Official NHA Assessment

Race 4: TABGOLD SCORE 6 SCORE 8 SCORE 10 MAIDEN PLATE (For all Maidens)

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Line Horse
Always Shining
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 10
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    Landseer             4    60.0    1    0.00     7.0   76    90           70    -6
2    Always Shining       3    57.0    2    0.30     9.0   85    85           85    +0
3    Magma Magic          4    60.0    3    0.60     7.0   74    95           95    +21
4    Global Ruler         2    60.0    4    4.80     0.0   67    104          104   +37
5    New Frontier         2    57.0    5    4.95     0.0   78    98           98    +20
6    Rototo               3    60.0    6    5.10     9.0   66    86           86    +20
7    Super Casanova       2    57.0    7    12.00    0.0   68    98           98    +30
8    Bubba Gump           2    55.5    8    13.70    0.0   50    95           95    +45
9    Firelighter          3    57.0    9    13.95    9.0   -     80           80    +80
10   Monocle              3    54.5    10   24.55    9.0   -     75           75    +75
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Landseer 76 67 70 -3 7.0 -
2 Always Shining Line 85 76 85 -9 9.0
3 Magma Magic 74 81 95 -14 7.0 -
4 Global Ruler 67 63 104 -41 0.0 -
5 New Frontier 78 77 98 -21 0.0 -
6 Rototo 66 61 86 -25 9.0 -
7 Super Casanova 68 60 98 -38 0.0 -
8 Bubba Gump 50 53 95 -42 0.0 -
9 Firelighter - 63 80 -17 9.0 -
10 Monocle - 52 75 -23 9.0 -
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