Official NHA Assessment

Race 3: MERIT RATED 75 HANDICAP (Open)

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Line Horse
Tradition
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
1 / 7
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    Red Top              5    55.0    1    0.00     0.0   66    69           66    +0
2    Tradition            4    59.5    2    1.50     2.0   74    74           74    +0
3    Forgotten Time       3    58.0    3    1.55     1.5   71    72           72    +1
4    Battle Of Seattle    2    59.5    4    5.05     0.5   75    77           77    +2
5    Testify              2    58.0    5    5.30     0.5   72    74           74    +2
6    Al Mashriq           4    59.5    6    6.55     2.0   74    74           74    +0
7    Shesalegend          4    60.0    7    13.55    2.0   75    75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Top 66 70 66 +4 0.0 -
2 Tradition Line 74 77 74 +3 2.0
3 Forgotten Time 71 76 72 +4 1.5 -
4 Battle Of Seattle 75 59 77 -18 0.5 -
5 Testify 72 71 74 -3 0.5 -
6 Al Mashriq 74 71 74 -3 2.0 -
7 Shesalegend 75 74 75 -1 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