Official NHA Assessment

Race 5: RACING TODAY FM 86 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Dimako's Jet
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
4 / 8
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    Key Worker           3    52.5    1    0.00     9.0   81    59           81    +0
2    Future Date          2    58.5    2    1.75     0.0   85    94           94    +9
3    Dimako's Jet         4    59.0    3    2.55     5.0   84    84           84    +0
4    Azaleas For All      4    58.0    4    2.75     5.0   82    81           81    -1
5    Avoontoast           5    60.0    5    4.00     0.0   86    94           94    +8
6    Mount Etna           4    55.5    6    4.10     5.0   77    75           75    -2
7    Free In Seattle      3    60.0    7    6.80     9.0   88    74           78    -10
8    Lava Lamp            3    58.0    8    8.00     9.0   84    70           74    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Key Worker 81 84 81 +3 9.0 -
2 Future Date 85 93 94 -1 0.0 -
3 Dimako's Jet Line 84 93 84 +9 5.0
4 Azaleas For All 82 82 81 +1 5.0 -
5 Avoontoast 86 86 94 -8 0.0 -
6 Mount Etna 77 79 75 +4 5.0 -
7 Free In Seattle 88 89 78 +11 9.0 -
8 Lava Lamp 84 84 74 +10 9.0 -
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