Official NHA Assessment

Race 4: CELEBRATING CENTURION MEMBER TORBEN HERBOLD'S BIRTHDAY CLASS 5 (Open. Benchmark at 60.0kg = 66)

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Line Horse
Mela Strength
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
2 / 9
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    Ischyro              3    54.0    1    0.00     2.0   54    51           51    -3
2    Mela Strength        3    59.0    2    2.25     2.0   64    64           64    +0
3    Tres Chic            4    59.0    3    2.45     1.0   64    65           65    +1
4    Fly To Rio           4    55.5    4    5.20     1.0   57    56           56    -1
5    Mont Loisir          4    61.5    5    5.30     1.0   69    68           68    -1
6    Gold Index           3    57.0    6    5.80     2.0   60    57           57    -3
7    Avignon              4    51.5    7    5.85     1.0   54    48           48    -6
8    Ozark                4    60.5    8    6.85     1.0   67    66           66    -1
9    Veronique            6    56.5    9    7.25     0.0   59    60           60    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ischyro 54 54 51 +3 2.0 -
2 Mela Strength Line 64 63 64 -1 2.0
3 Tres Chic 64 52 65 -13 1.0 -
4 Fly To Rio 57 54 56 -2 1.0 -
5 Mont Loisir 69 68 68 ✓ Match 1.0 -
6 Gold Index 60 53 57 -4 2.0 -
7 Avignon 54 61 48 +13 1.0 -
8 Ozark 67 61 66 -5 1.0 -
9 Veronique 59 56 60 -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