Official NHA Assessment

Race 4: PLAY SOCCER 6, 10 AND 13 MR 66 HANDICAP (Open)

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Line Horse
Arividicio
Reference for assessment
Exact Matches
2 / 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    El Romiachi          8    62.0    1    0.00     0.0   70    66           70    +0
2    Union Rose           3    59.0    2    0.25     7.0   78    46           68    -10
3    Arividicio           5    56.0    3    1.25     0.0   58    58           58    +0
4    James Fitzjames      2    58.5    4    1.50     0.0   77    62           67    -10
5    Pisces               2    57.5    5    1.75     0.0   61    60           60    -1
6    Path Of Choice       5    62.0    6    3.00     0.0   70    68           68    -2
7    Caramel Fudge        3    53.5    7    3.75     7.0   53    36           43    -10
8    Maldano              3    58.0    8    11.00    7.0   62    44           52    -10
9    Bryden Bay           2    60.5    9    15.25    0.0   67    63           63    -4
99   King's Sailor        3    58.5    99   0.00     7.0   -     45           45    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 El Romiachi 70 77 70 +7 0.0 -
2 Union Rose 78 69 68 +1 7.0 -
3 Arividicio Line 58 50 58 -8 0.0
4 James Fitzjames 77 66 67 -1 0.0 -
5 Pisces 61 56 60 -4 0.0 -
6 Path Of Choice 70 68 68 ✓ Match 0.0 -
7 Caramel Fudge 53 53 43 +10 7.0 -
8 Maldano 62 60 52 +8 7.0 -
9 Bryden Bay 67 63 63 ✓ Match 0.0 -
99 King's Sailor - 67 45 +22 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