Official NHA Assessment

Race 1: WORLD SPORTS BETTING WELCOMES YOU WORK RIDERS MAIDEN PLATE (For Maidens)

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Line Horse
V V Power
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 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    A Kings Return       3    60.0    1    0.00     2.5   55    65           61    +6
2    V V Power            3    60.0    2    1.25     2.5   65    65           65    +0
3    Klaserie             3    57.5    3    4.25     2.5   58    60           60    +2
4    Magenta              4    57.5    4    5.25     0.0   35    65           65    +30
5    Antonia Augusta      2    54.5    5    7.50     1.5   -     56           56    +56
6    Act Of Thunder       4    60.0    6    8.00     0.0   58    70           70    +12
7    Back To Formentera   3    57.5    7    10.00    2.5   55    60           60    +5
8    Jack's Jamboree      3    60.0    8    12.25    2.5   59    65           65    +6
9    Meeen Streak         4    60.0    9    17.50    0.0   10    70           70    +60
99   Bold Leah            4    57.5    99   0.00     0.0   -     65           65    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 A Kings Return 55 64 61 +3 2.5 -
2 V V Power Line 65 39 65 -26 2.5
3 Klaserie 58 57 60 -3 2.5 -
4 Magenta 35 59 65 -6 0.0 -
5 Antonia Augusta - 57 56 +1 1.5 -
6 Act Of Thunder 58 55 70 -15 0.0 -
7 Back To Formentera 55 60 60 ✓ Match 2.5 -
8 Jack's Jamboree 59 55 65 -10 2.5 -
9 Meeen Streak 10 10 70 -60 0.0 -
99 Bold Leah - 40 65 -25 0.0 -
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