Official NHA Assessment

Race 8: Hollywoodbets BRIGHT FUTURE MR 74 HANDICAP (Open)

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Line Horse
Lady Serena
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
0 / 13
Within 2 points
Significant Diffs
11 / 13
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    National Unity       4    55.0    1    0.00     1.5   64    77           64    +0
2    Lady Serena          3    51.5    2    1.70     2.5   71    71           71    +0
3    Palace Wind          5    50.5    3    1.80     0.0   50    74           74    +24
4    Northern Warrior     7    55.0    4    1.85     0.0   67    83           83    +16
5    Movie Magic          6    52.0    5    2.05     0.0   57    77           77    +20
6    Parktown             5    59.5    6    2.35     0.0   73    91           91    +18
7    Blackwhitedynamite   3    56.0    7    2.40     2.5   72    79           79    +7
8    Brazil Nut           4    59.0    8    3.30     1.5   72    86           86    +14
9    Pink Floyd           6    59.0    9    3.35     0.0   72    89           89    +17
10   Space News           4    59.0    10   3.40     1.5   72    86           86    +14
11   Prospero             4    54.5    11   4.15     1.5   68    77           77    +9
12   Beechamwood Boy      6    59.5    12   4.75     0.0   79    89           89    +10
99   Tight Five           4    56.5    99   0.00     1.5   -     80           80    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 National Unity 64 67 64 +3 1.5 -
2 Lady Serena Line 71 80 71 +9 2.5
3 Palace Wind 50 48 74 -26 0.0 -
4 Northern Warrior 67 73 83 -10 0.0 -
5 Movie Magic 57 56 77 -21 0.0 -
6 Parktown 73 69 91 -22 0.0 -
7 Blackwhitedynamite 72 86 79 +7 2.5 -
8 Brazil Nut 72 72 86 -14 1.5 -
9 Pink Floyd 72 65 89 -24 0.0 -
10 Space News 72 52 86 -34 1.5 -
11 Prospero 68 68 77 -9 1.5 -
12 Beechamwood Boy 79 84 89 -5 0.0 -
99 Tight Five - 58 80 -22 1.5 -
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