Official NHA Assessment

Race 3: RACING TODAY MAIDEN PLATE (F & M) (For Maiden F & M. R15 000 Win bonus ROA Members)

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Line Horse
Empressofnormandy
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
7 / 8
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    Empressofnormandy    3    60.0    1    0.00     3.5   70    70           70    +0
2    Dragon Dragon        3    60.0    2    0.10     3.5   -     70           70    +70
3    Lady Greensleeves    2    60.0    3    0.75     2.5   63    72           72    +9
4    Someday Maybe        3    60.0    4    1.75     3.5   65    70           70    +5
5    Chattanooga Lady     3    60.0    5    6.50     3.5   60    70           70    +10
6    Toolegittoquit       3    60.0    6    11.75    3.5   -     70           70    +70
7    Frosted Green        3    60.0    7    20.25    3.5   -     70           70    +70
99   Autumn Var           3    60.0    99   0.00     3.5   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Empressofnormandy Line 70 61 70 -9 3.5
2 Dragon Dragon - 58 70 -12 3.5 -
3 Lady Greensleeves 63 63 72 -9 2.5 -
4 Someday Maybe 65 56 70 -14 3.5 -
5 Chattanooga Lady 60 55 70 -15 3.5 -
6 Toolegittoquit - 40 70 -30 3.5 -
7 Frosted Green - 54 70 -16 3.5 -
99 Autumn Var - 67 70 -3 3.5 -
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