Official NHA Assessment

Race 8: BETWAY MR 106 HANDICAP (Open)

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Line Horse
Imperial Master
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 7
Within 2 points
Significant Diffs
6 / 7
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    Rule By Force        3    59.5    1    0.00     8.0   105   98           105   +0
2    Whafeef              6    53.5    2    2.00     0.0   93    105          105   +12
3    Imperial Master      4    53.5    3    5.25     4.5   93    93           93    +0
4    Command Pilot        2    52.0    4    6.00     0.0   89    99           99    +10
5    Nebraas              8    60.0    5    13.00    0.0   106   115          115   +9
6    Joker Man            4    59.5    6    17.50    4.5   106   105          105   -1
7    The Futurist         3    59.0    7    23.00    8.0   104   97           97    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rule By Force 105 117 105 +12 8.0 -
2 Whafeef 93 91 105 -14 0.0 -
3 Imperial Master Line 93 90 93 -3 4.5
4 Command Pilot 89 93 99 -6 0.0 -
5 Nebraas 106 101 115 -14 0.0 -
6 Joker Man 106 98 105 -7 4.5 -
7 The Futurist 104 104 97 +7 8.0 -
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