Official NHA Assessment

Race 7: GOLD CIRCLE RACING YOUTUBE CHANNEL MR 65 HANDICAP (Open)

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Line Horse
Top Ten
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
5 / 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    Fish Eagle           5    57.5    1    0.00     0.0   62    70           62    +0
2    Ravens Sword         3    57.0    2    0.60     9.0   59    56           56    -3
3    Bally Magic          6    58.5    3    4.30     0.0   62    72           72    +10
4    Top Ten              4    53.5    4    4.35     5.0   52    52           52    +0
5    Let Em Go            5    57.0    5    6.45     0.0   59    69           69    +10
6    Khanyisa Indlela     3    61.0    6    6.95     9.0   67    59           59    -8
7    Seattle Beat         4    56.5    7    10.05    5.0   58    58           58    +0
8    Ebony Bay            3    56.5    8    16.85    9.0   60    50           50    -10
9    Impartial            4    52.5    9    17.15    5.0   50    50           50    +0
99   Justfortheepenny     5    58.5    99   0.00     0.0   -     72           72    +0
99   Thunder Masala       3    57.5    99   0.00     9.0   -     52           52    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Fish Eagle 62 71 62 +9 0.0 -
2 Ravens Sword 59 53 56 -3 9.0 -
3 Bally Magic 62 60 72 -12 0.0 -
4 Top Ten Line 52 50 52 -2 5.0
5 Let Em Go 59 57 69 -12 0.0 -
6 Khanyisa Indlela 67 74 59 +15 9.0 -
7 Seattle Beat 58 55 58 -3 5.0 -
8 Ebony Bay 60 50 50 ✓ Match 9.0 -
9 Impartial 50 50 50 ✓ Match 5.0 -
99 Justfortheepenny - 65 72 -7 0.0 -
99 Thunder Masala - 50 52 -2 9.0 -
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