Official NHA Assessment

Race 6: FOLLOW GOLD CIRCLE ON FACEBOOK MR 80 HANDICAP (Open)

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Line Horse
Eddie The Mover
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
7 / 8
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    Shampompo Shampizi   7    61.0    1    0.00     0.0   87    79           87    +0
2    Master Josh          2    61.0    2    0.10     0.0   85    79           79    -6
3    Eddie The Mover      2    58.0    3    1.60     0.0   76    76           76    +0
4    Kimball O'Hara       2    55.5    4    1.65     0.0   71    71           71    +0
5    Ultra Quick          6    60.5    5    4.85     0.0   81    78           78    -3
6    Imperial Power       4    58.0    6    6.95     2.0   83    69           73    -10
7    Harley Street        3    59.0    7    15.85    3.0   78    69           69    -9
99   Rugger Bugger        3    59.0    99   0.00     3.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Shampompo Shampizi 87 93 87 +6 0.0 -
2 Master Josh 85 97 79 +18 0.0 -
3 Eddie The Mover Line 76 76 76 ✓ Match 0.0
4 Kimball O'Hara 71 61 71 -10 0.0 -
5 Ultra Quick 81 71 78 -7 0.0 -
6 Imperial Power 83 89 73 +16 2.0 -
7 Harley Street 78 81 69 +12 3.0 -
99 Rugger Bugger - 77 69 +8 3.0 -
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