Official NHA Assessment

Race 7: 4RACING.TV MR 88 HANDICAP (Open)

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Line Horse
European Summer
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
7 / 11
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    Paris Rix            3    60.0    1    0.00     7.5   88    88           88    +0
2    Captain Morisco      4    60.0    2    0.10     9.0   88    85           85    -3
3    European Summer      3    54.0    3    0.85     7.5   76    76           76    +0
4    Light That Loose     4    62.0    4    3.60     9.0   92    89           89    -3
5    Al Qaasim            4    54.0    5    3.85     9.0   79    73           73    -6
6    Brass Bell           8    55.0    6    5.85     0.0   78    93           93    +15
7    All About Al         7    60.5    7    5.95     0.0   89    104          104   +15
8    Rock Garden          3    57.0    8    6.20     7.5   82    82           82    +0
9    Vista Nova           4    59.0    9    6.70     9.0   86    83           83    -3
10   Arverni Warrior      3    53.0    10   9.45     7.5   74    74           74    +0
11   Storm Chaser         4    56.0    11   9.70     9.0   78    77           77    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Paris Rix 88 81 88 -7 7.5 -
2 Captain Morisco 88 92 85 +7 9.0 -
3 European Summer Line 76 77 76 +1 7.5
4 Light That Loose 92 86 89 -3 9.0 -
5 Al Qaasim 79 91 73 +18 9.0 -
6 Brass Bell 78 55 93 -38 0.0 -
7 All About Al 89 78 104 -26 0.0 -
8 Rock Garden 82 78 82 -4 7.5 -
9 Vista Nova 86 81 83 -2 9.0 -
10 Arverni Warrior 74 61 74 -13 7.5 -
11 Storm Chaser 78 69 77 -8 9.0 -
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