Official NHA Assessment

Race 3: FOLLOW IN THE BOX SEAT PODCAST MR 80 HANDICAP (Open)

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Line Horse
Intrepid
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
5 / 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    Masterbling          3    54.5    1    0.00     7.5   69    69           69    +0
2    Twenty One May       3    59.5    2    0.30     7.5   89    79           79    -10
3    Intrepid             3    58.0    3    0.40     7.5   76    76           76    +0
4    Trafalgar Square     6    58.5    4    1.00     0.0   77    92           92    +15
5    Mask On              3    51.0    5    1.10     7.5   70    62           62    -8
6    Ultra Quick          6    58.5    6    1.60     0.0   77    92           92    +15
7    Professor Lupin      4    58.0    7    2.10     9.0   79    73           73    -6
99   Jet Legacy           5    59.0    99   0.00     0.0   -     93           93    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Masterbling 69 74 69 +5 7.5 -
2 Twenty One May 89 91 79 +12 7.5 -
3 Intrepid Line 76 73 76 -3 7.5
4 Trafalgar Square 77 69 92 -23 0.0 -
5 Mask On 70 52 62 -10 7.5 -
6 Ultra Quick 77 71 92 -21 0.0 -
7 Professor Lupin 79 67 73 -6 9.0 -
99 Jet Legacy - 89 93 -4 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