Official NHA Assessment

Race 4: TAB 4RACING APP MR 72 HANDICAP (Open)

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Line Horse
Guarding The Wall
Reference for assessment
Exact Matches
2 / 14
Calculated = Official
Close Matches
4 / 14
Within 2 points
Significant Diffs
6 / 14
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    Globetonic           6    57.5    1    0.00     0.0   67    66           67    +0
2    Guarding The Wall    4    57.5    2    1.25     1.5   67    67           67    +0
3    Future Of Energy     5    53.0    3    1.30     0.0   58    60           60    +2
4    King Rahul           4    54.0    4    2.55     1.5   60    58           58    -2
5    Greenlight Express   3    56.5    5    3.05     2.5   70    61           61    -9
6    Four Jacks           4    62.5    6    3.80     1.5   77    74           74    -3
7    Below Deck           4    60.0    7    4.55     1.5   72    68           68    -4
8    Mister Whistle       4    52.0    8    5.80     1.5   49    52           52    +3
9    Lanciafiamme         3    59.5    9    8.05     2.5   77    65           67    -10
10   Courageous           4    59.5    10   8.15     1.5   71    67           67    -4
11   Legal Thriller       4    60.5    11   8.65     1.5   73    69           69    -4
12   Nikes Ray Of Light   3    58.0    12   14.15    2.5   74    62           64    -10
13   Jet Lavish           3    61.0    13   22.40    2.5   80    68           70    -10
14   Thunder Master       6    61.0    14   99.99    0.0   74    73           73    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Globetonic 67 77 67 +10 0.0 -
2 Guarding The Wall Line 67 67 67 ✓ Match 1.5
3 Future Of Energy 58 55 60 -5 0.0 -
4 King Rahul 60 63 58 +5 1.5 -
5 Greenlight Express 70 68 61 +7 2.5 -
6 Four Jacks 77 65 74 -9 1.5 -
7 Below Deck 72 72 68 +4 1.5 -
8 Mister Whistle 49 52 52 ✓ Match 1.5 -
9 Lanciafiamme 77 102 67 +35 2.5 -
10 Courageous 71 62 67 -5 1.5 -
11 Legal Thriller 73 70 69 +1 1.5 -
12 Nikes Ray Of Light 74 65 64 +1 2.5 -
13 Jet Lavish 80 80 70 +10 2.5 -
14 Thunder Master 74 80 73 +7 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