Official NHA Assessment

Race 4: JOIN ZIMFUN DIVIDED MR 70 HANDICAP ()

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Line Horse
Kagura
Reference for assessment
Exact Matches
1 / 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    Empire Blue          4    60.0    1    0.00     3.5   70    68           70    +0
2    Burn Bright          3    55.5    2    0.10     7.0   62    52           52    -10
3    Kagura               4    60.0    3    1.35     3.5   71    71           71    +0
4    Prince Of Denmark    4    52.0    4    2.85     3.5   54    54           54    +0
5    Fearless Bomber      3    52.0    5    4.10     7.0   50    46           46    -4
6    House Of Lords       3    52.0    6    6.10     7.0   50    45           45    -5
7    Karvani              7    59.0    7    6.35     0.0   68    73           73    +5
99   Ono No Komachi       3    56.5    99   0.00     7.0   -     54           54    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Empire Blue 70 71 70 +1 3.5 -
2 Burn Bright 62 68 52 +16 7.0 -
3 Kagura Line 71 72 71 +1 3.5
4 Prince Of Denmark 54 51 54 -3 3.5 -
5 Fearless Bomber 50 56 46 +10 7.0 -
6 House Of Lords 50 49 45 +4 7.0 -
7 Karvani 68 73 73 ✓ Match 0.0 -
99 Ono No Komachi - 66 54 +12 7.0 -
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