Official NHA Assessment

Race 3: STAR MERCHANT MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Edvige
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
3 / 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    Venturous            3    60.0    1    0.00     2.0   59    51           51    -8
2    Edvige               3    60.0    2    1.80     2.0   54    54           54    +0
3    Shesakinda Magic     3    56.0    3    3.90     2.0   64    44           54    -10
4    Deltron Energy       3    60.0    4    5.40     2.0   48    51           51    +3
5    Cinderella Castle    3    58.5    5    5.80     2.0   -     48           48    +48
6    Lady Is A Champ      2    56.0    6    8.60     0.0   -     47           47    +47
7    Geraldine            2    56.0    7    11.40    0.0   -     47           47    +47
8    Fiametta             4    58.5    8    99.99    1.0   47    50           50    +3
99   Columbia Road        3    60.0    99   0.00     2.0   -     51           51    +0
99   Picara               3    60.0    99   0.00     2.0   -     51           51    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Venturous 59 66 51 +15 2.0 -
2 Edvige Line 54 50 54 -4 2.0
3 Shesakinda Magic 64 58 54 +4 2.0 -
4 Deltron Energy 48 48 51 -3 2.0 -
5 Cinderella Castle - 44 48 -4 2.0 -
6 Lady Is A Champ - 57 47 +10 0.0 -
7 Geraldine - 47 47 ✓ Match 0.0 -
8 Fiametta 47 48 50 -2 1.0 -
99 Columbia Road - 54 51 +3 2.0 -
99 Picara - 64 51 +13 2.0 -
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