Official NHA Assessment

Race 4: WSB RACING AT ITS BEST FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
You're So Special
Reference for assessment
Exact Matches
2 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
4 / 9
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    Detailed Forecast    2    58.5    1    0.00     1.5   77    83           77    +0
2    Morfeliha            2    55.5    2    0.50     1.5   77    77           77    +0
3    You're So Special    2    58.5    3    1.25     1.5   83    83           83    +0
4    Shori Kai            3    54.5    4    1.35     2.5   70    73           73    +3
5    Exceedingly Glam     3    60.0    5    1.85     2.5   78    84           84    +6
6    Priscilla Maisey     2    61.0    6    2.35     1.5   80    88           88    +8
7    Whirlybird           2    56.5    7    3.10     1.5   71    79           79    +8
8    Ocean Flame          2    56.0    8    3.15     1.5   73    78           78    +5
9    Happy Wives          3    61.0    9    4.65     2.5   80    86           86    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Detailed Forecast 77 78 77 +1 1.5 -
2 Morfeliha 77 77 77 ✓ Match 1.5 -
3 You're So Special Line 83 83 83 ✓ Match 1.5
4 Shori Kai 70 70 73 -3 2.5 -
5 Exceedingly Glam 78 78 84 -6 2.5 -
6 Priscilla Maisey 80 80 88 -8 1.5 -
7 Whirlybird 71 71 79 -8 1.5 -
8 Ocean Flame 73 73 78 -5 1.5 -
9 Happy Wives 80 79 86 -7 2.5 -
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