Official NHA Assessment

Race 9: NEXT VAAL RACEMEETING TUESDAY 14 FEBRUARY CLASSIFIED STAKES (For horses with nett rating of 75 and below)

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Line Horse
Beaded Gown
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
8 / 13
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    Captain Dizzy        4    58.0    1    0.00     5.0   69    71           71    +2
2    Beaded Gown          3    54.5    2    1.40     4.5   65    65           65    +0
3    What A Tiger         5    50.0    3    1.75     0.0   65    65           65    +0
4    Covert Operator      6    58.0    4    3.75     0.0   68    81           81    +13
5    Love Bite            3    56.5    5    7.25     4.5   70    69           69    -1
6    Splendid Season      2    58.5    6    7.30     3.0   79    76           76    -3
7    Grecia               3    50.5    7    10.50    4.5   50    57           57    +7
8    Giancarlo            2    52.0    8    11.50    3.0   51    63           63    +12
9    Life Goes On         7    58.0    9    12.25    0.0   68    81           81    +13
10   Civil Princess (ARG  3    58.5    10   12.75    4.5   81    73           73    -8
99   Corvette Captain     5    60.0    99   0.00     0.0   -     85           85    +0
99   Rose Velvet          2    56.5    99   0.00     3.0   -     72           72    +0
99   Laetitia's Angel     4    56.5    99   0.00     5.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Captain Dizzy 69 96 71 +25 5.0 -
2 Beaded Gown Line 65 58 65 -7 4.5
3 What A Tiger 65 71 65 +6 0.0 -
4 Covert Operator 68 77 81 -4 0.0 -
5 Love Bite 70 65 69 -4 4.5 -
6 Splendid Season 79 50 76 -26 3.0 -
7 Grecia 50 53 57 -4 4.5 -
8 Giancarlo 51 45 63 -18 3.0 -
9 Life Goes On 68 54 81 -27 0.0 -
10 Civil Princess (ARG) 81 72 73 -1 4.5 -
99 Corvette Captain - 75 85 -10 0.0 -
99 Rose Velvet - 73 72 +1 3.0 -
99 Laetitia's Angel - 77 68 +9 5.0 -
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