Official NHA Assessment

Race 6: REMAX ADDRESS PINNACLE STAKES (For All Horses)

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Line Horse
Positive Attitude
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
5 / 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    Natyam               5    57.0    1    0.00     0.0   97    98           98    +1
2    Cape Eagle           7    60.0    2    2.70     0.0   110   108          108   -2
3    Positive Attitude    6    53.5    3    5.20     0.0   91    91           91    +0
4    Queue Wing           7    54.0    4    5.40     0.0   89    92           92    +3
5    Kyomai               4    51.5    5    8.80     5.0   81    77           77    -4
6    Grandi Orecchie      2    47.5    6    9.00     0.0   89    79           79    -10
7    Policy Of Truth      2    51.5    7    10.60    0.0   74    87           87    +13
8    Quantifier           2    51.5    8    15.10    0.0   78    87           87    +9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Natyam 97 102 98 +4 0.0 -
2 Cape Eagle 110 106 108 -2 0.0 -
3 Positive Attitude Line 91 90 91 -1 0.0
4 Queue Wing 89 81 92 -11 0.0 -
5 Kyomai 81 70 77 -7 5.0 -
6 Grandi Orecchie 89 85 79 +6 0.0 -
7 Policy Of Truth 74 71 87 -16 0.0 -
8 Quantifier 78 74 87 -13 0.0 -
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