Official NHA Assessment

Race 7: RACING TODAY MR 93 HANDICAP (Open)

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Line Horse
Imperial Master
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
6 / 11
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    Hawkbill             4    58.0    1    0.00     3.5   90    86           90    +0
2    Bacchus              3    55.5    2    0.20     7.0   98    74           88    -10
3    Wild Intent          3    53.5    3    0.50     7.0   94    75           84    -10
4    Imperial Master      4    59.5    4    1.60     3.5   92    92           92    +0
5    Birthright           4    55.5    5    2.00     3.5   85    84           84    -1
6    Hazlo Grande         3    52.0    6    2.40     7.0   77    69           69    -8
7    Majestic Palace      3    56.0    7    2.50     7.0   86    77           77    -9
8    Scarlett Pimpernel   2    58.5    8    4.40     0.0   94    94           94    +0
9    Supreme Dance        4    55.5    9    4.80     3.5   84    81           81    -3
10   Two Miles West       3    56.0    10   5.50     7.0   86    75           76    -10
11   Prime Example        2    60.0    11   6.50     0.0   93    97           97    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Hawkbill 90 100 90 +10 3.5 -
2 Bacchus 98 101 88 +13 7.0 -
3 Wild Intent 94 110 84 +26 7.0 -
4 Imperial Master Line 92 90 92 -2 3.5
5 Birthright 85 95 84 +11 3.5 -
6 Hazlo Grande 77 74 69 +5 7.0 -
7 Majestic Palace 86 90 77 +13 7.0 -
8 Scarlett Pimpernel 94 90 94 -4 0.0 -
9 Supreme Dance 84 76 81 -5 3.5 -
10 Two Miles West 86 93 76 +17 7.0 -
11 Prime Example 93 93 97 -4 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