Official NHA Assessment

Race 3: BET WITH TOTE MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Gimme The Power
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
4 / 10
Within 2 points
Significant Diffs
2 / 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    Greek Heritage       2    56.0    1    0.00     0.0   -     59           6     +6
2    Lady Nancy           2    56.0    2    1.70     0.0   -     62           62    +62
3    Gimme The Power      2    60.0    3    3.20     0.0   69    69           69    +0
4    Valli Gal            2    58.5    4    9.70     0.0   62    64           64    +2
5    Catrien              3    56.0    5    12.40    2.0   60    55           55    -5
6    Amphitrite           3    60.0    6    16.80    2.0   61    63           63    +2
99   Tipperary            3    58.5    99   0.00     2.0   -     60           60    +0
99   Indignation          2    56.0    99   0.00     0.0   -     59           59    +0
99   Hop Hop Spinnekop    3    60.0    99   0.00     2.0   -     63           63    +0
99   Happy Hooves         3    60.0    99   0.00     2.0   -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Greek Heritage - - 6 - 0.0 -
2 Lady Nancy - - 62 - 0.0 -
3 Gimme The Power Line 69 69 69 ✓ Match 0.0
4 Valli Gal 62 62 64 -2 0.0 -
5 Catrien 60 58 55 +3 2.0 -
6 Amphitrite 61 57 63 -6 2.0 -
99 Tipperary - 62 60 +2 2.0 -
99 Indignation - - 59 - 0.0 -
99 Hop Hop Spinnekop - 69 63 +6 2.0 -
99 Happy Hooves - 62 63 -1 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