Official NHA Assessment

Race 5: BETWAY PINNACLE STAKES (For all horses)

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Line Horse
Frances Ethel
Reference for assessment
Exact Matches
1 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
6 / 13
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    Beating Wings        4    54.0    1    0.00     5.0   114   116          116   +2
2    Frances Ethel        3    56.0    2    0.75     8.0   118   118          118   +0
3    Atticus Finch        5    56.0    3    2.00     0.0   112   133          133   +21
4    Silver Sanctuary     4    56.0    4    2.70     5.0   116   122          122   +6
5    Safe Passage         3    54.0    5    2.80     8.0   109   112          112   +3
6    Mercantour           5    52.0    6    3.00     0.0   104   124          124   +20
7    Johnny Hero          5    54.0    7    4.25     0.0   108   127          127   +19
8    Puerto Manzano (ARG  4    59.5    8    7.50     5.0   123   127          127   +4
9    River Romeo          2    50.0    9    7.70     0.0   101   118          118   +17
10   Litigation           3    58.0    10   10.50    8.0   115   118          118   +3
11   Future Pearl         2    60.0    11   13.50    0.0   118   138          138   +20
12   Winchester Mansion   3    62.0    12   19.00    8.0   124   126          126   +2
99   Aragosta             3    53.5    99   0.00     8.0   -     109          109   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Beating Wings 114 112 116 -4 5.0 -
2 Frances Ethel Line 118 117 118 -1 8.0
3 Atticus Finch 112 127 133 -6 0.0 -
4 Silver Sanctuary 116 117 122 -5 5.0 -
5 Safe Passage 109 108 112 -4 8.0 -
6 Mercantour 104 113 124 -11 0.0 -
7 Johnny Hero 108 87 127 -40 0.0 -
8 Puerto Manzano (ARG) 123 119 127 -8 5.0 -
9 River Romeo 101 94 118 -24 0.0 -
10 Litigation 115 113 118 -5 8.0 -
11 Future Pearl 118 114 138 -24 0.0 -
12 Winchester Mansion 124 129 126 +3 8.0 -
99 Aragosta - 109 109 ✓ Match 8.0 -
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