Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 MR 84 HANDICAP (Open)

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Line Horse
Trident King
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 10
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    Sequoia              6    55.0    1    0.00     0.0   74    77           74    +0
2    Meridius             2    62.0    2    1.80     0.0   94    94           94    +0
3    Trident King         3    60.5    3    2.25     3.0   85    85           85    +0
4    Admiralty Arch       3    56.5    4    10.00    3.0   77    74           74    -3
5    Letsdoit             3    54.5    5    11.00    3.0   78    70           70    -8
6    Robert Burns         3    55.5    6    15.00    3.0   75    72           72    -3
7    She's A Rainbow      3    58.0    7    16.00    3.0   80    77           77    -3
8    Just Eminent         3    52.0    8    18.00    3.0   71    65           65    -6
9    Global Impact        2    58.0    9    24.00    0.0   86    83           83    -3
10   Kotinos              3    58.0    10   99.99    3.0   80    77           77    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Sequoia 74 99 74 +25 0.0 -
2 Meridius 94 115 94 +21 0.0 -
3 Trident King Line 85 65 85 -20 3.0
4 Admiralty Arch 77 77 74 +3 3.0 -
5 Letsdoit 78 72 70 +2 3.0 -
6 Robert Burns 75 71 72 -1 3.0 -
7 She's A Rainbow 80 85 77 +8 3.0 -
8 Just Eminent 71 60 65 -5 3.0 -
9 Global Impact 86 74 83 -9 0.0 -
10 Kotinos 80 59 77 -18 3.0 -
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