Official NHA Assessment

Race 6: FOLLOW GOLD CIRCLE ON FACEBOOK MR 82 HANDICAP (Open)

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Line Horse
Force De Dieu
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
6 / 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    King's Island        4    56.5    1    0.00     4.0   75    79           75    +0
2    Force De Dieu        3    54.5    2    2.30     7.0   71    71           71    +0
3    Imaginable           3    56.0    3    3.00     7.0   74    74           74    +0
4    Famous Warrior       3    56.5    4    3.05     7.0   92    75           82    -10
5    Royal Swan Master    3    61.5    5    3.55     7.0   85    84           84    -1
6    Rodriguez            6    59.5    6    15.85    0.0   81    93           93    +12
7    Irish Luck           2    55.0    7    99.92    0.0   72    84           84    +12
99   Whispers Of War (AU  7    54.0    99   0.00     0.0   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 King's Island 75 72 75 -3 4.0 -
2 Force De Dieu Line 71 64 71 -7 7.0
3 Imaginable 74 92 74 +18 7.0 -
4 Famous Warrior 92 90 82 +8 7.0 -
5 Royal Swan Master 85 83 84 -1 7.0 -
6 Rodriguez 81 69 93 -24 0.0 -
7 Irish Luck 72 72 84 -12 0.0 -
99 Whispers Of War (AUS) - 64 82 -18 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