Official NHA Assessment

Race 7: GREYVILLE CONVENTION CENTRE MR 66 HANDICAP (Open)

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Line Horse
Efficient Trader
Reference for assessment
Exact Matches
1 / 15
Calculated = Official
Close Matches
5 / 15
Within 2 points
Significant Diffs
6 / 15
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    Leslies Pathtofame   7    57.5    1    0.00     0.0   61    63           61    +0
2    Farland              6    56.0    2    3.00     0.0   58    62           62    +4
3    Efficient Trader     2    57.0    3    5.10     0.0   62    62           62    +0
4    Stevie Gee           5    56.0    4    6.30     0.0   60    60           60    +0
5    Shifting Path        2    60.0    5    7.40     0.0   68    68           68    +0
6    Hippocrates          3    59.5    6    7.50     0.5   65    66           66    +1
7    Senor Garcia         3    60.0    7    8.30     0.5   66    67           67    +1
8    Seattle Beat         4    58.5    8    9.35     0.5   63    64           64    +1
9    Twosidestoastory     3    58.5    9    11.65    0.5   63    64           64    +1
10   Roy's July Magic     4    58.0    10   12.25    0.5   62    63           63    +1
11   Lord Edward          2    56.5    11   17.05    0.0   64    61           61    -3
12   Red Mahogany         3    59.0    12   20.55    0.5   64    65           65    +1
99   Brave Voyager        3    54.0    99   0.00     0.5   -     55           55    +0
99   Impartial            4    52.5    99   0.00     0.5   -     52           52    +0
99   Fever                5    55.0    99   0.00     0.0   -     58           58    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Leslies Pathtofame 61 63 61 +2 0.0 -
2 Farland 58 59 62 -3 0.0 -
3 Efficient Trader Line 62 57 62 -5 0.0
4 Stevie Gee 60 65 60 +5 0.0 -
5 Shifting Path 68 62 68 -6 0.0 -
6 Hippocrates 65 68 66 +2 0.5 -
7 Senor Garcia 66 67 67 ✓ Match 0.5 -
8 Seattle Beat 63 55 64 -9 0.5 -
9 Twosidestoastory 63 62 64 -2 0.5 -
10 Roy's July Magic 62 48 63 -15 0.5 -
11 Lord Edward 64 52 61 -9 0.0 -
12 Red Mahogany 64 48 65 -17 0.5 -
99 Brave Voyager - 51 55 -4 0.5 -
99 Impartial - 50 52 -2 0.5 -
99 Fever - 52 58 -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