Official NHA Assessment

Race 6: COMPUTAFORM ONLINE FM 84 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Fynbos
Reference for assessment
Exact Matches
0 / 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    French Declaration   4    57.5    1    0.00     3.0   80    68           80    +0
2    Apache Dream         6    52.0    2    0.20     0.0   66    63           63    -3
3    Fynbos               5    57.0    3    1.70     0.0   78    78           78    +0
4    Rosalie Runs         6    55.5    4    2.95     0.0   75    73           73    -2
5    Song                 4    52.0    5    3.35     3.0   68    60           60    -8
99   Official Secret      6    53.0    99   0.00     0.0   -     65           65    +0
99   Follow The Star      5    60.5    99   0.00     0.0   -     80           80    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 French Declaration (AUS) 80 82 80 +2 3.0 -
2 Apache Dream 66 68 63 +5 0.0 -
3 Fynbos Line 78 76 78 -2 0.0
4 Rosalie Runs 75 77 73 +4 0.0 -
5 Song 68 68 60 +8 3.0 -
99 Official Secret - 103 65 +38 0.0 -
99 Follow The Star - 86 80 +6 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