2
6    Paris Rix            3    57.0    6    4.85     4.5   90    91           91    +1
7    Celtillus            5    59.5    7    6.35     0.0   95    105          105   +10
8    Vista Nova           4    55.0    8    8.60     5.0   86    86           86    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Greenlighttoheaven 93 83 93 -10 5.0 -
2 Naval Secret Line 92 91 92 -1 5.0
3 Captain Morisco 90 92 90 +2 5.0 -
4 Captain Oupie 96 94 96 -2 5.0 -
5 Forest Spy 92 85 90 -5 3.0 -
6 Paris Rix 90 81 91 -10 4.5 -
7 Celtillus 95 92 105 -13 0.0 -
8 Vista Nova 86 81 86 -5 5.0 -
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