Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION GRADUATION PLATE (For 1 & 2 Time Winners & Maidens)

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Line Horse
Castletown
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
7 / 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    Castletown           3    59.5    1    0.00     2.0   99    99           99    +0
2    Team Gold            3    60.0    2    0.70     2.0   98    105          105   +7
3    Fast Love            4    56.5    3    1.00     0.5   86    100          100   +14
4    Flashy Apache        6    60.0    4    2.50     0.0   84    106          106   +22
5    Silver Tycoon        7    59.0    5    4.30     0.0   90    102          102   +12
6    Southern Blaze       3    56.0    6    5.90     2.0   75    92           92    +17
7    Twice The Trip       3    56.0    7    8.40     2.0   85    92           92    +7
8    Simply Complicated   4    52.5    8    21.90    0.5   65    88           88    +23
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Castletown Line 99 90 99 -9 2.0
2 Team Gold 98 97 105 -8 2.0 -
3 Fast Love 86 90 100 -10 0.5 -
4 Flashy Apache 84 78 106 -28 0.0 -
5 Silver Tycoon 90 74 102 -28 0.0 -
6 Southern Blaze 75 89 92 -3 2.0 -
7 Twice The Trip 85 73 92 -19 2.0 -
8 Simply Complicated 65 55 88 -33 0.5 -
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