Official NHA Assessment

Race 6: RACING240 MR 68 HANDICAP (Open)

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Line Horse
Porfirio
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
8 / 12
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Das Gute             4    61.5    1    0.00     4.5   71    60           71    +0
2    Commanding           3    61.0    2    0.25     7.0   71    54           61    -10
3    Porfirio             6    58.0    3    3.00     0.0   64    64           64    +0
4    Brooksider           3    57.0    4    3.25     7.0   63    48           53    -10
5    Pibe De Oro          3    57.0    5    3.35     7.0   68    47           58    -10
6    Thunder Master       6    61.0    6    4.85     0.0   70    68           68    -2
7    Mr Belvedere         4    58.0    7    5.35     4.5   64    53           54    -10
8    Four Jacks           4    60.0    8    7.85     4.5   68    57           58    -10
9    El Capitan           2    61.5    9    7.95     0.0   72    69           69    -3
10   Mighty Mac           5    55.5    10   8.45     0.0   59    57           57    -2
11   Always Shining       3    61.0    11   11.70    7.0   71    54           61    -10
12   Free World           3    54.5    12   18.45    7.0   65    41           55    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Das Gute 71 77 71 +6 4.5 -
2 Commanding 71 70 61 +9 7.0 -
3 Porfirio Line 64 88 64 +24 0.0
4 Brooksider 63 55 53 +2 7.0 -
5 Pibe De Oro 68 66 58 +8 7.0 -
6 Thunder Master 70 80 68 +12 0.0 -
7 Mr Belvedere 64 55 54 +1 4.5 -
8 Four Jacks 68 65 58 +7 4.5 -
9 El Capitan 72 70 69 +1 0.0 -
10 Mighty Mac 59 52 57 -5 0.0 -
11 Always Shining 71 76 61 +15 7.0 -
12 Free World 65 62 55 +7 7.0 -
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