Official NHA Assessment

Race 5: MINING PRESSURE SYSTEMS MAIDEN PLATE (For all Maidens)

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Line Horse
Best Candidate
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
7 / 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    Follow The Master    3    60.0    1    0.00     9.5   75    -11          -     -75
2    Best Candidate       2    56.0    2    10.50    0.0   -     -            -     +0
3    On An Impulse        2    56.0    3    14.00    0.0   74    -            73    -1
4    Truro Legacy         3    56.0    4    21.75    9.5   -     -19          -     +0
5    World Order          2    56.0    5    23.25    0.0   80    -            76    -4
6    Cuzzie               3    60.0    6    23.75    9.5   62    -11          52    -10
99   Parabellum           3    60.0    99   0.00     9.5   -     -11          -11   +0
99   Mystic Vision        3    60.0    99   0.00     9.5   -     -11          -11   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Follow The Master 75 82 - +82 9.5 -
2 Best Candidate Line - 66 - +66 0.0
3 On An Impulse 74 79 73 +6 0.0 -
4 Truro Legacy - 60 - +60 9.5 -
5 World Order 80 84 76 +8 0.0 -
6 Cuzzie 62 54 52 +2 9.5 -
99 Parabellum - 61 -11 +72 9.5 -
99 Mystic Vision - 66 -11 +77 9.5 -
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