Official NHA Assessment

Race 5: RaceCape Powered By Hollywoodbets MAIDEN PLATE (For all Maidens)

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Line Horse
Marshall Field
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
8 / 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    Green Mandarin       5    60.0    1    0.00     0.0   74    78           70    -4
2    Marshall Field       3    60.0    2    3.50     2.5   74    74           74    +0
3    Hakas Krakas         3    60.0    3    6.75     2.5   58    73           73    +15
4    Final Edition        5    60.0    4    6.95     0.0   76    78           78    +2
5    Saint Silas          2    60.0    5    7.15     0.0   57    78           78    +21
6    Run Rudolph Run      3    60.0    6    7.90     2.5   66    73           73    +7
7    Lockheedlightning    2    60.0    7    8.30     0.0   65    78           78    +13
8    Gimme The Best       2    60.0    8    11.30    0.0   73    78           78    +5
9    Autumn Moon          3    60.0    9    13.05    2.5   59    73           73    +14
10   Marree Man           3    60.0    10   23.80    2.5   54    73           73    +19
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Green Mandarin 74 83 70 +13 0.0 -
2 Marshall Field Line 74 77 74 +3 2.5
3 Hakas Krakas 58 65 73 -8 2.5 -
4 Final Edition 76 78 78 ✓ Match 0.0 -
5 Saint Silas 57 65 78 -13 0.0 -
6 Run Rudolph Run 66 57 73 -16 2.5 -
7 Lockheedlightning 65 66 78 -12 0.0 -
8 Gimme The Best 73 51 78 -27 0.0 -
9 Autumn Moon 59 57 73 -16 2.5 -
10 Marree Man 54 38 73 -35 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