Official NHA Assessment

Race 2: RACING240 MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Passion Fantacy
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
6 / 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    Tamil Tiger          4    60.0    1    0.00     1.5   60    60           60    +0
2    Grace Lightning      3    60.0    2    2.25     3.0   64    60           60    -4
3    St Patrick's Day     4    60.0    3    3.75     1.5   53    61           61    +8
4    Passion Fantacy      3    60.0    4    5.25     3.0   57    57           57    +0
5    Cape Diamond         4    60.0    5    7.00     1.5   56    60           60    +4
6    Wildest Dreams       3    60.0    6    11.25    3.0   72    57           62    -10
7    Dame Colleen         3    60.0    7    14.50    3.0   49    57           57    +8
8    Gimme A Ruby         3    60.0    8    20.50    3.0   56    57           57    +1
9    Shades Of Glitter    3    57.5    9    24.00    3.0   -     52           52    +52
10   Willow Moon          3    60.0    10   38.50    3.0   32    57           57    +25
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tamil Tiger 60 58 60 -2 1.5 -
2 Grace Lightning 64 60 60 ✓ Match 3.0 -
3 St Patrick's Day 53 42 61 -19 1.5 -
4 Passion Fantacy Line 57 56 57 -1 3.0
5 Cape Diamond 56 50 60 -10 1.5 -
6 Wildest Dreams 72 87 62 +25 3.0 -
7 Dame Colleen 49 46 57 -11 3.0 -
8 Gimme A Ruby 56 53 57 -4 3.0 -
9 Shades Of Glitter - 30 52 -22 3.0 -
10 Willow Moon 32 28 57 -29 3.0 -
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