Official NHA Assessment

Race 9: NEXT VAAL RACEMEETING THURSDAY 31 AUGUST FM 72 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
In The Ether
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    Mia Regina           2    55.0    1    0.00     7.0   62    48           62    +0
2    Red Carpet Girl      3    52.5    2    0.10     10.5  57    36           47    -10
3    Smelting             7    49.5    3    0.20     0.0   50    51           51    +1
4    In The Ether         6    56.0    4    0.80     0.0   64    64           64    +0
5    Fennec Fox           5    59.5    5    1.10     0.0   71    71           71    +0
6    Happy Analia         4    56.0    6    1.15     12.0  78    40           68    -10
7    Samoa                10   61.0    7    1.25     0.0   74    74           74    +0
8    Glitterfox           2    54.5    8    6.00     7.0   60    47           50    -10
9    Inventrix            2    58.5    9    6.75     7.0   69    55           59    -10
10   Insatiable           3    58.5    10   7.25     10.5  69    48           59    -10
11   Camerata             2    52.0    11   10.50    7.0   51    42           42    -9
12   Clean Living         2    58.0    12   14.00    7.0   68    54           58    -10
99   Rock On Captain      3    52.0    99   0.00     10.5  -     35           35    +0
99   World Heritage       2    56.5    99   0.00     7.0   -     51           51    +0
99   Mandalay             3    52.0    99   0.00     10.5  -     35           35    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mia Regina 62 63 62 +1 7.0 -
2 Red Carpet Girl 57 55 47 +8 10.5 -
3 Smelting 50 52 51 +1 0.0 -
4 In The Ether Line 64 63 64 -1 0.0
5 Fennec Fox 71 64 71 -7 0.0 -
6 Happy Analia 78 78 68 +10 12.0 -
7 Samoa 74 64 74 -10 0.0 -
8 Glitterfox 60 57 50 +7 7.0 -
9 Inventrix 69 73 59 +14 7.0 -
10 Insatiable 69 62 59 +3 10.5 -
11 Camerata 51 49 42 +7 7.0 -
12 Clean Living 68 61 58 +3 7.0 -
99 Rock On Captain - 57 35 +22 10.5 -
99 World Heritage - 55 51 +4 7.0 -
99 Mandalay - 53 35 +18 10.5 -
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