Official NHA Assessment

Race 8: Hollywoodbets BRIGHT FUTURE MR 80 HANDICAP (Open)

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Line Horse
Twenty One May
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 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    Kalahari Roller      3    53.5    1    0.00     6.0   83    75           83    +0
2    Future Flo           4    57.0    2    0.40     7.0   77    80           80    +3
3    Twenty One May       3    60.5    3    0.80     6.0   89    89           89    +0
4    Cold Shine           2    60.5    4    1.50     4.0   89    93           93    +4
5    Ndaka                3    53.5    5    1.80     6.0   75    75           75    +0
6    Fine One             2    60.0    6    2.40     4.0   88    92           92    +4
7    Professor Lupin      4    59.0    7    3.45     7.0   78    84           84    +6
8    Rafa's Boy           2    58.0    8    3.55     4.0   76    88           88    +12
9    Intrepid             3    59.5    9    4.05     6.0   79    87           87    +8
10   B Fiftytwo           4    62.0    10   5.65     7.0   84    90           90    +6
11   Immah                3    60.0    11   9.85     6.0   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 Kalahari Roller 83 86 83 +3 6.0 -
2 Future Flo 77 95 80 +15 7.0 -
3 Twenty One May Line 89 91 89 +2 6.0
4 Cold Shine 89 77 93 -16 4.0 -
5 Ndaka 75 61 75 -14 6.0 -
6 Fine One 88 84 92 -8 4.0 -
7 Professor Lupin 78 67 84 -17 7.0 -
8 Rafa's Boy 76 79 88 -9 4.0 -
9 Intrepid 79 73 87 -14 6.0 -
10 B Fiftytwo 84 68 90 -22 7.0 -
11 Immah 88 82 88 -6 6.0 -
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