Official NHA Assessment

Race 4: TAB TELEBET 0861 000 822 MR 74 HANDICAP (Open)

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Line Horse
Flying First Class
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
10 / 13
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    Kurt's Approval      7    52.0    1    0.00     0.0   51    57           51    +0
2    Flying First Class   4    60.0    2    0.40     2.0   75    75           75    +0
3    Viceroy              4    52.5    3    2.50     2.0   60    58           58    -2
4    Atomic Blonde        5    52.5    4    5.10     0.0   59    58           58    -1
5    Arlington Action     6    55.5    5    5.85     0.0   74    64           64    -10
6    Apollo Robbins       5    58.5    6    6.60     0.0   71    70           70    -1
7    Cap Estel            3    56.0    7    7.20     4.5   75    56           65    -10
8    Fort Alado           5    52.0    8    8.50     0.0   58    57           57    -1
9    The Sash             6    52.0    9    8.60     0.0   57    57           57    +0
10   Masaaken (AUS)       4    59.5    10   16.70    2.0   77    68           68    -9
11   So Long Spring       7    53.0    11   16.95    0.0   60    59           59    -1
12   Royal Mazarin        4    57.0    12   18.05    2.0   69    63           63    -6
13   Imperious Light      3    55.0    13   18.65    4.5   72    54           62    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kurt's Approval 51 60 51 +9 0.0 -
2 Flying First Class Line 75 82 75 +7 2.0
3 Viceroy 60 55 58 -3 2.0 -
4 Atomic Blonde 59 68 58 +10 0.0 -
5 Arlington Action 74 73 64 +9 0.0 -
6 Apollo Robbins 71 69 70 -1 0.0 -
7 Cap Estel 75 71 65 +6 4.5 -
8 Fort Alado 58 48 57 -9 0.0 -
9 The Sash 57 55 57 -2 0.0 -
10 Masaaken (AUS) 77 92 68 +24 2.0 -
11 So Long Spring 60 51 59 -8 0.0 -
12 Royal Mazarin 69 70 63 +7 2.0 -
13 Imperious Light 72 55 62 -7 4.5 -
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