Official NHA Assessment

Race 8: Hollywoodbets BRIGHT FUTURE FM 66 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Chelsea Flower
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
6 / 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    Witchwood            2    62.0    1    0.00     3.5   77    63           77    +0
2    Chelsea Flower       6    60.0    2    0.40     0.0   66    66           66    +0
3    Sting Ray            3    60.5    3    0.45     5.0   67    57           57    -10
4    Flying The Star      4    54.5    4    0.55     6.0   58    43           48    -10
5    Will O Me            2    53.5    5    1.05     3.5   53    46           46    -7
6    Sky Cafe             3    57.5    6    1.85     5.0   61    51           51    -10
7    Swiss Paradise       3    54.5    7    2.35     5.0   55    45           45    -10
8    Zululanga            3    56.5    8    7.25     5.0   59    49           49    -10
99   Eau De Vie           2    54.0    99   0.00     3.5   -     47           47    +0
99   Star Choice          5    61.5    99   0.00     0.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Witchwood 77 78 77 +1 3.5 -
2 Chelsea Flower Line 66 77 66 +11 0.0
3 Sting Ray 67 73 57 +16 5.0 -
4 Flying The Star 58 67 48 +19 6.0 -
5 Will O Me 53 50 46 +4 3.5 -
6 Sky Cafe 61 58 51 +7 5.0 -
7 Swiss Paradise 55 60 45 +15 5.0 -
8 Zululanga 59 53 49 +4 5.0 -
99 Eau De Vie - 50 47 +3 3.5 -
99 Star Choice - 77 69 +8 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