Official NHA Assessment

Race 8: RACING TODAY MIDDLE STAKES (For horses with nett rating of 92 and below)

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Line Horse
Makhachev
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
4 / 8
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    Innamorare           5    60.0    1    0.00     0.0   92    89           89    -3
2    Makhachev            2    58.0    2    0.10     0.0   85    85           85    +0
3    Masked Vigilante     3    56.5    3    0.20     8.0   78    66           68    -10
4    Slings And Arrows    3    60.0    4    1.45     8.0   90    76           80    -10
5    Brenden James        6    60.0    5    2.20     0.0   91    92           92    +1
6    Empire Blue          4    56.0    6    3.45     5.0   81    72           72    -9
7    Alingalonga          4    58.0    7    4.20     5.0   83    76           76    -7
8    Treasure Hunt        6    54.5    8    4.45     0.0   80    78           78    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Innamorare 92 91 89 +2 0.0 -
2 Makhachev Line 85 81 85 -4 0.0
3 Masked Vigilante 78 78 68 +10 8.0 -
4 Slings And Arrows 90 92 80 +12 8.0 -
5 Brenden James 91 98 92 +6 0.0 -
6 Empire Blue 81 71 72 -1 5.0 -
7 Alingalonga 83 82 76 +6 5.0 -
8 Treasure Hunt 80 80 78 +2 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