Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 5 APRIL MR 65 HANDICAP (Open)

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Line Horse
Wind Sock
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
8 / 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    Joyous Jubilee (AUS  2    57.0    1    0.00     0.0   59    67           59    +0
2    Duke Of Orange       3    54.5    2    0.50     2.5   54    62           62    +8
3    Wind Sock            3    56.0    3    0.55     2.5   65    65           65    +0
4    Si Gioca             2    59.5    4    1.80     0.0   70    75           75    +5
5    Bennelong Point      2    58.0    5    3.05     0.0   61    71           71    +10
6    Absolu Noir          8    52.0    6    3.15     0.0   47    59           59    +12
7    Legal Chitchat       3    57.5    7    5.40     2.5   60    63           63    +3
8    Prince Of Denmark    4    58.5    8    7.65     1.5   71    67           67    -4
9    War Launch           2    54.0    9    9.90     0.0   62    61           61    -1
99   Father's Frost       7    58.5    99   0.00     0.0   -     70           70    +0
99   Lady Chatterley      2    57.5    99   0.00     0.0   -     68           68    +0
99   Georgie George       3    59.0    99   0.00     2.5   -     66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Joyous Jubilee (AUS) 59 61 59 +2 0.0 -
2 Duke Of Orange 54 53 62 -9 2.5 -
3 Wind Sock Line 65 68 65 +3 2.5
4 Si Gioca 70 62 75 -13 0.0 -
5 Bennelong Point 61 58 71 -13 0.0 -
6 Absolu Noir 47 50 59 -9 0.0 -
7 Legal Chitchat 60 51 63 -12 2.5 -
8 Prince Of Denmark 71 51 67 -16 1.5 -
9 War Launch 62 50 61 -11 0.0 -
99 Father's Frost - 62 70 -8 0.0 -
99 Lady Chatterley - 64 68 -4 0.0 -
99 Georgie George - 63 66 -3 2.5 -
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