Official NHA Assessment

Race 8: #YOUCANBETONUS! MR 66 HANDICAP (Open)

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Line Horse
Vava Vegas
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
3 / 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    Golden Aspen         6    57.5    1    0.00     0.0   61    57           61    +0
2    Vava Vegas           5    57.0    2    1.25     0.0   60    60           60    +0
3    Concordia            2    58.0    3    1.50     0.0   70    61           61    -9
4    Pretty Analia        5    60.5    4    4.00     0.0   67    64           64    -3
5    Eight Hats           2    58.5    5    4.25     0.0   71    60           61    -10
6    Zoombomber           2    57.0    6    7.50     0.0   60    56           56    -4
7    Michael Faraday      2    61.5    7    8.25     0.0   69    65           65    -4
8    Lava Fire            3    60.5    8    10.75    3.0   67    57           57    -10
9    Sail The Sky         4    56.5    9    13.25    2.0   64    51           54    -10
10   Duellona             2    56.0    10   32.75    0.0   58    54           54    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Golden Aspen 61 66 61 +5 0.0 -
2 Vava Vegas Line 60 58 60 -2 0.0
3 Concordia 70 69 61 +8 0.0 -
4 Pretty Analia 67 61 64 -3 0.0 -
5 Eight Hats 71 64 61 +3 0.0 -
6 Zoombomber 60 60 56 +4 0.0 -
7 Michael Faraday 69 68 65 +3 0.0 -
8 Lava Fire 67 69 57 +12 3.0 -
9 Sail The Sky 64 62 54 +8 2.0 -
10 Duellona 58 58 54 +4 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