Official NHA Assessment

Race 6: RACE COAST INCENTIVES POWERED BY Hollywoodbets CLASS 5 (Open. Benchmark at 60.0kg = 70)

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Line Horse
Ozark
Reference for assessment
Exact Matches
2 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
1 / 8
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    Winter Pearl         6    59.0    1    0.00     0.0   68    68           68    +0
2    Jet A One            2    59.0    2    0.40     0.0   68    73           73    +5
3    Ozark                4    55.5    3    1.90     1.5   61    61           61    +0
4    Shifting Path        2    56.5    4    2.10     0.0   63    66           66    +3
5    Firingonallengines   4    60.0    5    2.60     1.5   70    69           69    -1
6    Wave Of Glory        3    56.5    6    5.35     2.5   71    58           61    -10
7    Gravity              4    56.5    7    6.60     1.5   63    60           60    -3
8    Prince Of Tibet      4    56.5    8    7.10     1.5   63    60           60    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Winter Pearl 68 71 68 +3 0.0 -
2 Jet A One 68 69 73 -4 0.0 -
3 Ozark Line 61 61 61 ✓ Match 1.5
4 Shifting Path 63 62 66 -4 0.0 -
5 Firingonallengines 70 69 69 ✓ Match 1.5 -
6 Wave Of Glory 71 71 61 +10 2.5 -
7 Gravity 63 63 60 +3 1.5 -
8 Prince Of Tibet 63 63 60 +3 1.5 -
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