Official NHA Assessment

Race 3: GENUINE ENNION SYNDICATE OPEN MAIDEN (For all Maidens)

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Line Horse
Gran Canaria
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
7 / 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    Noble Hero           3    57.5    1    0.00     3.0   72    71           71    -1
2    Gran Canaria         3    61.5    2    3.75     3.0   80    80           80    +0
3    Show Off             3    60.5    3    4.05     3.0   -     78           78    +78
4    Smart Horse          3    60.0    4    8.05     3.0   77    76           76    -1
5    Galactus             3    56.5    5    8.25     3.0   70    69           69    -1
6    Afrique              3    61.0    6    10.25    3.0   79    78           78    -1
7    Monkey Puzzle        4    59.5    7    10.30    1.5   70    78           78    +8
8    Undercover Lover     4    54.0    8    16.30    1.5   47    67           67    +20
9    Sempre Bella         3    60.5    9    17.30    3.0   -     77           77    +77
10   Hawaii Tractor       3    60.5    10   18.30    3.0   -     77           77    +77
11   Manikongo (AUS)      3    60.5    11   20.30    3.0   -     77           77    +77
99   Count William        3    53.5    99   0.00     3.0   -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Noble Hero 72 78 71 +7 3.0 -
2 Gran Canaria Line 80 77 80 -3 3.0
3 Show Off - 77 78 -1 3.0 -
4 Smart Horse 77 64 76 -12 3.0 -
5 Galactus 70 64 69 -5 3.0 -
6 Afrique 79 83 78 +5 3.0 -
7 Monkey Puzzle 70 79 78 +1 1.5 -
8 Undercover Lover 47 45 67 -22 1.5 -
9 Sempre Bella - 56 77 -21 3.0 -
10 Hawaii Tractor - 47 77 -30 3.0 -
11 Manikongo (AUS) - 55 77 -22 3.0 -
99 Count William - 71 63 +8 3.0 -
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