Official NHA Assessment

Race 4: RACEHORSE OWNERS ASSOCIATION MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Free Movement
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
7 / 11
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    Free Movement        3    60.0    1    0.00     1.0   76    76           76    +0
2    Rossore Finale       2    56.5    2    0.75     0.0   -     75           75    +75
3    Scarlett Pimpernel   2    56.0    3    3.75     0.0   -     71           71    +71
4    Captain Wara         2    56.0    4    3.80     0.0   -     71           71    +71
5    Gimme A Diamond      2    60.0    5    8.00     0.0   77    78           78    +1
6    Kanimambo            5    60.0    6    8.25     0.0   62    78           78    +16
7    Lions Eye            2    56.0    7    12.00    0.0   -     70           70    +70
8    Saka Gold            3    60.0    8    28.00    1.0   60    76           76    +16
9    Godspeed             2    53.0    9    29.00    0.0   -     64           64    +64
99   Turbo Power          3    60.0    99   0.00     1.0   -     76           76    +0
99   Mohave Man           2    56.0    99   0.00     0.0   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Free Movement Line 76 81 76 +5 1.0
2 Rossore Finale - 76 75 +1 0.0 -
3 Scarlett Pimpernel - 90 71 +19 0.0 -
4 Captain Wara - 90 71 +19 0.0 -
5 Gimme A Diamond 77 54 78 -24 0.0 -
6 Kanimambo 62 59 78 -19 0.0 -
7 Lions Eye - 68 70 -2 0.0 -
8 Saka Gold 60 60 76 -16 1.0 -
9 Godspeed - 60 64 -4 0.0 -
99 Turbo Power - 83 76 +7 1.0 -
99 Mohave Man - 60 70 -10 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