Official NHA Assessment

Race 1: 4RACING WELCOMES YOU WORK RIDERS MAIDEN PLATE (For all Maidens)

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Line Horse
Brigham
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
7 / 10
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    Art Nouveau          3    57.0    1    0.00     2.5   72    65           65    -7
2    Brigham              3    60.0    2    1.90     2.5   74    74           74    +0
3    Follow The Master    3    60.0    3    8.40     2.5   66    71           71    +5
4    Royal Miracle        3    60.0    4    8.65     2.5   70    71           71    +1
5    Alakanani            4    60.0    5    10.75    1.0   59    74           74    +15
6    King Bluetooth       2    56.0    6    18.25    0.0   -     68           68    +68
7    Fly To Me            3    57.0    7    29.50    2.5   47    65           65    +18
8    Red Sea Hills        3    60.0    8    99.99    2.5   -     71           71    +71
99   Blue Quartz          4    57.0    99   0.00     1.0   -     68           68    +0
99   Euphrates            3    60.0    99   0.00     2.5   -     71           71    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Art Nouveau 72 80 65 +15 2.5 -
2 Brigham Line 74 74 74 ✓ Match 2.5
3 Follow The Master 66 82 71 +11 2.5 -
4 Royal Miracle 70 66 71 -5 2.5 -
5 Alakanani 59 59 74 -15 1.0 -
6 King Bluetooth - 53 68 -15 0.0 -
7 Fly To Me 47 47 65 -18 2.5 -
8 Red Sea Hills - 40 71 -31 2.5 -
99 Blue Quartz - 62 68 -6 1.0 -
99 Euphrates - 70 71 -1 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