Official NHA Assessment

Race 7: TAB 4RACING APP MR 82 HANDICAP (Open)

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Line Horse
Sequoia
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 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    Brenden James        6    61.0    1    0.00     0.0   84    82           84    +0
2    Narcos               3    62.5    2    1.75     5.0   87    78           78    -9
3    Euphoric             6    57.5    3    1.85     0.0   77    78           78    +1
4    Sequoia              6    61.0    4    2.60     0.0   84    84           84    +0
5    El Romiachi          8    59.0    5    2.65     0.0   80    80           80    +0
6    Pashtunwali          6    56.5    6    2.70     0.0   75    75           75    +0
7    Forest Spy           2    55.0    7    2.75     0.0   72    72           72    +0
8    Global Force         2    56.0    8    4.00     0.0   84    73           74    -10
9    Climate Control      2    56.0    9    5.50     0.0   74    72           72    -2
10   Vision Of Wonder     2    59.5    10   7.25     0.0   91    79           81    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Brenden James 84 98 84 +14 0.0 -
2 Narcos 87 86 78 +8 5.0 -
3 Euphoric 77 62 78 -16 0.0 -
4 Sequoia Line 84 99 84 +15 0.0
5 El Romiachi 80 77 80 -3 0.0 -
6 Pashtunwali 75 58 75 -17 0.0 -
7 Forest Spy 72 85 72 +13 0.0 -
8 Global Force 84 80 74 +6 0.0 -
9 Climate Control 74 65 72 -7 0.0 -
10 Vision Of Wonder 91 87 81 +6 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