Official NHA Assessment

Race 4: #YOUCANBETONUS! FM 64 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Sweet Julia
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
6 / 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    Piton De Neige       4    54.0    1    0.00     2.0   52    49           52    +0
2    Sweet Julia          2    61.5    2    0.75     0.5   67    67           67    +0
3    Smashing             4    63.0    3    1.75     2.0   70    67           67    -3
3    Full Of Magic        4    51.5    3    1.75     2.0   52    44           44    -8
5    Swiss Paradise       3    58.5    5    2.00     1.5   61    59           59    -2
6    Jet Set Run          2    56.5    6    3.00     0.5   72    57           62    -10
7    String Of Lights     4    57.5    7    4.25     2.0   67    56           57    -10
8    Spoil Yourself       2    59.0    8    4.75     0.5   71    62           62    -9
9    Komesans Passion     4    56.0    9    4.80     2.0   56    53           53    -3
10   Pink Moon            4    58.0    10   6.80     2.0   60    57           57    -3
11   Miss Prior           3    61.5    11   11.55    1.5   68    65           65    -3
99   Choc' Late           3    57.0    99   0.00     1.5   -     56           56    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Piton De Neige 52 57 52 +5 2.0 -
2 Sweet Julia Line 67 73 67 +6 0.5
3 Smashing 70 78 67 +11 2.0 -
3 Full Of Magic 52 52 44 +8 2.0 -
5 Swiss Paradise 61 60 59 +1 1.5 -
6 Jet Set Run 72 80 62 +18 0.5 -
7 String Of Lights 67 66 57 +9 2.0 -
8 Spoil Yourself 71 73 62 +11 0.5 -
9 Komesans Passion 56 52 53 -1 2.0 -
10 Pink Moon 60 54 57 -3 2.0 -
11 Miss Prior 68 61 65 -4 1.5 -
99 Choc' Late - 56 56 ✓ Match 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