Official NHA Assessment

Race 5: THE INDEPENDENT ON SATURDAY SPORTS MAIDEN PLATE (For all Maidens)

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Line Horse
Iron Monger
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
6 / 11
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    Basie Raakvat        4    60.0    1    0.00     1.0   72    56           56    -16
2    Ibiza Night          2    60.0    2    0.80     0.0   60    62           62    +2
3    Iron Monger          2    60.0    3    0.85     0.0   62    62           62    +0
4    Hoodwinked           3    60.0    4    2.25     2.5   -     56           56    +56
5    Uncle Lucky          2    58.5    5    2.55     0.0   58    57           57    -1
6    Magma Magic          4    60.0    6    2.60     1.0   71    58           61    -10
7    Torix Night          3    60.0    7    2.90     2.5   68    55           58    -10
8    Fire Force           4    60.0    8    2.95     1.0   64    58           58    -6
9    Animal Impact        4    60.0    9    3.85     1.0   67    57           57    -10
10   Pursuit Of Fame      2    55.0    10   10.45    0.0   -     48           48    +48
11   Rainbow Of Roses     3    56.5    11   14.15    2.5   72    46           62    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Basie Raakvat 72 63 56 +7 1.0 -
2 Ibiza Night 60 63 62 +1 0.0 -
3 Iron Monger Line 62 64 62 +2 0.0
4 Hoodwinked - 67 56 +11 2.5 -
5 Uncle Lucky 58 61 57 +4 0.0 -
6 Magma Magic 71 81 61 +20 1.0 -
7 Torix Night 68 68 58 +10 2.5 -
8 Fire Force 64 60 58 +2 1.0 -
9 Animal Impact 67 64 57 +7 1.0 -
10 Pursuit Of Fame - 71 48 +23 0.0 -
11 Rainbow Of Roses 72 66 62 +4 2.5 -
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