Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING TUESDAY 11 NOVEMBER MR 68 HANDICAP (Open)

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Line Horse
Majalun
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 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    Oklahoma Twister     4    58.0    1    0.00     4.0   64    70           64    +0
2    Vava Vegas           5    55.0    2    1.25     0.0   58    76           76    +18
3    Majalun              3    59.5    3    4.35     7.0   67    67           67    +0
4    Gamer                4    59.0    4    8.15     4.0   66    72           72    +6
5    Commander Of All     2    53.5    5    8.55     0.0   55    69           69    +14
6    Madame Pompadour     2    56.5    6    9.75     0.0   61    75           75    +14
7    Sunshine Day         4    60.5    7    10.00    4.0   69    75           75    +6
8    Blurred Vision       3    57.5    8    11.20    7.0   63    63           63    +0
9    Sheets And Goggles   3    60.0    9    13.50    7.0   68    68           68    +0
99   Lapis Lazuli         3    61.5    99   0.00     7.0   -     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 Oklahoma Twister 64 71 64 +7 4.0 -
2 Vava Vegas 58 58 76 -18 0.0 -
3 Majalun Line 67 56 67 -11 7.0
4 Gamer 66 65 72 -7 4.0 -
5 Commander Of All 55 56 69 -13 0.0 -
6 Madame Pompadour 61 56 75 -19 0.0 -
7 Sunshine Day 69 69 75 -6 4.0 -
8 Blurred Vision 63 56 63 -7 7.0 -
9 Sheets And Goggles 68 63 68 -5 7.0 -
99 Lapis Lazuli - 59 71 -12 7.0 -
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