Official NHA Assessment

Race 2: SPRING INTO THE SEASON MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Green Bubbles
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
8 / 12
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    Quantum              5    57.0    1    0.00     0.0   -     68           6     +6
2    Strange Magic        5    57.0    2    4.00     0.0   -     69           69    +69
3    Green Bubbles        2    57.0    3    5.75     0.0   68    68           68    +0
4    Miss Tango           2    53.0    4    5.85     0.0   69    60           60    -9
5    Pomozelous           3    57.0    5    6.95     8.5   -     51           51    +51
6    Silk Garden          3    58.5    6    7.20     8.5   60    54           54    -6
7    Ultima Ictu          2    57.0    7    7.50     0.0   64    68           68    +4
8    Heartlight           2    53.0    8    8.75     0.0   64    60           60    -4
9    Oceans Pride         7    60.0    9    10.75    0.0   57    74           74    +17
10   Lady Chocolat        2    57.0    10   12.65    0.0   68    68           68    +0
11   Feel The Magic       2    57.0    11   22.65    0.0   24    68           68    +44
99   Que Ceu Azul         2    57.0    99   0.00     0.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Quantum - 67 6 +61 0.0 -
2 Strange Magic - 69 69 ✓ Match 0.0 -
3 Green Bubbles Line 68 66 68 -2 0.0
4 Miss Tango 69 69 60 +9 0.0 -
5 Pomozelous - 62 51 +11 8.5 -
6 Silk Garden 60 56 54 +2 8.5 -
7 Ultima Ictu 64 60 68 -8 0.0 -
8 Heartlight 64 48 60 -12 0.0 -
9 Oceans Pride 57 57 74 -17 0.0 -
10 Lady Chocolat 68 54 68 -14 0.0 -
11 Feel The Magic 24 30 68 -38 0.0 -
99 Que Ceu Azul - 72 68 +4 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