Official NHA Assessment

Race 3: TRACK & BALL GAMING MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Ventriloquist
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
9 / 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    Alabama Sky          3    60.0    1    0.00     3.5   66    42           42    -24
2    Hydrangea            3    60.0    2    0.50     3.5   57    47           47    -10
3    Sexy Shiraz          3    60.0    3    1.60     3.5   57    45           47    -10
4    Ventriloquist        4    60.0    4    3.20     1.5   48    48           48    +0
5    La Dreamer           3    60.0    5    3.90     3.5   56    43           46    -10
6    Amble Inn            4    58.5    6    4.05     1.5   53    44           44    -9
7    Luck Of The Iris     4    60.0    7    4.10     1.5   49    47           47    -2
8    Sea Cruise           3    60.0    8    6.70     3.5   59    42           49    -10
9    Queenbelini          2    55.0    9    99.99    0.0   -     39           39    +39
10   Let The Sun Shine    3    56.0    10   99.99    3.5   45    34           35    -10
99   Red Hot Chili Girl   4    58.5    99   0.00     1.5   -     43           43    +0
99   Roy's Breyani        3    58.5    99   0.00     3.5   -     39           39    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Alabama Sky 66 59 42 +17 3.5 -
2 Hydrangea 57 59 47 +12 3.5 -
3 Sexy Shiraz 57 57 47 +10 3.5 -
4 Ventriloquist Line 48 46 48 -2 1.5
5 La Dreamer 56 48 46 +2 3.5 -
6 Amble Inn 53 56 44 +12 1.5 -
7 Luck Of The Iris 49 47 47 ✓ Match 1.5 -
8 Sea Cruise 59 58 49 +9 3.5 -
9 Queenbelini - 56 39 +17 0.0 -
10 Let The Sun Shine 45 48 35 +13 3.5 -
99 Red Hot Chili Girl - 50 43 +7 1.5 -
99 Roy's Breyani - 10 39 -29 3.5 -
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