Official NHA Assessment

Race 1: WELCOME TO NELSON MANDELA BAY OPEN MAIDEN (F & M) (For Maiden Fillies and Mares)

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Line Horse
Salagadoola
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
4 / 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    Red Lhasa            2    54.5    1    0.00     0.0   62    58           58    -4
2    Salagadoola          2    56.5    2    1.00     0.0   66    66           66    +0
3    Lady Limoncello      4    58.0    3    1.10     0.5   65    68           68    +3
4    Alakazam             2    56.0    4    2.35     0.0   65    63           63    -2
5    Lovely Dancer        3    53.0    5    3.35     1.5   59    53           53    -6
6    Jazz Away            2    54.0    6    5.10     0.0   64    57           57    -7
7    World Of Diamonds    2    56.0    7    5.15     0.0   65    61           61    -4
8    Good Company         3    57.0    8    5.40     1.5   -     60           60    +60
9    Mme Huntress         3    51.5    9    6.65     1.5   61    49           51    -10
10   Ginger Rood          3    51.5    10   25.40    1.5   53    49           49    -4
99   Mediterraneanflame   3    53.5    99   0.00     1.5   -     53           53    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Lhasa 62 62 58 +4 0.0 -
2 Salagadoola Line 66 64 66 -2 0.0
3 Lady Limoncello 65 65 68 -3 0.5 -
4 Alakazam 65 66 63 +3 0.0 -
5 Lovely Dancer 59 59 53 +6 1.5 -
6 Jazz Away 64 64 57 +7 0.0 -
7 World Of Diamonds 65 65 61 +4 0.0 -
8 Good Company - 50 60 -10 1.5 -
9 Mme Huntress 61 59 51 +8 1.5 -
10 Ginger Rood 53 53 49 +4 1.5 -
99 Mediterraneanflame - 58 53 +5 1.5 -
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