Official NHA Assessment

Race 6: TAB 4RACING APP CLASSIFIED STAKES (For horses with nett rating of 71 and below)

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Line Horse
American Landing
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
0 / 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    Guy Alexander        3    56.0    1    0.00     8.0   62    44           44    -18
2    Dirty Martini        4    52.5    2    3.25     4.5   55    47           47    -8
3    Masters Queen        3    55.5    3    3.50     8.0   69    46           59    -10
4    American Landing     7    58.0    4    3.60     0.0   67    67           67    +0
5    Euphoric             6    60.0    5    5.85     0.0   71    68           68    -3
6    Cane Lime 'n Soda    5    60.0    6    6.10     0.0   69    68           68    -1
7    King Of Luv          4    52.5    7    6.15     4.5   54    44           44    -10
8    Almighwaar           3    58.0    8    9.65     8.0   67    48           57    -10
9    Drengs Ferry         3    56.0    9    10.15    8.0   65    44           55    -10
10   Secret Link          3    54.0    10   10.25    8.0   58    40           48    -10
11   Young Nelson         3    58.0    11   99.99    8.0   68    48           58    -10
12   Almas Tower          2    58.0    12   99.98    0.0   82    64           72    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Guy Alexander 62 72 44 +28 8.0 -
2 Dirty Martini 55 50 47 +3 4.5 -
3 Masters Queen 69 56 59 -3 8.0 -
4 American Landing Line 67 80 67 +13 0.0
5 Euphoric 71 62 68 -6 0.0 -
6 Cane Lime 'n Soda 69 65 68 -3 0.0 -
7 King Of Luv 54 48 44 +4 4.5 -
8 Almighwaar 67 54 57 -3 8.0 -
9 Drengs Ferry 65 62 55 +7 8.0 -
10 Secret Link 58 52 48 +4 8.0 -
11 Young Nelson 68 62 58 +4 8.0 -
12 Almas Tower 82 82 72 +10 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