Official NHA Assessment

Race 7: TAB TELEBET 0861 000 822 MR 66 HANDICAP (Open)

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Line Horse
Buffalo Bill
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
7 / 10
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    Ravilious            3    53.5    1    0.00     9.5   61    60           61    +0
2    Buffalo Bill         2    62.5    2    1.25     6.5   84    84           84    +0
3    Munchkin             5    60.5    3    2.75     0.0   67    93           93    +26
4    Wissa's On Fire      4    61.0    4    3.00     11.0  68    72           72    +4
5    Four Jacks           4    62.0    5    4.25     11.0  70    74           74    +4
6    Flight Engineer      3    61.0    6    4.35     9.5   68    75           75    +7
7    North Star           2    61.0    7    4.85     6.5   81    81           81    +0
8    Pomodoro Magic       5    57.0    8    7.35     0.0   60    86           86    +26
9    Piton De Neige       4    54.5    9    10.10    11.0  55    59           59    +4
10   House Of Sussex      4    55.0    10   10.35    11.0  56    60           60    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ravilious 61 81 61 +20 9.5 -
2 Buffalo Bill Line 84 107 84 +23 6.5
3 Munchkin 67 65 93 -28 0.0 -
4 Wissa's On Fire 68 71 72 -1 11.0 -
5 Four Jacks 70 65 74 -9 11.0 -
6 Flight Engineer 68 58 75 -17 9.5 -
7 North Star 81 85 81 +4 6.5 -
8 Pomodoro Magic 60 53 86 -33 0.0 -
9 Piton De Neige 55 57 59 -2 11.0 -
10 House Of Sussex 56 50 60 -10 11.0 -
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