Official NHA Assessment

Race 7: WORLD SPORTS BETTING MR 98 DIVIDED HANDICAP (Open)

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Line Horse
Somerset Maugham
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
1 / 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    Azores               5    59.5    1    0.00     0.0   97    95           97    +0
2    Catchafallingstar    5    57.0    2    0.05     0.0   92    90           90    -2
3    Flower Of Saigon     4    55.5    3    0.45     1.0   89    90           90    +1
4    Somerset Maugham     4    60.0    4    1.20     1.0   98    98           98    +0
5    Musical Glitch       4    59.5    5    1.95     1.0   97    96           96    -1
6    Arctic Drift         5    59.0    6    2.70     0.0   96    96           96    +0
7    Magical Midlands     4    53.5    7    3.20     1.0   85    83           83    -2
8    Waiting For Summer   3    54.5    8    6.45     2.5   92    80           82    -10
99   Kariba Hall          4    54.0    99   0.00     1.0   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Azores 97 100 97 +3 0.0 -
2 Catchafallingstar 92 94 90 +4 0.0 -
3 Flower Of Saigon 89 102 90 +12 1.0 -
4 Somerset Maugham Line 98 97 98 -1 1.0
5 Musical Glitch 97 101 96 +5 1.0 -
6 Arctic Drift 96 97 96 +1 0.0 -
7 Magical Midlands 85 79 83 -4 1.0 -
8 Waiting For Summer 92 79 82 -3 2.5 -
99 Kariba Hall - 86 82 +4 1.0 -
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