Official NHA Assessment

Race 2: GALLOP FORM OPEN MAIDEN (For all Maidens)

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Line Horse
Green Mile
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
7 / 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    Gotta Go Eddie       2    58.5    1    0.00     0.0   81    75           75    -6
2    Takeyourbestshot     3    55.5    2    0.50     9.0   58    56           56    -2
3    Green Mile           4    60.0    3    2.80     7.0   66    66           66    +0
4    Muzzle Flash         3    55.5    4    3.60     9.0   58    52           52    -6
5    Owner Of Creation    3    58.5    5    6.00     9.0   64    57           57    -7
6    Black Platina        2    59.0    6    6.50     0.0   65    76           76    +11
7    Fantasy League       3    55.0    7    9.30     9.0   56    50           50    -6
8    Parliament Square    3    55.5    8    9.40     9.0   52    51           51    -1
9    Fine Wine            4    57.5    9    13.30    7.0   66    59           59    -7
10   Shiny Silva          3    55.0    10   13.50    9.0   52    50           50    -2
99   O Space O            2    58.0    99   0.00     0.0   -     74           74    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Gotta Go Eddie 81 93 75 +18 0.0 -
2 Takeyourbestshot 58 68 56 +12 9.0 -
3 Green Mile Line 66 66 66 ✓ Match 7.0
4 Muzzle Flash 58 55 52 +3 9.0 -
5 Owner Of Creation 64 65 57 +8 9.0 -
6 Black Platina 65 65 76 -11 0.0 -
7 Fantasy League 56 54 50 +4 9.0 -
8 Parliament Square 52 53 51 +2 9.0 -
9 Fine Wine 66 73 59 +14 7.0 -
10 Shiny Silva 52 42 50 -8 9.0 -
99 O Space O - 59 74 -15 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