Official NHA Assessment

Race 5: KONICA MINOLTA CLASS 4 (Open. Benchmark at 60.0kg = 80)

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Line Horse
Comedy Club
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
8 / 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    Plaza Accord         2    58.0    1    0.00     0.0   76    87           82    +6
2    Palermo              4    56.0    2    0.60     2.0   75    84           84    +9
3    One Scotch           2    59.5    3    2.90     0.0   86    92           92    +6
4    Comedy Club          3    59.5    4    3.15     3.0   86    86           86    +0
5    Sweeper Keeper       4    55.5    5    4.55     2.0   71    78           78    +7
6    Ibutho               7    60.5    6    7.15     0.0   81    92           92    +11
7    Slytherin            3    57.5    7    8.25     3.0   82    80           80    -2
8    Phaka Imali          3    55.5    8    10.05    3.0   71    76           76    +5
9    Rollo The Viking     3    59.5    9    10.30    3.0   86    84           84    -2
10   Uncle Lucky          2    49.5    10   12.60    0.0   64    70           70    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Plaza Accord 76 84 82 +2 0.0 -
2 Palermo 75 76 84 -8 2.0 -
3 One Scotch 86 77 92 -15 0.0 -
4 Comedy Club Line 86 86 86 ✓ Match 3.0
5 Sweeper Keeper 71 67 78 -11 2.0 -
6 Ibutho 81 83 92 -9 0.0 -
7 Slytherin 82 70 80 -10 3.0 -
8 Phaka Imali 71 62 76 -14 3.0 -
9 Rollo The Viking 86 96 84 +12 3.0 -
10 Uncle Lucky 64 61 70 -9 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