Official NHA Assessment

Race 2: OFF THE RAILS MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Bay Of Dreams
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
9 / 9
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    Winter's Destiny     3    59.0    1    0.00     4.0   50    60           56    +6
2    Bay Of Dreams        3    59.0    2    3.00     4.0   62    62           62    +0
3    Brass Lassi          4    58.5    3    5.60     2.5   54    62           62    +8
4    Always On Time       3    59.0    4    6.90     4.0   54    60           60    +6
5    Capriana             4    60.0    5    11.40    2.5   57    65           65    +8
6    Greatclubqueen       3    59.0    6    13.50    4.0   55    60           60    +5
7    Show The FLag        4    60.0    7    13.80    2.5   42    65           65    +23
99   River Club           3    59.0    99   0.00     4.0   -     60           60    +0
99   Nkalanzinzi          3    59.0    99   0.00     4.0   -     60           60    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Winter's Destiny 50 86 56 +30 4.0 -
2 Bay Of Dreams Line 62 43 62 -19 4.0
3 Brass Lassi 54 54 62 -8 2.5 -
4 Always On Time 54 54 60 -6 4.0 -
5 Capriana 57 59 65 -6 2.5 -
6 Greatclubqueen 55 52 60 -8 4.0 -
7 Show The FLag 42 42 65 -23 2.5 -
99 River Club - - 60 -60 4.0 -
99 Nkalanzinzi - 50 60 -10 4.0 -
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