Official NHA Assessment

Race 2: BETWAY WEDGEWOOD HANDICAP (For Fillies and Mares)

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Line Horse
Woman's World
Reference for assessment
Exact Matches
0 / 6
Calculated = Official
Close Matches
2 / 6
Within 2 points
Significant Diffs
3 / 6
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    Official Secret      6    60.0    1    0.00     0.0   101   116          101   +0
2    Woman's World        4    55.5    2    7.50     6.0   95    95           95    +0
3    Medlers Tart         2    57.5    3    8.50     0.0   96    111          111   +15
4    Gideon's Daughter    4    52.5    4    17.25    6.0   89    89           89    +0
99   Lady Writer          3    52.0    99   0.00     9.5   -     81           81    +0
99   Cicadidae            4    52.0    99   0.00     6.0   -     88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Official Secret 101 103 101 +2 0.0 -
2 Woman's World Line 95 94 95 -1 6.0
3 Medlers Tart 96 92 111 -19 0.0 -
4 Gideon's Daughter 89 94 89 +5 6.0 -
99 Lady Writer - 69 81 -12 9.5 -
99 Cicadidae - 81 88 -7 6.0 -
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