Official NHA Assessment

Race 3: LUCKY FISH MAIDEN DASH MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Cassandra
Reference for assessment
Exact Matches
2 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
4 / 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    Cassandra            2    59.0    1    0.00     0.0   79    79           79    +0
2    Loui's Star          3    60.0    2    0.20     6.0   65    69           69    +4
3    Pacific Waters       2    59.0    3    0.70     0.0   74    84           84    +10
4    Gold Gold Baby       3    59.0    4    1.45     6.0   -     70           70    +70
5    Kisses               3    60.0    5    1.50     6.0   68    72           72    +4
6    Spirit Of Nical      3    59.0    6    2.00     6.0   -     70           70    +70
7    Ain't Misbehavin'    3    59.0    7    5.00     6.0   -     67           67    +67
8    Beautiful One        2    59.0    8    5.75     0.0   76    79           79    +3
9    Surely Not           3    59.0    9    9.75     6.0   68    67           67    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Cassandra Line 79 78 79 -1 0.0
2 Loui's Star 65 69 69 ✓ Match 6.0 -
3 Pacific Waters 74 73 84 -11 0.0 -
4 Gold Gold Baby - 73 70 +3 6.0 -
5 Kisses 68 66 72 -6 6.0 -
6 Spirit Of Nical - 72 70 +2 6.0 -
7 Ain't Misbehavin' - 67 67 ✓ Match 6.0 -
8 Beautiful One 76 69 79 -10 0.0 -
9 Surely Not 68 60 67 -7 6.0 -
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