Official NHA Assessment

Race 3: STRIKER & JJ THE JET PLANE TAKE ON HONG KONG IN 2010 MAIDEN PLATE (For all Maidens)

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Line Horse
Silver Longsword
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
8 / 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    Xenophon             3    60.0    1    0.00     1.5   73    69           69    -4
2    Power Of Pearls      2    55.0    2    4.60     0.5   -     61           61    +61
3    Silver Longsword     3    60.0    3    5.30     1.5   69    69           69    +0
4    Gavius Maximus       2    57.0    4    6.40     0.5   -     65           65    +65
5    Parabellum           3    60.0    5    7.40     1.5   65    69           69    +4
6    Captain Frank        2    57.0    6    12.70    0.5   -     65           65    +65
7    Underdog             3    60.0    7    14.00    1.5   -     69           69    +69
8    Secret Warrior       2    57.0    8    14.50    0.5   -     65           65    +65
9    Brody                2    55.5    9    22.25    0.5   -     62           62    +62
10   Gunshot              3    60.0    10   99.99    1.5   -     69           69    +69
99   Green Cherry         3    60.0    99   0.00     1.5   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Xenophon 73 83 69 +14 1.5 -
2 Power Of Pearls - 73 61 +12 0.5 -
3 Silver Longsword Line 69 74 69 +5 1.5
4 Gavius Maximus - 79 65 +14 0.5 -
5 Parabellum 65 61 69 -8 1.5 -
6 Captain Frank - 72 65 +7 0.5 -
7 Underdog - 58 69 -11 1.5 -
8 Secret Warrior - 70 65 +5 0.5 -
9 Brody - 60 62 -2 0.5 -
10 Gunshot - - 69 -69 1.5 -
99 Green Cherry - - 69 -69 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