Official NHA Assessment

Race 4: Lucky Fish Diamond Rise OPEN MAIDEN ()

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Line Horse
Takeyourbestshot
Reference for assessment
Exact Matches
2 / 10
Calculated = Official
Close Matches
4 / 10
Within 2 points
Significant Diffs
4 / 10
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    Next Of Kin          2    61.5    1    0.00     0.0   83    80           80    -3
2    Takeyourbestshot     3    58.5    2    0.90     8.5   61    61           61    +0
3    Black Platina        2    59.5    3    1.80     0.0   63    79           79    +16
4    Run For Peace        3    52.0    4    4.40     8.5   58    44           48    -10
5    Red Fred             2    52.5    5    5.30     0.0   50    62           62    +12
6    Bingelelamzalwane    2    53.5    6    5.60     0.0   72    64           64    -8
7    Many Waters          3    57.5    7    6.10     8.5   62    55           55    -7
8    Kingsboy (GB)        3    56.5    8    11.30    8.5   56    53           53    -3
9    Falcon Wings         3    53.5    9    23.20    8.5   47    47           47    +0
10   Vinny's Dream        3    53.0    10   39.40    8.5   53    46           46    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Next Of Kin 83 81 80 +1 0.0 -
2 Takeyourbestshot Line 61 68 61 +7 8.5
3 Black Platina 63 65 79 -14 0.0 -
4 Run For Peace 58 54 48 +6 8.5 -
5 Red Fred 50 58 62 -4 0.0 -
6 Bingelelamzalwane 72 67 64 +3 0.0 -
7 Many Waters 62 66 55 +11 8.5 -
8 Kingsboy (GB) 56 53 53 ✓ Match 8.5 -
9 Falcon Wings 47 47 47 ✓ Match 8.5 -
10 Vinny's Dream 53 45 46 -1 8.5 -
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