Official NHA Assessment

Race 8: FOLLOW CAPE RACING ON SOCIAL MEDIA CLASS 5 (Open. Benchmark at 60.0kg = 68)

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Line Horse
Mighty Mac
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 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    Winter Pearl         6    59.5    1    0.00     0.0   67    65           65    -2
2    Mighty Mac           5    61.0    2    1.75     0.0   71    71           71    +0
3    Shifting Path        2    56.5    3    1.95     0.0   62    62           62    +0
4    Mr Frostie           4    52.0    4    2.45     4.5   50    43           43    -7
5    Cityscape            2    56.5    5    4.20     0.0   62    60           60    -2
6    Seeking Peace        3    57.0    6    4.25     7.0   62    47           52    -10
7    Raf's Rocket         2    61.0    7    5.00     0.0   84    68           74    -10
8    Fly To Rio           4    57.5    8    7.75     4.5   63    52           53    -10
9    Purple And Green     6    57.5    9    8.75     0.0   63    61           61    -2
99   Lady Renee           2    55.5    99   0.00     0.0   -     57           57    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Winter Pearl 67 71 65 +6 0.0 -
2 Mighty Mac Line 71 52 71 -19 0.0
3 Shifting Path 62 62 62 ✓ Match 0.0 -
4 Mr Frostie 50 51 43 +8 4.5 -
5 Cityscape 62 70 60 +10 0.0 -
6 Seeking Peace 62 55 52 +3 7.0 -
7 Raf's Rocket 84 77 74 +3 0.0 -
8 Fly To Rio 63 54 53 +1 4.5 -
9 Purple And Green 63 55 61 -6 0.0 -
99 Lady Renee - 64 57 +7 0.0 -
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