Official NHA Assessment

Race 1: 4RACING WELCOMES YOU MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Galaxy Queen
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
10 / 12
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    Apostrophe           3    59.0    1    0.00     6.0   -     -5           -     +0
2    Sikeloi              3    55.0    2    0.10     6.0   -     -13          -     +0
3    Korcula              2    59.0    3    0.35     0.0   77    12           67    -10
4    Galaxy Queen         3    59.0    4    0.45     6.0   -     -            -     +0
5    Twelfth Of Never     2    59.0    5    2.70     0.0   67    9            57    -10
6    Chickasaw            2    59.0    6    2.90     0.0   75    9            65    -10
7    Red Enchantress      2    59.0    7    3.20     0.0   67    9            57    -10
8    Total Eruption       3    59.0    8    3.70     6.0   68    -4           58    -10
9    Lady Lancaster       3    60.0    9    5.60     6.0   -     -3           -     +0
10   Invictus Jet         2    56.5    10   5.70     0.0   68    2            58    -10
11   Matter Of Trust      2    59.0    11   10.40    0.0   77    7            67    -10
99   Liefling             3    59.0    99   0.00     6.0   -     -5           -5    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Apostrophe - 74 - +74 6.0 -
2 Sikeloi - 76 - +76 6.0 -
3 Korcula 77 77 67 +10 0.0 -
4 Galaxy Queen Line - 78 - +78 6.0
5 Twelfth Of Never 67 74 57 +17 0.0 -
6 Chickasaw 75 67 65 +2 0.0 -
7 Red Enchantress 67 66 57 +9 0.0 -
8 Total Eruption 68 62 58 +4 6.0 -
9 Lady Lancaster - 53 - +53 6.0 -
10 Invictus Jet 68 68 58 +10 0.0 -
11 Matter Of Trust 77 73 67 +6 0.0 -
99 Liefling - 70 -5 +75 6.0 -
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