Official NHA Assessment

Race 8: NEXT MEETING 9 FEBRUARY - KENILWORTH FM 80 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
La Folie Douce
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
8 / 11
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    Fearless Trip        3    55.5    1    0.00     4.5   77    77           77    +0
2    Dad's Catch          4    61.0    2    0.05     5.0   82    87           87    +5
3    La Folie Douce       3    60.0    3    0.35     4.5   86    86           86    +0
4    Stiptelik (AUS)      3    60.5    4    0.85     4.5   87    87           87    +0
5    Going Up             3    59.5    5    0.95     4.5   85    85           85    +0
6    Ma Black             4    58.0    6    1.95     5.0   76    81           81    +5
7    Twilight Hour        3    60.0    7    2.00     4.5   86    86           86    +0
8    Super Siri           3    57.0    8    8.25     4.5   80    80           80    +0
9    Athalia              5    58.0    9    11.00    0.0   76    91           91    +15
10   Noosa Princess       4    55.5    10   11.30    5.0   71    76           76    +5
99   Magnetic Dime        4    56.0    99   0.00     5.0   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Fearless Trip 77 63 77 -14 4.5 -
2 Dad's Catch 82 88 87 +1 5.0 -
3 La Folie Douce Line 86 88 86 +2 4.5
4 Stiptelik (AUS) 87 104 87 +17 4.5 -
5 Going Up 85 110 85 +25 4.5 -
6 Ma Black 76 74 81 -7 5.0 -
7 Twilight Hour 86 74 86 -12 4.5 -
8 Super Siri 80 63 80 -17 4.5 -
9 Athalia 76 72 91 -19 0.0 -
10 Noosa Princess 71 66 76 -10 5.0 -
99 Magnetic Dime - 78 77 +1 5.0 -
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