Official NHA Assessment

Race 6: RACING240 FOR RACING. FM 74 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Ariel's Jet
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
7 / 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    Olivia's Way         3    57.5    1    0.00     10.0  89    67           89    +0
2    Linganomore          3    55.5    2    0.80     10.0  65    67           67    +2
3    Ariel's Jet          3    60.0    3    1.25     10.0  76    76           76    +0
4    Dimako's Jet         4    60.0    4    3.50     7.0   76    79           79    +3
5    Teo Torriatte        4    58.5    5    5.50     7.0   73    75           75    +2
6    Pretty In Pearls     3    59.0    6    6.00     10.0  72    70           70    -2
7    Azucar               3    52.0    7    9.25     10.0  56    56           56    +0
99   Summerland           5    52.0    99   0.00     0.0   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Olivia's Way 89 114 89 +25 10.0 -
2 Linganomore 65 73 67 +6 10.0 -
3 Ariel's Jet Line 76 69 76 -7 10.0
4 Dimako's Jet 76 93 79 +14 7.0 -
5 Teo Torriatte 73 94 75 +19 7.0 -
6 Pretty In Pearls 72 56 70 -14 10.0 -
7 Azucar 56 53 56 -3 10.0 -
99 Summerland - 45 76 -31 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