Official NHA Assessment

Race 7: 4RACING.TV FM 80 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Lady Writer
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
8 / 9
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    Catch Your Breath    4    56.0    1    0.00     5.0   73    77           73    +0
2    Lady Writer          3    55.5    2    3.50     8.0   71    71           71    +0
3    Beau Kala            2    56.5    3    4.75     0.0   73    88           88    +15
4    Strange Magic        5    61.5    4    6.75     0.0   83    98           98    +15
5    Duellona             2    56.0    5    6.85     0.0   73    87           87    +14
6    Lady Luck            4    53.5    6    8.10     5.0   68    72           72    +4
7    Chere For Me         5    62.5    7    13.60    0.0   85    100          100   +15
8    United Express       2    59.5    8    20.85    0.0   79    94           94    +15
99   Amazing Colours      4    60.0    99   0.00     5.0   -     85           85    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Catch Your Breath 73 94 73 +21 5.0 -
2 Lady Writer Line 71 69 71 -2 8.0
3 Beau Kala 73 73 88 -15 0.0 -
4 Strange Magic 83 69 98 -29 0.0 -
5 Duellona 73 58 87 -29 0.0 -
6 Lady Luck 68 66 72 -6 5.0 -
7 Chere For Me 85 70 100 -30 0.0 -
8 United Express 79 74 94 -20 0.0 -
99 Amazing Colours - 59 85 -26 5.0 -
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