Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING TUESDAY 12 MARCH MR 66 HANDICAP (Open)

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Line Horse
Joyous Jubilee (AUS)
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
7 / 14
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    Georgie George       3    56.5    1    0.00     3.5   59    57           59    +0
2    Ferrando             3    60.0    2    0.50     3.5   66    64           64    -2
3    Joyous Jubilee (AUS  2    56.5    3    1.75     2.5   59    59           59    +0
4    Bennelong Point      2    58.0    4    2.00     2.5   62    62           62    +0
5    Jackson Misissippi   6    50.5    5    2.75     0.0   48    52           52    +4
6    Arturo               2    55.5    6    3.25     2.5   62    57           57    -5
7    War Launch           2    57.0    7    4.25     2.5   65    60           60    -5
8    Mr Bodacious         2    60.5    8    5.00     2.5   67    67           67    +0
9    Father's Frost       7    59.0    9    11.25    0.0   67    69           69    +2
10   Absolu Noir          8    52.0    10   11.30    0.0   47    55           55    +8
11   Jaquar Cat           3    52.5    11   12.55    3.5   48    49           49    +1
12   Cool Runnings        4    58.0    12   12.60    4.0   62    59           59    -3
99   Russian Empire       5    58.5    99   0.00     0.0   -     68           68    +0
99   Warm Winter Nite     2    60.5    99   0.00     2.5   -     67           67    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Georgie George 59 63 59 +4 3.5 -
2 Ferrando 66 74 64 +10 3.5 -
3 Joyous Jubilee (AUS) Line 59 61 59 +2 2.5
4 Bennelong Point 62 58 62 -4 2.5 -
5 Jackson Misissippi 48 58 52 +6 0.0 -
6 Arturo 62 76 57 +19 2.5 -
7 War Launch 65 50 60 -10 2.5 -
8 Mr Bodacious 67 65 67 -2 2.5 -
9 Father's Frost 67 62 69 -7 0.0 -
10 Absolu Noir 47 50 55 -5 0.0 -
11 Jaquar Cat 48 46 49 -3 3.5 -
12 Cool Runnings 62 60 59 +1 4.0 -
99 Russian Empire - 53 68 -15 0.0 -
99 Warm Winter Nite - 92 67 +25 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