Official NHA Assessment

Race 7: KAS & DEVI GOVENDER MEMORIAL - GPS PLASTICS FM 69 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Birdwatcher
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
1 / 14
Within 2 points
Significant Diffs
6 / 14
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    Fabulous             2    56.5    1    0.00     0.0   79    57           79    +0
2    Quanabi              2    57.0    2    0.30     0.0   77    63           67    -10
3    Birdwatcher          5    55.5    3    0.55     0.0   60    60           60    +0
4    Leopard Lady         4    53.0    4    0.60     4.5   55    46           46    -9
5    Boogie Shoes         4    57.5    5    0.90     4.5   64    54           54    -10
6    Puff Of Smoke        3    54.5    6    1.40     7.0   64    42           54    -10
7    Reefway              2    59.0    7    1.65     0.0   81    65           71    -10
8    Family Favourite     3    58.5    8    2.70     7.0   67    49           57    -10
9    Miss Gibson          3    56.5    9    4.50     7.0   63    43           53    -10
10   Danse Milord         3    61.0    10   6.10     7.0   72    52           62    -10
11   Spirit Of Dacha      4    56.5    11   6.50     4.5   62    48           52    -10
12   Fateful Mistress     5    52.0    12   7.80     0.0   53    48           48    -5
13   Hey Gorgeous         4    54.0    13   9.40     4.5   57    43           47    -10
14   Kitten's Adventure   3    57.0    14   13.60    7.0   64    44           54    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Fabulous 79 76 79 -3 0.0 -
2 Quanabi 77 70 67 +3 0.0 -
3 Birdwatcher Line 60 53 60 -7 0.0
4 Leopard Lady 55 55 46 +9 4.5 -
5 Boogie Shoes 64 72 54 +18 4.5 -
6 Puff Of Smoke 64 51 54 -3 7.0 -
7 Reefway 81 84 71 +13 0.0 -
8 Family Favourite 67 69 57 +12 7.0 -
9 Miss Gibson 63 56 53 +3 7.0 -
10 Danse Milord 72 94 62 +32 7.0 -
11 Spirit Of Dacha 62 53 52 +1 4.5 -
12 Fateful Mistress 53 51 48 +3 0.0 -
13 Hey Gorgeous 57 52 47 +5 4.5 -
14 Kitten's Adventure 64 58 54 +4 7.0 -
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