Official NHA Assessment

Race 6: RACING240 MR 66 HANDICAP (Open)

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Line Horse
Wild Fig
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
4 / 10
Within 2 points
Significant Diffs
5 / 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    Porfirio             6    59.0    1    0.00     0.0   64    75           64    +0
2    Wild Fig             2    61.5    2    4.00     0.0   81    81           81    +0
3    Donny's Boy          3    60.5    3    5.25     6.0   67    66           66    -1
4    Future Saint         4    54.5    4    6.00     3.0   55    60           60    +5
5    Mr Belvedere         4    57.5    5    6.10     3.0   61    66           66    +5
6    Guarding The Wall    4    61.5    6    7.60     3.0   69    74           74    +5
7    Arividicio           5    54.5    7    12.10    0.0   55    66           66    +11
8    King Rahul           4    55.0    8    13.35    3.0   64    61           61    -3
9    Cheerful Charlie B   3    60.5    9    15.60    6.0   67    66           66    -1
10   Stand Up             3    59.5    10   29.35    6.0   65    64           64    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Porfirio 64 88 64 +24 0.0 -
2 Wild Fig Line 81 82 81 +1 0.0
3 Donny's Boy 67 68 66 +2 6.0 -
4 Future Saint 55 53 60 -7 3.0 -
5 Mr Belvedere 61 55 66 -11 3.0 -
6 Guarding The Wall 69 67 74 -7 3.0 -
7 Arividicio 55 50 66 -16 0.0 -
8 King Rahul 64 63 61 +2 3.0 -
9 Cheerful Charlie B 67 61 66 -5 6.0 -
10 Stand Up 65 62 64 -2 6.0 -
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