Official NHA Assessment

Race 3: WSB CLUB PRIVE MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Lilting Song
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
4 / 10
Within 2 points
Significant Diffs
5 / 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    Lilting Song         2    60.0    1    0.00     0.0   74    74           74    +0
2    Lovecomesknocking    3    60.0    2    0.60     2.0   64    75           75    +11
3    Harpa                2    60.0    3    2.00     0.0   74    77           77    +3
4    Lolly Willowes       3    60.0    4    2.80     2.0   74    72           72    -2
5    Chooks Kiss          3    60.0    5    3.40     2.0   73    71           71    -2
6    Tipperary            3    60.0    6    3.65     2.0   64    71           71    +7
7    Amphitrite           3    60.0    7    6.35     2.0   62    70           70    +8
8    Blonde Bombshell     2    60.0    8    8.35     0.0   63    74           74    +11
9    Chaos Queen          3    58.5    9    9.35     2.0   -     67           67    +67
10   Hollywood Heiress    2    60.0    10   9.45     0.0   65    74           74    +9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Lilting Song Line 74 74 74 ✓ Match 0.0
2 Lovecomesknocking 64 73 75 -2 2.0 -
3 Harpa 74 73 77 -4 0.0 -
4 Lolly Willowes 74 73 72 +1 2.0 -
5 Chooks Kiss 73 73 71 +2 2.0 -
6 Tipperary 64 62 71 -9 2.0 -
7 Amphitrite 62 61 70 -9 2.0 -
8 Blonde Bombshell 63 60 74 -14 0.0 -
9 Chaos Queen - - 67 -67 2.0 -
10 Hollywood Heiress 65 60 74 -14 0.0 -
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