Official NHA Assessment

Race 5: TAB 4RACING APP FM 86 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Her Royalty
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
7 / 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    Le Premiere          4    57.5    1    0.00     12.0  81    83           81    +0
2    Project Runway       3    57.0    2    0.75     10.5  80    85           85    +5
3    Her Royalty          3    50.0    3    1.50     10.5  71    71           71    +0
4    Where's The Party    5    60.0    4    2.00     0.0   86    112          112   +26
5    Enchanting Lady      2    53.5    5    2.25     7.0   73    85           85    +12
6    Articuno             2    58.0    6    2.75     7.0   82    94           94    +12
7    Bomber Girl          4    60.0    7    3.75     12.0  86    88           88    +2
8    Havana Grey          3    54.0    8    3.85     10.5  74    79           79    +5
9    Bonjour La Ville     2    54.0    9    5.10     7.0   88    86           86    -2
10   Happy Wives          3    53.0    10   7.10     10.5  72    77           77    +5
11   Basingstoke          2    58.0    11   8.35     7.0   82    94           94    +12
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Le Premiere 81 84 81 +3 12.0 -
2 Project Runway 80 79 85 -6 10.5 -
3 Her Royalty Line 71 68 71 -3 10.5
4 Where's The Party 86 85 112 -27 0.0 -
5 Enchanting Lady 73 67 85 -18 7.0 -
6 Articuno 82 80 94 -14 7.0 -
7 Bomber Girl 86 84 88 -4 12.0 -
8 Havana Grey 74 68 79 -11 10.5 -
9 Bonjour La Ville 88 93 86 +7 7.0 -
10 Happy Wives 72 80 77 +3 10.5 -
11 Basingstoke 82 72 94 -22 7.0 -
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