Official NHA Assessment

Race 8: TERRA DEL CAPO FM 84 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Winter Mosaic
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    Winter Furi          4    57.5    1    0.00     6.0   79    84           79    +0
2    Winter Mosaic        3    60.5    2    2.50     5.0   92    92           92    +0
3    Magnetic Dime        4    54.0    3    3.40     6.0   72    77           77    +5
4    La Folie Douce       3    58.0    4    3.50     5.0   87    87           87    +0
5    Sonic Burst          4    60.0    5    3.75     6.0   84    89           89    +5
6    L'Ami Jean           4    53.0    6    5.00     6.0   70    75           75    +5
7    Polar World          3    56.5    7    5.75     5.0   84    84           84    +0
8    Bye Bye Bombshell    3    54.5    8    6.00     5.0   85    80           80    -5
9    Do Si Do             3    50.5    9    7.25     5.0   73    72           72    -1
10   Area Fifty One       3    60.5    10   8.00     5.0   92    92           92    +0
11   Quick Breeze         3    58.5    11   10.25    5.0   88    88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Winter Furi 79 87 79 +8 6.0 -
2 Winter Mosaic Line 92 94 92 +2 5.0
3 Magnetic Dime 72 78 77 +1 6.0 -
4 La Folie Douce 87 88 87 +1 5.0 -
5 Sonic Burst 84 81 89 -8 6.0 -
6 L'Ami Jean 70 64 75 -11 6.0 -
7 Polar World 84 70 84 -14 5.0 -
8 Bye Bye Bombshell 85 93 80 +13 5.0 -
9 Do Si Do 73 65 72 -7 5.0 -
10 Area Fifty One 92 78 92 -14 5.0 -
11 Quick Breeze 88 79 88 -9 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