Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 7 JULY CLASSIFIED STAKES (For horses with nett rating of 71 and below)

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Line Horse
Great Melody
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    Pashtunwali          6    60.0    1    0.00     0.0   69    74           74    +5
2    Russian Empire       5    60.0    2    1.00     0.0   70    74           74    +4
3    Joyous Jubilee (AUS  2    54.0    3    1.25     0.5   58    61           61    +3
4    Great Melody         3    60.0    4    2.50     1.5   71    71           71    +0
5    Ready To Fly         2    58.5    5    2.75     0.5   70    70           70    +0
6    Picture The Moment   4    54.5    6    2.85     2.0   58    59           59    +1
7    Phantomoftheforest   3    58.0    7    4.85     1.5   64    67           67    +3
8    Absolu Noir          8    54.0    8    5.35     0.0   56    62           62    +6
9    Mother Of Pearl      3    58.5    9    7.10     1.5   70    68           68    -2
10   Yaya Maria           2    56.5    10   8.10     0.5   66    66           66    +0
11   Siberian Fox         2    58.0    11   12.60    0.5   65    69           69    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pashtunwali 69 58 74 -16 0.0 -
2 Russian Empire 70 53 74 -21 0.0 -
3 Joyous Jubilee (AUS) 58 61 61 ✓ Match 0.5 -
4 Great Melody Line 71 79 71 +8 1.5
5 Ready To Fly 70 62 70 -8 0.5 -
6 Picture The Moment 58 50 59 -9 2.0 -
7 Phantomoftheforest 64 50 67 -17 1.5 -
8 Absolu Noir 56 50 62 -12 0.0 -
9 Mother Of Pearl 70 63 68 -5 1.5 -
10 Yaya Maria 66 60 66 -6 0.5 -
11 Siberian Fox 65 62 69 -7 0.5 -
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