Official NHA Assessment

Race 5: TAB 4RACING APP FM 66 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Courageous
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
2 / 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    Chroniclesofnania    5    54.5    1    0.00     0.0   55    65           55    +0
2    Cosmic Cliffs        3    56.0    2    0.10     8.5   64    51           54    -10
3    Courageous           4    58.0    3    2.60     6.0   62    62           62    +0
4    Spoil Yourself       2    59.0    4    2.65     0.0   65    76           76    +11
5    Chere For Me         5    59.0    5    4.40     0.0   72    74           74    +2
6    Star Of Elena        2    60.0    6    4.90     0.0   83    76           76    -7
7    Just For U           2    60.5    7    5.00     0.0   68    77           77    +9
8    Suchalife            3    61.5    8    10.50    8.5   70    62           62    -8
99   Canford Queen        3    58.0    99   0.00     8.5   -     55           55    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Chroniclesofnania 55 60 55 +5 0.0 -
2 Cosmic Cliffs 64 67 54 +13 8.5 -
3 Courageous Line 62 62 62 ✓ Match 6.0
4 Spoil Yourself 65 73 76 -3 0.0 -
5 Chere For Me 72 70 74 -4 0.0 -
6 Star Of Elena 83 74 76 -2 0.0 -
7 Just For U 68 68 77 -9 0.0 -
8 Suchalife 70 65 62 +3 8.5 -
99 Canford Queen - 59 55 +4 8.5 -
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