Official NHA Assessment

Race 8: RACING240 FOR RACING. FOR YOU MR 90 HANDICAP (Open)

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Line Horse
Spin Doctor
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
5 / 12
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    Painite              5    53.5    1    0.00     0.0   77    76           77    +0
2    Central City         5    57.0    2    0.75     0.0   84    89           89    +5
3    Spin Doctor          3    56.5    3    1.25     2.5   83    83           83    +0
4    Storm Commander      5    52.5    4    1.50     0.0   74    79           79    +5
5    Then In Focus        2    52.0    5    2.75     0.0   74    76           76    +2
6    Ellis Island         4    52.0    6    2.80     1.0   60    74           74    +14
7    Magnum Fire          7    52.0    7    4.30     0.0   73    74           74    +1
8    Say Yes              2    61.0    8    4.55     0.0   92    92           92    +0
9    Jaeger Moon          7    61.5    9    9.30     0.0   93    92           92    -1
10   Official Secret      6    59.5    10   9.40     0.0   97    88           88    -9
11   Dowser               5    59.0    11   21.65    0.0   88    87           87    -1
99   Magical Midlands     4    54.5    99   0.00     1.0   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Painite 77 82 77 +5 0.0 -
2 Central City 84 81 89 -8 0.0 -
3 Spin Doctor Line 83 90 83 +7 2.5
4 Storm Commander 74 74 79 -5 0.0 -
5 Then In Focus 74 71 76 -5 0.0 -
6 Ellis Island 60 66 74 -8 1.0 -
7 Magnum Fire 73 59 74 -15 0.0 -
8 Say Yes 92 90 92 -2 0.0 -
9 Jaeger Moon 93 97 92 +5 0.0 -
10 Official Secret 97 103 88 +15 0.0 -
11 Dowser 88 84 87 -3 0.0 -
99 Magical Midlands - 79 76 +3 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