Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION FM 72 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Raising Quinn
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
2 / 10
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    Mary Lamb            3    60.5    1    0.00     2.0   73    70           73    +0
2    Midnight Crystal     2    54.5    2    0.25     0.0   68    62           62    -6
3    Raising Quinn        3    60.5    3    1.50     2.0   73    73           73    +0
4    Dream Scape          5    60.0    4    3.50     0.0   72    74           74    +2
5    Concerto             4    60.0    5    4.00     1.0   77    72           72    -5
6    Angelsea             3    57.5    6    6.25     2.0   67    64           64    -3
7    Colorama             6    54.5    7    8.00     0.0   61    62           62    +1
8    Princess Azariah     2    54.0    8    9.25     0.0   65    61           61    -4
9    Idabelle             2    60.0    9    10.50    0.0   72    73           73    +1
10   More Than A Dream    2    52.5    10   13.00    0.0   65    58           58    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mary Lamb 73 76 73 +3 2.0 -
2 Midnight Crystal 68 66 62 +4 0.0 -
3 Raising Quinn Line 73 69 73 -4 2.0
4 Dream Scape 72 56 74 -18 0.0 -
5 Concerto 77 73 72 +1 1.0 -
6 Angelsea 67 64 64 ✓ Match 2.0 -
7 Colorama 61 54 62 -8 0.0 -
8 Princess Azariah 65 62 61 +1 0.0 -
9 Idabelle 72 70 73 -3 0.0 -
10 More Than A Dream 65 61 58 +3 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