Official NHA Assessment

Race 7: RACING240 PINNACLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Franca
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 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    Franca               3    61.0    1    0.00     2.5   99    99           99    +0
2    Green Light Gal      4    59.5    2    1.25     0.0   93    101          101   +8
3    Glacier Gold         4    59.5    3    2.50     0.0   95    101          101   +6
4    Variety Breeze       4    53.5    4    3.00     0.0   78    89           89    +11
5    Joyful Noise         4    59.5    5    3.25     0.0   99    101          101   +2
6    Delicasea            4    58.0    6    4.50     0.0   87    98           98    +11
7    Bad Habit            5    55.0    7    5.50     0.0   78    92           92    +14
8    Victoria Tower       5    56.5    8    6.25     0.0   85    95           95    +10
99   Persica              5    52.0    99   0.00     0.0   -     86           86    +0
99   Aye Aye              5    56.5    99   0.00     0.0   -     95           95    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Franca Line 99 90 99 -9 2.5
2 Green Light Gal 93 93 101 -8 0.0 -
3 Glacier Gold 95 104 101 +3 0.0 -
4 Variety Breeze 78 62 89 -27 0.0 -
5 Joyful Noise 99 95 101 -6 0.0 -
6 Delicasea 87 74 98 -24 0.0 -
7 Bad Habit 78 75 92 -17 0.0 -
8 Victoria Tower 85 84 95 -11 0.0 -
99 Persica - 48 86 -38 0.0 -
99 Aye Aye - 83 95 -12 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