Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION MAIDEN HANDICAP (For Maidens with 3 or more runs)

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Line Horse
The Inkosana
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 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    Master Of Coin       3    60.0    1    0.00     1.5   66    61           66    +0
2    The Inkosana         3    54.0    2    1.50     1.5   54    54           54    +0
3    Flag Bearer          3    55.0    3    2.00     1.5   56    56           56    +0
4    Prime Example        2    52.5    4    4.00     0.0   69    51           59    -10
5    Harold The Duke      3    59.0    5    6.00     1.5   64    59           59    -5
6    Luke Skywalker       3    53.0    6    7.50     1.5   52    47           47    -5
7    Batik                3    52.0    7    8.25     1.5   47    45           45    -2
8    The Merciful         5    50.5    8    9.00     0.0   63    45           53    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Master Of Coin 66 72 66 +6 1.5 -
2 The Inkosana Line 54 67 54 +13 1.5
3 Flag Bearer 56 60 56 +4 1.5 -
4 Prime Example 69 93 59 +34 0.0 -
5 Harold The Duke 64 86 59 +27 1.5 -
6 Luke Skywalker 52 42 47 -5 1.5 -
7 Batik 47 57 45 +12 1.5 -
8 The Merciful 63 54 53 +1 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