Official NHA Assessment

Race 3: TAB TELEBET 0861 000 822 MAIDEN PLATE (For all Maidens)

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Line Horse
Earl of Cardigan
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
11 / 12
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    Castle Of Glass      3    59.0    1    0.00     4.0   70    69           69    -1
2    Mcebisi              4    60.0    2    2.00     2.5   63    77           77    +14
3    Grand Destiny        3    59.0    3    3.50     4.0   58    70           70    +12
4    Blonde Act           3    59.0    4    3.75     4.0   75    70           70    -5
5    Never To Clever      4    60.0    5    4.25     2.5   -     75           75    +75
6    Earl of Cardigan     3    59.0    6    4.75     4.0   69    69           69    +0
7    Copernicus           3    59.0    7    6.75     4.0   -     69           69    +69
8    Mactavish            3    59.0    8    9.25     4.0   -     69           69    +69
9    Gimme Royalty        3    59.0    9    12.25    4.0   68    69           69    +1
10   Dark Horse           3    59.0    10   14.50    4.0   -     69           69    +69
11   Venerable            3    59.0    11   25.50    4.0   -     69           69    +69
99   Going Global         3    59.0    99   0.00     4.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Castle Of Glass 70 79 69 +10 4.0 -
2 Mcebisi 63 70 77 -7 2.5 -
3 Grand Destiny 58 55 70 -15 4.0 -
4 Blonde Act 75 96 70 +26 4.0 -
5 Never To Clever - 64 75 -11 2.5 -
6 Earl of Cardigan Line 69 50 69 -19 4.0
7 Copernicus - 67 69 -2 4.0 -
8 Mactavish - 58 69 -11 4.0 -
9 Gimme Royalty 68 49 69 -20 4.0 -
10 Dark Horse - 53 69 -16 4.0 -
11 Venerable - 62 69 -7 4.0 -
99 Going Global - 50 69 -19 4.0 -
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