Official NHA Assessment

Race 4: IN THE BOX SEAT PODCAST MR 70 HANDICAP (Open)

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Line Horse
Lucretius
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
5 / 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    Tin Cup              3    58.5    1    0.00     2.0   67    59           67    +0
2    Eventidor            6    60.0    2    1.40     0.0   70    71           71    +1
3    National Dream       6    60.0    3    2.10     0.0   70    71           71    +1
4    Lucretius            6    57.5    4    2.60     0.0   65    65           65    +0
5    Tom's Act            3    55.0    5    4.00     2.0   60    54           54    -6
6    Ibiza Night          2    57.5    6    4.50     0.0   65    62           62    -3
7    L'Ultimo             2    54.0    7    4.90     0.0   61    54           54    -7
8    San Marzano          3    52.0    8    99.99    2.0   53    46           46    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tin Cup 67 74 67 +7 2.0 -
2 Eventidor 70 89 71 +18 0.0 -
3 National Dream 70 68 71 -3 0.0 -
4 Lucretius Line 65 64 65 -1 0.0
5 Tom's Act 60 64 54 +10 2.0 -
6 Ibiza Night 65 63 62 +1 0.0 -
7 L'Ultimo 61 61 54 +7 0.0 -
8 San Marzano 53 53 46 +7 2.0 -
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