Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION FM 76 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Raising Quinn
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
4 / 12
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    Aerial View          3    60.5    1    0.00     2.5   77    73           77    +0
2    Gideon's Daughter    4    60.5    2    2.00     1.0   82    81           81    -1
3    Raising Quinn        3    58.5    3    2.50     2.5   73    73           73    +0
4    Gold For Africa      3    56.5    4    2.60     2.5   69    69           69    +0
5    Opera Swing          4    58.5    5    4.85     1.0   76    72           72    -4
6    Josi Mo              2    55.0    6    5.85     0.0   71    67           67    -4
7    St Cloud             3    59.0    7    5.90     2.5   74    70           70    -4
8    Princess Azariah     2    52.0    8    9.15     0.0   65    61           61    -4
9    Saturn Moon          2    54.0    9    10.65    0.0   64    65           65    +1
10   Rosa Rossa           2    52.0    10   11.65    0.0   65    61           61    -4
11   Midnight Crystal     2    53.0    11   12.40    0.0   70    63           63    -7
99   Sky Velocity         5    52.0    99   0.00     0.0   -     61           61    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Aerial View 77 82 77 +5 2.5 -
2 Gideon's Daughter 82 94 81 +13 1.0 -
3 Raising Quinn Line 73 69 73 -4 2.5
4 Gold For Africa 69 68 69 -1 2.5 -
5 Opera Swing 76 82 72 +10 1.0 -
6 Josi Mo 71 56 67 -11 0.0 -
7 St Cloud 74 73 70 +3 2.5 -
8 Princess Azariah 65 62 61 +1 0.0 -
9 Saturn Moon 64 57 65 -8 0.0 -
10 Rosa Rossa 65 61 61 ✓ Match 0.0 -
11 Midnight Crystal 70 66 63 +3 0.0 -
99 Sky Velocity - 57 61 -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