Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 12 JANUARY CLASSIFIED STAKES (For horses with nett rating of 75 and below)

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Line Horse
Laetitia's Angel
Reference for assessment
Exact Matches
0 / 15
Calculated = Official
Close Matches
3 / 15
Within 2 points
Significant Diffs
9 / 15
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    Lollapalooza         3    56.5    1    0.00     5.0   68    71           71    +3
2    Laetitia's Angel     4    56.5    2    1.25     6.0   69    69           69    +0
3    Back To Basics       3    54.0    3    1.75     5.0   62    66           66    +4
4    Speechmaker          5    52.5    4    2.00     0.0   63    73           73    +10
5    Stormy Seas          4    58.0    5    2.25     6.0   71    72           72    +1
6    Coming In Hot        3    58.0    6    2.50     5.0   71    74           74    +3
7    Fog Bank             2    60.0    7    3.50     3.5   80    81           81    +1
8    Great Times          3    56.0    8    5.25     5.0   66    70           70    +4
9    Cool Winter          2    56.0    9    5.75     3.5   80    73           73    -7
10   Treaty               2    48.0    10   6.00     3.5   66    57           57    -9
11   Ready To Fly         2    56.5    11   8.00     3.5   78    74           74    -4
12   Lord Grantham        7    56.0    12   11.00    0.0   64    80           80    +16
99   Tara Iti             4    52.0    99   0.00     6.0   -     60           60    +0
99   English Primrose     3    50.5    99   0.00     5.0   -     59           59    +0
99   Big City Girl        4    50.5    99   0.00     6.0   -     57           57    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Lollapalooza 68 74 71 +3 5.0 -
2 Laetitia's Angel Line 69 77 69 +8 6.0
3 Back To Basics 62 72 66 +6 5.0 -
4 Speechmaker 63 61 73 -12 0.0 -
5 Stormy Seas 71 77 72 +5 6.0 -
6 Coming In Hot 71 76 74 +2 5.0 -
7 Fog Bank 80 75 81 -6 3.5 -
8 Great Times 66 54 70 -16 5.0 -
9 Cool Winter 80 78 73 +5 3.5 -
10 Treaty 66 48 57 -9 3.5 -
11 Ready To Fly 78 62 74 -12 3.5 -
12 Lord Grantham 64 61 80 -19 0.0 -
99 Tara Iti - 52 60 -8 6.0 -
99 English Primrose - 58 59 -1 5.0 -
99 Big City Girl - 59 57 +2 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