Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION CLASSIFIED STAKES (For horses with nett rating of 71 and below)

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Line Horse
Guarding The Wall
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
8 / 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    Coastal Path         5    60.0    1    0.00     0.0   71    89           77    +6
2    Explosive Speed      2    60.0    2    0.05     5.5   70    78           78    +8
3    Jackson Misissippi   6    56.0    3    1.30     0.0   60    81           81    +21
4    Guarding The Wall    4    58.0    4    2.05     10.0  65    65           65    +0
5    Globetonic           6    60.0    5    3.55     0.0   69    89           89    +20
6    War Sword            4    60.0    6    3.60     10.0  68    69           69    +1
7    Absolu Noir          8    49.5    7    4.35     0.0   51    68           68    +17
8    Aquila Gold          4    60.0    8    5.60     10.0  68    69           69    +1
9    Golden Corn          2    57.0    9    10.85    5.5   71    72           72    +1
10   Magic Prince         2    57.5    10   31.60    5.5   68    73           73    +5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Coastal Path 71 77 77 ✓ Match 0.0 -
2 Explosive Speed 70 68 78 -10 5.5 -
3 Jackson Misissippi 60 58 81 -23 0.0 -
4 Guarding The Wall Line 65 67 65 +2 10.0
5 Globetonic 69 77 89 -12 0.0 -
6 War Sword 68 58 69 -11 10.0 -
7 Absolu Noir 51 50 68 -18 0.0 -
8 Aquila Gold 68 56 69 -13 10.0 -
9 Golden Corn 71 60 72 -12 5.5 -
10 Magic Prince 68 66 73 -7 5.5 -
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