Official NHA Assessment

Race 5: BREEDERS GUINEAS (Listed) (For 3 year-old Fillies)

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Line Horse
Royal City Girl
Reference for assessment
Exact Matches
1 / 7
Calculated = Official
Close Matches
2 / 7
Within 2 points
Significant Diffs
3 / 7
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    Anotherdanceforme    2    60.0    1    0.00     0.0   110   93           93    -17
2    Augusta Rosso        2    60.0    2    4.25     0.0   86    94           94    +8
3    Royal City Girl      2    60.0    3    6.00     0.0   93    93           93    +0
4    Match That           2    60.0    4    6.50     0.0   88    93           93    +5
5    Silvan Mistress      2    60.0    5    10.75    0.0   85    93           93    +8
6    General Pardon       2    60.0    6    14.00    0.0   72    93           93    +21
99   East Coast Girl      2    60.0    99   0.00     0.0   -     93           93    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Anotherdanceforme 110 110 93 +17 0.0 -
2 Augusta Rosso 86 86 94 -8 0.0 -
3 Royal City Girl Line 93 93 93 ✓ Match 0.0
4 Match That 88 88 93 -5 0.0 -
5 Silvan Mistress 85 91 93 -2 0.0 -
6 General Pardon 72 72 93 -21 0.0 -
99 East Coast Girl - 89 93 -4 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