Official NHA Assessment

Race 6: TAB TELEBET 011 074 0300 MIDDLE STAKES (For All Horses)

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Line Horse
Kamensky
Reference for assessment
Exact Matches
2 / 12
Calculated = Official
Close Matches
5 / 12
Within 2 points
Significant Diffs
2 / 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    Kamensky             3    62.0    1    0.00     2.0   105   105          105   +0
2    Slinky Mapimpi       5    60.0    2    0.20     0.0   101   105          105   +4
3    Open Highway         4    58.0    3    1.70     1.0   94    102          102   +8
4    Paul Revere          3    53.5    4    2.50     2.0   92    90           90    -2
5    Miss Scaletta        3    54.5    5    3.00     2.0   96    92           92    -4
6    Phil The Fluter      2    50.0    6    3.60     0.0   81    86           86    +5
7    Radicchio            5    60.0    7    3.90     0.0   100   106          106   +6
8    The Africa House     4    56.0    8    4.60     1.0   93    95           95    +2
9    Imperial Master      4    53.5    9    10.60    1.0   90    90           90    +0
10   Skittles Skies       3    58.0    10   99.99    2.0   96    97           97    +1
99   Master Christmas     4    58.0    99   0.00     1.0   -     99           99    +0
99   A Bit Of Class       2    54.0    99   0.00     0.0   -     93           93    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kamensky Line 105 105 105 ✓ Match 2.0
2 Slinky Mapimpi 101 101 105 -4 0.0 -
3 Open Highway 94 94 102 -8 1.0 -
4 Paul Revere 92 92 90 +2 2.0 -
5 Miss Scaletta 96 96 92 +4 2.0 -
6 Phil The Fluter 81 81 86 -5 0.0 -
7 Radicchio 100 100 106 -6 0.0 -
8 The Africa House 93 93 95 -2 1.0 -
9 Imperial Master 90 90 90 ✓ Match 1.0 -
10 Skittles Skies 96 96 97 -1 2.0 -
99 Master Christmas - 94 99 -5 1.0 -
99 A Bit Of Class - 98 93 +5 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