Official NHA Assessment

Race 7: THANKS TO THE LOYAL NEW TURF CLIENTS MR 66 HANDICAP (Open)

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Line Horse
Count Marsh
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
6 / 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    Rafiki               2    57.5    1    0.00     0.0   61    58           61    +0
2    Mister Nibbles       3    61.0    2    0.25     0.5   86    64           76    -10
3    Lou Lou The Legend   3    53.5    3    0.95     0.5   52    53           53    +1
4    Count Marsh          7    57.5    4    1.65     0.0   61    61           61    +0
5    Brass Bell           8    55.5    5    1.70     0.0   57    57           57    +0
6    Devils And Dust      2    55.0    6    4.60     0.0   56    53           53    -3
7    Brave Voyager        3    58.0    7    7.00     0.5   62    58           58    -4
8    Fate Of Fortune      3    59.5    8    8.60     0.5   65    61           61    -4
99   King Bavarian        5    53.0    99   0.00     0.0   -     49           49    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rafiki 61 67 61 +6 0.0 -
2 Mister Nibbles 86 81 76 +5 0.5 -
3 Lou Lou The Legend 52 59 53 +6 0.5 -
4 Count Marsh Line 61 52 61 -9 0.0
5 Brass Bell 57 55 57 -2 0.0 -
6 Devils And Dust 56 52 53 -1 0.0 -
7 Brave Voyager 62 51 58 -7 0.5 -
8 Fate Of Fortune 65 77 61 +16 0.5 -
99 King Bavarian - 67 49 +18 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