Official NHA Assessment

Race 7: BETONTAB.CO.ZA WORK RIDERS MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Wonderworld
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 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    Mambo Come Tesio     3    60.0    1    0.00     3.5   -     59           6     +6
2    Wonderworld          2    60.0    2    1.80     0.0   69    69           69    +0
3    Time To Meditate     2    60.0    3    1.90     0.0   66    69           69    +3
4    Manz Knight          6    60.0    4    2.25     0.0   57    69           69    +12
5    Desert Fox           3    60.0    5    3.50     3.5   73    60           63    -10
6    Turnthebeataround    3    57.0    6    4.50     3.5   77    53           67    -10
7    Harold The Duke      3    60.0    7    5.25     3.5   59    59           59    +0
8    All Black Captain    3    60.0    8    13.50    3.5   38    59           59    +21
9    Ngokushesha          3    60.0    9    13.75    3.5   69    59           59    -10
10   Volte Face           3    60.0    10   31.00    3.5   55    59           59    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mambo Come Tesio - 80 6 +74 3.5 -
2 Wonderworld Line 69 64 69 -5 0.0
3 Time To Meditate 66 66 69 -3 0.0 -
4 Manz Knight 57 60 69 -9 0.0 -
5 Desert Fox 73 57 63 -6 3.5 -
6 Turnthebeataround 77 64 67 -3 3.5 -
7 Harold The Duke 59 86 59 +27 3.5 -
8 All Black Captain 38 55 59 -4 3.5 -
9 Ngokushesha 69 69 59 +10 3.5 -
10 Volte Face 55 66 59 +7 3.5 -
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