Official NHA Assessment

Race 8: PERFECTLY PLACED CLASS 4 (Open. Benchmark at 60.0kg = 80)

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Line Horse
Commanding
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
4 / 9
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    Late December        2    59.0    1    0.00     0.5   79    80           80    +1
2    Commanding           3    56.0    2    5.25     1.5   72    72           72    +0
3    Fort Red             4    51.0    3    8.25     2.0   65    61           61    -4
4    Turbo Twenty         2    55.5    4    8.55     0.5   72    73           73    +1
5    Noon Day Gun         4    55.5    5    11.55    2.0   71    70           70    -1
6    Carriacou            3    60.0    6    12.80    1.5   80    80           80    +0
7    Winter Pearl         6    51.0    7    15.80    0.0   70    65           65    -5
8    Honor Of Kings       3    60.0    8    16.80    1.5   81    80           80    -1
99   Shifting Path        2    57.0    99   0.00     0.5   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Late December 79 87 80 +7 0.5 -
2 Commanding Line 72 70 72 -2 1.5
3 Fort Red 65 66 61 +5 2.0 -
4 Turbo Twenty 72 80 73 +7 0.5 -
5 Noon Day Gun 71 66 70 -4 2.0 -
6 Carriacou 80 78 80 -2 1.5 -
7 Winter Pearl 70 71 65 +6 0.0 -
8 Honor Of Kings 81 76 80 -4 1.5 -
99 Shifting Path - 62 76 -14 0.5 -
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