Official NHA Assessment

Race 4: REMEMBERING BARRY DONNELLY MIDDLE STAKES (For All Horses)

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Line Horse
Get Impressed
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
5 / 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    Pinot Grigio         3    57.0    1    0.00     8.5   90    71           71    -19
2    Get Impressed        2    62.0    2    0.30     0.0   103   103          103   +0
3    Tenpenny             3    57.0    3    0.80     8.5   90    75           80    -10
4    Chasingtherainbow    3    55.5    4    1.80     8.5   86    71           76    -10
5    Call To Unite        2    60.0    5    2.80     0.0   98    96           96    -2
6    We Have Touchdown    3    58.5    6    3.80     8.5   92    75           82    -10
7    Vapour Trail         2    55.5    7    4.30     0.0   101   85           91    -10
8    Song To The Moon     3    58.5    8    5.80     8.5   91    74           81    -10
9    Gold Dust            3    54.0    9    6.20     8.5   83    65           73    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pinot Grigio 90 93 71 +22 8.5 -
2 Get Impressed Line 103 103 103 ✓ Match 0.0
3 Tenpenny 90 105 80 +25 8.5 -
4 Chasingtherainbow 86 93 76 +17 8.5 -
5 Call To Unite 98 94 96 -2 0.0 -
6 We Have Touchdown 92 89 82 +7 8.5 -
7 Vapour Trail 101 107 91 +16 0.0 -
8 Song To The Moon 91 84 81 +3 8.5 -
9 Gold Dust 83 74 73 +1 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