Official NHA Assessment

Race 7: #THISISRACING MR 96 HANDICAP (Open)

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Line Horse
Herodotus
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
6 / 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    Legitimate           4    57.0    1    0.00     1.0   90    86           90    +0
2    Greenlighttoheaven   4    57.5    2    1.25     1.0   91    91           91    +0
3    Herodotus            6    60.0    3    2.50     0.0   96    96           96    +0
4    Eva Eileen           5    59.5    4    3.25     0.0   95    95           95    +0
5    Jean's Man           5    55.5    5    3.50     0.0   87    86           86    -1
6    Williams Land        5    54.0    6    8.75     0.0   87    82           82    -5
7    Cruzador             6    53.5    7    11.75    0.0   88    81           81    -7
8    No Laying Up         4    55.5    8    11.85    1.0   87    83           83    -4
9    Light Without        4    52.0    9    13.10    1.0   59    76           76    +17
10   Alpha Pappa          5    53.0    10   13.60    0.0   81    80           80    -1
11   Foreign Source       5    56.5    11   13.85    0.0   89    87           87    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Legitimate 90 89 90 -1 1.0 -
2 Greenlighttoheaven 91 83 91 -8 1.0 -
3 Herodotus Line 96 102 96 +6 0.0
4 Eva Eileen 95 95 95 ✓ Match 0.0 -
5 Jean's Man 87 92 86 +6 0.0 -
6 Williams Land 87 85 82 +3 0.0 -
7 Cruzador 88 61 81 -20 0.0 -
8 No Laying Up 87 86 83 +3 1.0 -
9 Light Without 59 71 76 -5 1.0 -
10 Alpha Pappa 81 73 80 -7 0.0 -
11 Foreign Source 89 81 87 -6 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