Official NHA Assessment

Race 7: BETWAY SECRETARIAT STAKES (For 3 year-olds. 1st Leg HV Winter Series (Non-Black Type))

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Line Horse
Zanthar
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
6 / 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    Choisaanada          2    58.5    1    0.00     0.0   97    97           97    +0
2    Immediate Edge       3    60.5    2    1.00     1.5   101   102          102   +1
3    Zanthar              3    54.0    3    1.30     1.5   88    88           88    +0
4    Dance King           2    54.5    4    2.10     0.0   89    92           92    +3
5    Potberrie            2    60.5    5    2.40     0.0   101   103          103   +2
6    Legendary            2    52.0    6    2.90     0.0   80    86           86    +6
7    Mountain High        3    54.0    7    3.20     1.5   87    87           87    +0
8    Paul Revere          3    52.0    8    5.70     1.5   81    81           81    +0
9    Key News             2    55.0    9    9.70     0.0   90    90           90    +0
10   One More Star        3    53.0    10   11.20    1.5   86    83           83    -3
11   Royal Force          3    62.0    11   13.70    1.5   104   101          101   -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Choisaanada 97 121 97 +24 0.0 -
2 Immediate Edge 101 108 102 +6 1.5 -
3 Zanthar Line 88 80 88 -8 1.5
4 Dance King 89 89 92 -3 0.0 -
5 Potberrie 101 105 103 +2 0.0 -
6 Legendary 80 69 86 -17 0.0 -
7 Mountain High 87 82 87 -5 1.5 -
8 Paul Revere 81 92 81 +11 1.5 -
9 Key News 90 81 90 -9 0.0 -
10 One More Star 86 87 83 +4 1.5 -
11 Royal Force 104 104 101 +3 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