Official NHA Assessment

Race 7: THE REPUBLIC CUP (Grade 3) (Open)

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Line Horse
Seven Seas
Reference for assessment
Exact Matches
2 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
4 / 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    Bugatti Blue         7    57.5    1    0.00     0.0   93    90           90    -3
2    Seven Seas           5    55.5    2    2.50     0.0   90    90           90    +0
3    Masaaken (AUS)       4    52.5    3    3.00     0.5   77    82           82    +5
4    Lily Blue            5    60.0    4    3.50     0.0   99    98           98    -1
5    Finchatton           10   59.0    5    4.00     0.0   97    95           95    -2
6    Wantage              8    55.5    6    6.50     0.0   90    86           86    -4
7    Mr Greenlight        6    55.5    7    7.00     0.0   90    86           86    -4
8    Only Him             4    58.5    8    20.00    0.5   96    91           91    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bugatti Blue 93 87 90 -3 0.0 -
2 Seven Seas Line 90 90 90 ✓ Match 0.0
3 Masaaken (AUS) 77 92 82 +10 0.5 -
4 Lily Blue 99 86 98 -12 0.0 -
5 Finchatton 97 95 95 ✓ Match 0.0 -
6 Wantage 90 78 86 -8 0.0 -
7 Mr Greenlight 90 97 86 +11 0.0 -
8 Only Him 96 87 91 -4 0.5 -
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