Official NHA Assessment

Race 5: RACING240 FOR RACING. FOR YOU MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
The Merciful
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
8 / 9
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    Clear The Path       4    60.0    1    0.00     6.0   67    41           41    -26
2    The Merciful         5    60.0    2    1.50     0.0   58    58           58    +0
3    Mishrah              3    60.0    3    4.75     9.5   53    34           43    -10
4    Plum Blossom         3    56.5    4    17.25    9.5   57    27           47    -10
5    Splashlanding        2    56.0    5    18.25    0.0   68    45           58    -10
6    Heroic Act           3    56.0    6    21.75    9.5   65    26           55    -10
7    Sienna Rae           2    52.5    7    99.99    0.0   57    38           47    -10
99   Carry The Colours    4    57.5    99   0.00     6.0   -     36           36    +0
99   Storm Ahead          4    60.0    99   0.00     6.0   -     41           41    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Clear The Path 67 65 41 +24 6.0 -
2 The Merciful Line 58 54 58 -4 0.0
3 Mishrah 53 61 43 +18 9.5 -
4 Plum Blossom 57 53 47 +6 9.5 -
5 Splashlanding 68 65 58 +7 0.0 -
6 Heroic Act 65 65 55 +10 9.5 -
7 Sienna Rae 57 57 47 +10 0.0 -
99 Carry The Colours - - 36 -36 6.0 -
99 Storm Ahead - 80 41 +39 6.0 -
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