Official NHA Assessment

Race 5: GOLD CIRCLE RACING YOUTUBE CHANNEL MR 66 HANDICAP (Open)

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Line Horse
Fiery Duke
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
4 / 9
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    Crested Eagle        3    60.0    1    0.00     4.0   69    64           69    +0
2    Justfortheepenny     5    54.0    2    1.60     0.0   54    63           63    +9
3    Fiery Duke           3    57.0    3    2.30     4.0   60    60           60    +0
4    Allaroundtheworld (  3    58.0    4    3.90     4.0   62    61           61    -1
5    Brave Voyager        3    55.0    5    3.95     4.0   56    55           55    -1
6    Bugsy Malone         5    50.5    6    4.45     0.0   49    53           53    +4
7    Walton Hall          5    50.5    7    4.50     0.0   52    53           53    +1
8    Jetavana             3    60.5    8    5.80     4.0   67    65           65    -2
9    Giambattista         3    60.5    9    15.50    4.0   67    65           65    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Crested Eagle 69 51 69 -18 4.0 -
2 Justfortheepenny 54 65 63 +2 0.0 -
3 Fiery Duke Line 60 72 60 +12 4.0
4 Allaroundtheworld (GB) 62 73 61 +12 4.0 -
5 Brave Voyager 56 51 55 -4 4.0 -
6 Bugsy Malone 49 49 53 -4 0.0 -
7 Walton Hall 52 50 53 -3 0.0 -
8 Jetavana 67 65 65 ✓ Match 4.0 -
9 Giambattista 67 87 65 +22 4.0 -
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