Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
October Fair
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
3 / 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    Primrose Path        2    57.0    1    0.00     0.0   75    68           75    +0
2    A Place In The Sun   5    57.0    2    0.50     0.0   72    73           73    +1
3    October Fair         2    60.0    3    0.75     0.0   78    78           78    +0
4    Can't Catch Me       5    52.0    4    1.25     0.0   54    62           62    +8
5    Priceless            3    58.5    5    1.75     3.0   75    68           68    -7
6    Ariel's Jet          3    59.0    6    3.25     3.0   82    68           72    -10
7    Feeling Groovy       2    57.0    7    3.75     0.0   72    69           69    -3
8    Kakiebos             3    60.0    8    5.50     3.0   84    68           74    -10
9    Flamboyant Flyer     4    53.5    9    7.75     1.5   79    58           69    -10
10   Off Limits           3    60.0    10   25.75    3.0   84    68           74    -10
11   Leonessa             2    55.0    11   27.75    0.0   74    64           64    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Primrose Path 75 77 75 +2 0.0 -
2 A Place In The Sun 72 74 73 +1 0.0 -
3 October Fair Line 78 74 78 -4 0.0
4 Can't Catch Me 54 58 62 -4 0.0 -
5 Priceless 75 72 68 +4 3.0 -
6 Ariel's Jet 82 69 72 -3 3.0 -
7 Feeling Groovy 72 60 69 -9 0.0 -
8 Kakiebos 84 75 74 +1 3.0 -
9 Flamboyant Flyer 79 77 69 +8 1.5 -
10 Off Limits 84 73 74 -1 3.0 -
11 Leonessa 74 56 64 -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