Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Polar World
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 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    La Folie Douce       3    61.0    1    0.00     2.5   86    82           86    +0
2    Polar World          3    57.0    2    0.75     2.5   78    78           78    +0
3    Going Up             3    60.5    3    0.80     2.5   85    85           85    +0
4    Seeking Peace        3    57.0    4    2.05     2.5   78    77           77    -1
5    Apollo Moon          3    54.0    5    2.55     2.5   71    70           70    -1
6    Jet For Time         3    56.5    6    4.55     2.5   77    73           73    -4
7    Hammie's Fan         7    52.0    7    5.55     0.0   56    69           69    +13
8    Safe To Assume (AUS  4    54.5    8    7.80     1.5   67    71           71    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 La Folie Douce 86 88 86 +2 2.5 -
2 Polar World Line 78 70 78 -8 2.5
3 Going Up 85 110 85 +25 2.5 -
4 Seeking Peace 78 55 77 -22 2.5 -
5 Apollo Moon 71 63 70 -7 2.5 -
6 Jet For Time 77 61 73 -12 2.5 -
7 Hammie's Fan 56 58 69 -11 0.0 -
8 Safe To Assume (AUS) 67 60 71 -11 1.5 -
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