Official NHA Assessment

Race 9: NEXT FAIRVIEW RACEMEETING FRIDAY 13 JUNE PINNACLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Honorable Member
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
3 / 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    Red Sash             5    61.0    1    0.00     0.0   97    98           98    +1
2    Luna Halo            4    62.0    2    0.50     0.5   107   104          104   -3
3    Honorable Member     3    58.5    3    1.75     1.5   93    93           93    +0
4    Lady Silvano         5    62.0    4    2.25     0.0   105   103          103   -2
5    Can't Say No         3    56.5    5    3.50     1.5   85    87           87    +2
6    Volare E Mambo       4    51.0    6    4.75     0.5   74    77           77    +3
7    Sun Spectacular      4    55.5    7    6.00     0.5   78    86           86    +8
8    Grandiosa            2    55.0    8    6.05     0.0   79    86           86    +7
9    Grandi Orecchie      2    58.0    9    8.30     0.0   89    92           92    +3
10   Essential            4    59.5    10   9.30     0.5   91    94           94    +3
11   As Fate Has It       4    58.0    11   27.05    0.5   88    91           91    +3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Sash 97 101 98 +3 0.0 -
2 Luna Halo 107 106 104 +2 0.5 -
3 Honorable Member Line 93 88 93 -5 1.5
4 Lady Silvano 105 104 103 +1 0.0 -
5 Can't Say No 85 83 87 -4 1.5 -
6 Volare E Mambo 74 76 77 -1 0.5 -
7 Sun Spectacular 78 69 86 -17 0.5 -
8 Grandiosa 79 80 86 -6 0.0 -
9 Grandi Orecchie 89 85 92 -7 0.0 -
10 Essential 91 91 94 -3 0.5 -
11 As Fate Has It 88 88 91 -3 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