Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION CLASSIFIED STAKES (For horses with nett rating of 75 and below)

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Line Horse
Empress Game
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
7 / 13
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    Raining Rubies       5    54.0    1    0.00     0.0   61    67           67    +6
2    Open Highway         4    59.5    2    1.00     4.0   76    70           70    -6
3    Empress Game         3    54.0    3    2.50     3.5   60    60           60    +0
4    Samoa                10   54.0    4    3.25     0.0   61    67           67    +6
5    Mix The Magic        3    54.0    5    4.75     3.5   60    60           60    +0
6    Lady Elliot          2    56.0    6    5.25     2.5   72    66           66    -6
7    Dark Tide            5    53.5    7    8.00     0.0   59    66           66    +7
8    Thing Called Love    4    58.0    8    9.50     4.0   75    67           67    -8
9    Midnight Fusion      4    60.0    9    10.75    4.0   79    71           71    -8
10   Falcon Strike        2    59.5    10   13.00    2.5   76    73           73    -3
11   Love Tap             3    56.5    11   18.25    3.5   75    65           65    -10
99   Risky Business       3    52.0    99   0.00     3.5   -     56           56    +0
99   Vava Vegas           5    53.5    99   0.00     0.0   -     66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Raining Rubies 61 75 67 +8 0.0 -
2 Open Highway 76 94 70 +24 4.0 -
3 Empress Game Line 60 61 60 +1 3.5
4 Samoa 61 64 67 -3 0.0 -
5 Mix The Magic 60 52 60 -8 3.5 -
6 Lady Elliot 72 71 66 +5 2.5 -
7 Dark Tide 59 53 66 -13 0.0 -
8 Thing Called Love 75 69 67 +2 4.0 -
9 Midnight Fusion 79 67 71 -4 4.0 -
10 Falcon Strike 76 60 73 -13 2.5 -
11 Love Tap 75 69 65 +4 3.5 -
99 Risky Business - 75 56 +19 3.5 -
99 Vava Vegas - 58 66 -8 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